Instruction/ maintenance manual of the product ICX 6650 Brocade Communications Systems
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53-1 002603-0 1 28 Sept ember 20 12 ® Brocade ICX 6650 La y er 3 Routing Conf iguration Guide Suppor ting F astIron So f tware R elease 0 7 .5.00.
Copyright © 20 12 Brocade Communicatio ns Systems, Inc. All Rights Reser ved. Brocade, Brocade Assurance, the B-wi ng symbol, BigIron, DCX, Fabric OS, FastIron, MLX, NetIron, SAN Health, Ser verIron,.
Brocade ICX 6650 Layer 3 Routing Configuration Guide iii 53-1002603-01 Contents About This Document Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Suppor ted har dware and software . . . . .
iv Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP paramet ers – Lay er 3 Switches . . . . . . . . . . . . . . . . . 19 Configuring IP addresses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Configuring 3 1-bit subnet masks on point-to-point netw orks .
Brocade ICX 6650 Layer 3 Routing Configuration Guide v 53-1002603-01 Chapter 2 Base Layer 3 and Routing Protocols Adding a static IP route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Adding a static ARP entr y . . . . . .
vi Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIPng timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159 Updating RIPng timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brocade ICX 6650 Layer 3 Routing Configuration Guide vii 53-1002603-01 Configuring default r oute origination . . . . . . . . . . . . . . . . . . . .205 Modifying SPF timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206 Modifying the redistribution metric ty pe .
viii Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring the OSPF V3 LS A pacing interval . . . . . . . . . . . . . 2 45 Modifying exit o verflow interval . . . . . . . . . . . . . . . . . . . . . . . . . 2 45 Modifying ext ernal link state database limit .
Brocade ICX 6650 Layer 3 Routing Configuration Guide ix 53-1002603-01 Adv er tising the default rout e . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10 Changing the default MED (Metric) used for rout e redistribution . . . . . . . . . . . . .
x Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 inf ormation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 361 Displaying summary BGP4 infor mation . . . . . . . . . . . . . . . . . . 36 1 Displaying the activ e BGP4 configuration .
Brocade ICX 6650 Layer 3 Routing Configuration Guide xi 53-1002603-01 Comparison of VRRP and VRRP-E . . . . . . . . . . . . . . . . . . . . . . . . . . 420 VRRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xii Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01.
xi About This Document The Brocade ICX 6650 is a ToR (Top of Rack) Ethern et switch for campus LAN and classic Ethernet data center environments. Audience This document is designed f or system administ rators with a working kno wledge of Lay er 2 and Lay er 3 switching an d routing.
xii Brocade ICX 6650 slot and port numbering • Slot 2 is located on the back of the Brocade I CX 6650 device and contains ports 1 through 3 on the t op row and port 4 on the bottom r ow . These por ts are 2x40 GbE QSFP+. Refer t o the follo win g figure.
Brocade ICX 6650 Layer 3 Routing Configuration Guide xiii 53-1002603-01 Brocade ICX 6650 slot and port numbering Document conventions This section describes te xt formatting con venti ons and important notice formats u sed in this document.
xiv Brocade ICX 6650 slot and port numbering ATTENTION An Att ention statement indicates po tential damage to har dware or data. CAUTION A Caution stat ement aler ts y ou to situations that can be potentially hazardous t o you or cause damage to har dware, firmware, sof tware, or data.
Brocade ICX 6650 Layer 3 Routing Configuration Guide xv 53-1002603-01 Brocade ICX 6650 slot and port numbering • Brocade ICX 665 0 Diagnostic Ref erence • Unified IP MIB Reference • Por ts-on-Demand Li censing for the Brocade ICX 6650 The latest v ersions of these guides are post ed at http://www .
xvi Brocade ICX 6650 slot and port numbering Document feedback Quality is our first concern at Brocade and we ha ve made ev er y ef fort to ensure the accuracy and complet eness of this document. How ever , if you find an error or an omission, or you think that a topic need s fur ther deve lopment, we want t o hear fr om you.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 1 53-1002603-01 Chapter 1 IP Configuration Ta b l e 1 lists the IP features B rocade ICX 6650 de vi ces suppor t. These f eatures are suppor ted with the full Lay er 3 sof tware image, e xcept where e xplicitly noted.
2 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP configuratio n NOTE The terms L ayer 3 Switch and route r are used inte r changeably in this chapter and mean the same.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 3 53-1002603-01 IP configuration overview • Route e xchange prot ocol s: - Routing Inf ormation Prot ocol (RIP) - Open Shor test Path Fir st (OSP.
4 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview Y ou can use any of the IP addresses you configure on the Layer 3 Switch for T elnet, or SNMP access. Layer 2 Switches Y ou can conf igure an IP address on a Brocade Lay er 2 Switch for management access to the La yer 2 Switch.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 5 53-1002603-01 IP configuration overview IP packet flow through a Layer 3 Switch Figure 1 shows how an IP packet mo ves through a Br ocade Layer 3 Switch. FIGURE 1 IP Packet flow through a Brocade Layer 3 Switch Figure 1 s how s t he fol low in g p ac ket fl ow: 1.
6 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview 3. If the session table does no t contain an entr y that matches the packe t source address and T CP or UDP por t, the La yer 3 Switch looks in the IP forwarding cach e for an entry that matches the pack et destination IP address.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 7 53-1002603-01 IP configuration overview Static ARP table In addition t o the ARP cache, Layer 3 Switches ha ve a static ARP table.
8 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview The IP rout e table contains the best path to a destination: • When the sof tware receiv es paths from.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 9 53-1002603-01 IP configuration overview Each IP forward ing cache entr y contains the IP address of the destination , and the IP address and MA C address of the next-hop ro uter int er face to th e destination.
10 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IP configurati on overview IP multicast protocols Brocade Lay er 3 Sw itches also suppor t the f ollowing Internet Group Membershi.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 11 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Basic IP parameters and defaults – Layer 3 Switches IP is enabled by default.
12 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches TA B L E 2 IP global para meter s – Layer 3 Switc hes Parameter Description Default For more information IP state The Internet Prot ocol, ver sion 4 Enabled NOTE: Yo u c a n n o t disable IP .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 13 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Static ARP entries An ARP entry you place in the static ARP table.
14 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches Static RARP entries An IP address you place in the RARP tabl e for RARP requests fr om hosts. NO TE: Y ou must enter the RARP entr ies manually.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 15 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches IP interface parameters – Layer 3 Switches Ta b l e 3 lists the interface-lev el IP parameters f or Layer 3 Switches. Static r oute An IP rout e you place in the IP route table.
16 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 3 Switches DHCP gate way stamp The rout er can assist DHCP/BootP Disco ver y pack ets f.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 17 53-1002603-01 Basic IP parameters and defaults – Layer 2 Switches Basic IP parameters and defaults – Layer 2 Switches IP is enabled by default. The f ollowing tables list the La yer 2 Switch IP parameters, their default values, and where to find configuration information.
18 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic IP parameters and defaults – Layer 2 Switches Domain name for D o ma i n Name Server (DNS) resol ver A domain name (e xample: brocade.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 19 53-1002603-01 Configuring IP parameters – Layer 3 Switches Interface IP parameters – Layer 2 Switches Ta b l e 5 lists the interface-lev el IP parameters f or Layer 2 Switches. Configuring IP parameters – Layer 3 Switches The follo wing sections describe how t o configure IP parameters.
20 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade de vices suppor t both classical IP network masks (Class A, B, and C s ubne.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 21 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE All physical IP int er faces on Brocade La yer 3 de vices share the same MAC address.
22 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# vlan 2 name IP-Subnet_10.1.2.0/24 Brocade(config-vlan-2)# untag ethernet 1/1/1 to 1/1/4 Brocade(config-vlan-2)# router-interface ve1 Brocade(config-vlan-2)# interface ve1 Brocade(config-vif-1)# ip address 10.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 23 53-1002603-01 Configuring IP parameters – Layer 3 Switches For number , enter the ID of the vir tual routing int er face.
24 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Y ou can a lso enter the IP address and mask in the Classles s Inter -domain Routing (CIDR) format, as follows. Brocade(config-if-e10000-1/1/5)# ip address 10.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 25 53-1002603-01 Configuring IP parameters – Layer 3 Switches Displaying information for a 31-bit subnet mask Use the f ollowing commands to disp.
26 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 3 DNS resolution with one domain name Defining a domain name T o define a domain to reso lve host names, ent er the ip dns domain-name command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 27 53-1002603-01 Configuring IP parameters – Layer 3 Switches Defining a domain list If you w ant to use more than one domain name t o resolve host name s, you can creat e a list of domain names. For e xample, enter th e commands such as the follo wing.
28 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring packet parameters Y ou can configure the follo wing packet paramet ers on Layer 3 Switches . These parameters con trol how the La yer 3 Switch sends IP pack ets to o ther devices on an Ethernet netw ork.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 29 53-1002603-01 Configuring IP parameters – Layer 3 Switches The default MTU is 1500 byt es for Ethernet II packets and 1 492 for Ethernet SNAP packets.
30 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# jumbo Brocade(config)# write memory Brocade(config)# end Brocade# reload Syntax: [ no ] jumbo NOTE Y ou must save the configuration change and then reload the software t o enable jumbo suppor t.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 31 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the router ID In most co nfigurations, a Layer 3 Switch has multip le IP addresses, usually configure d on dif ferent interfaces.
32 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • T AC AC S / T AC AC S + • TFTP • RADIUS • Syslog • SNTP • SSH • SNM.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 33 53-1002603-01 Configuring IP parameters – Layer 3 Switches TACACS/TACACS+ packets T o specify the lowest-numbered IP address configur ed on a vir tual interface as the device source for all T ACA CS/T ACA CS+ packe ts, enter commands such as the f ollowing.
34 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Syslog packets T o specify the lowest-numbered IP address configur ed on a vir tual interface as the device source for all Sy slog pack ets, en ter commands such as the f ollowing.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 35 53-1002603-01 Configuring IP parameters – Layer 3 Switches The commands in this example configure loopback interface 2, assign IP address 1 0.0.0.2/2 4 to the interface, then designate the inter face as the sour ce for all SSH pack ets from the Layer 3 Switch.
36 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches For e xample, to f or ward a pack et wh ose destinatio n is multiple router hops a .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 37 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o prevent the CPU fr om becoming flooded by ARP pa ck ets in a busy network, you can restrict the number of ARP pack ets the device will accept each second.
38 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling proxy ARP Pro xy ARP allows a La yer 3 Switch to answ er ARP requests from devices on one network on behalf of devices in another network.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 39 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling local proxy ARP Brocade de vices suppor t Pr oxy A ddress Resolution Protocol ( Proxy ARP ), a f eature that enables rout er por ts to respond to ARP requests f or subnets it can reach.
40 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches The num parameter specifies the entry number . Y ou can specify a number from 1 up t o the maximum number o f static entrie s allo wed on the de vice.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 41 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the TTL threshold The time to live (TTL) threshold prev ents routing loops b y specifying the maximum numb er of router hops an IP pack et originated by the Layer 3 Swit ch can travel through.
42 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Strict source r outin g – requires the pack et to pass throug h only the listed rout ers.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 43 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou must save the configuration and reload the so f tware to place this configuration change int o effect.
44 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Source-r oute-failure – The device rece ived a source-ro uted packet but cannot locat e the next-hop IP address indicated in the packe t Source-Ro u te option.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 45 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o disable ICMP redirect messages globally , en t er the following command at the .
46 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Static IP route parameters When you configure a static IP r oute, yo u must specify the f ollowing parameters: • The IP address and netw ork mask for the route destination netw ork.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 47 53-1002603-01 Configuring IP parameters – Layer 3 Switches Static route states foll ow port states IP static routes remain in the IP route table only so long as the por t or vir tual interface used by the rout e is av ailable.
48 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Brocade(config)# ip route 192.168.2.71 255.255.255.0 ve 3 The comman d in the following example conf igures an I P static route that uses por t 1/1 /2 as its next hop.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 49 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring a “Null” route Y ou can configure the La yer 3 Switch t o drop IP pack ets to a specific netw ork or host address by configuring a “null” (sometim es called “null0”) static rout e for the ad dress.
50 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Back up Rout es – I f y o u c o n f ig u r e m u l ti p l e s t a ti c I P ro.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 51 53-1002603-01 Configuring IP parameters – Layer 3 Switches This feature is espe cially useful f or the follo w ing configurations.
52 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 5 Stan dard an d null st atic r outes to th e same destination networ k Figure 6 shows another example of tw o static routes.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 53 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 6 Stan dard and inter face routes t o the same des tination ne twork T o configure a standar d static IP rout e and a null rout e to the same netw ork as shown in Figure 5 on page 52, enter commands such as the f o llowing.
54 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring a default network route The La yer 3 Switch enables yo u to specify a candidat e default r oute without the need t o specify the next hop gat ewa y .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 55 53-1002603-01 Configuring IP parameters – Layer 3 Switches This ex ample shows two r outes. Bo th of the rout es are directly attached, as indicated in the T ype column. How ever , one of the rout es is shown as type “*D”, with an ast erisk (*).
56 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Routes learned thr oug h BGP4 Administrative di stance for each IP route The administrative distance is a unique value associated with each type (source) of IP r oute.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 57 53-1002603-01 Configuring IP parameters – Layer 3 Switches The source of a path cost value de pends on the sour ce of the path: • IP static rout e – The value y ou assign to the metric parameter when you configure the route.
58 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • If the IP load f orwarding cache does not c ont ain a forwarding entry for the .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 59 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou can configure IRDP parameters only an indi vidual por t basis. T o do s o, IRDP must be disabled globally and enab led onl y on individual por ts.
60 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Enabling IRDP on an individual port T o enable IRDP on an individual interface and change IRDP parame ters, enter command s such as the fo llowing.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 61 53-1002603-01 Configuring IP parameters – Layer 3 Switches Reverse Address Resolution Protocol configuration The R everse A ddress Resolution Pr otoc ol (RARP) pro vides a simple mechanism f or directly-attached IP hosts to boot o ver the netw ork.
62 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Syntax: [ no ] ip rarp T o re-enable RARP , enter the f ollowing command. Brocade(config)# ip rarp Creating static RARP entries Y ou must conf igure the RARP entries for the RAR P table.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 63 53-1002603-01 Configuring IP parameters – Layer 3 Switches Y ou can configure the Layer 3 Switch to f o rward clients‘ requests to UDP application ser vers. T o do so: • Enable forwarding suppor t f or the UDP applicatio n por t, if forwarding support is not already enabled.
64 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches NOTE Y ou also must configure a helper address on the in t er face that is connected t o the clients for the application. The Lay er 3 Switch cannot f or war d the requ ests unless you configure the helper address.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 65 53-1002603-01 Configuring IP parameters – Layer 3 Switches T o configure a helper address on an int er face 2 on chassis module 1, ent er the follo wing commands . Brocade(config)# interface ethernet 1/1/2 Brocade(config-if-e10000-1/1/2)# ip helper-address 1 192.
66 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Hop count – Each rout er that forwar ds a BootP/DHCP packet increments the hop count by 1.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 67 53-1002603-01 Configuring IP parameters – Layer 3 Switches Changing the maximum number of hops to a BootP relay server Each BootP or DHCP request includes a field Ho p Count field. The Hop Co unt field indicates how many routers the req uest has passed through.
68 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches In some environments, it may be necessar y t o rea ssign network addresses due to exhaustion of the av ailable address pool. In this case, the alloca tion mechanism reuses addre sses with expired leases.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 69 53-1002603-01 Configuring IP parameters – Layer 3 Switches A DHCP server assigns and manages IPv4 addresse s from multiple a ddress pools, using dynam ic address allocation.
70 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 7 DHCP Ser ver configuration flow char t Classify incoming message DHCP enab.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 71 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring DHCP Server on a device Perform the f ollowing st eps to configure the DHCP Server f eature on your de vice: 1. Enable DHCP Ser ver b y entering a command similar t o the follo wing.
72 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Ta b l e 9 describes the CLI commands that are av ailable in the DHCP Ser ver f eature.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 73 53-1002603-01 Configuring IP parameters – Layer 3 Switches show ip dhcp-se rver add ress-pool name Displays a spe cific address po ol or al l addres s pools. Ref e r to “Displa ying address-pool inf ormation” on page 78.
74 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Removing DHCP leases The clear ip dhcp-server binding command can be used to dele te a specific lease, or all le ase entries from the lease binding database.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 75 53-1002603-01 Configuring IP parameters – Layer 3 Switches Creating an address pool The ip dhcp-server pool co m m a n d p u t s you in p o o l c o n f i gu r a t i o n m o d e , a n d al l o w s yo u t o c r e a t e a n address pool.
76 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Deploying an address pool configuration to the server The deploy command sends an address pool co nfiguration to the DHCP server .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 77 53-1002603-01 Configuring IP parameters – Layer 3 Switches Configuring the NetBIOS server fo r DHCP clients The netbios-name-s erver command specifies the IP address of a Ne t BI OS WI NS se rv er or se rve rs that are av ailable to Microsoft DHCP clients.
78 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Displaying DHCP Server information The follo wi ng DHCP show commands c an be entered fr om any le vel of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 79 53-1002603-01 Configuring IP parameters – Layer 3 Switches lease: 0 0 30 netbios-name-server: 192.168.1.101 network: 192.168.1.0 255.255.255.0 next-bootstrap-server: 192.168.1.102 tftp-server: 192.
80 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches Ta b l e 1 2 describes this output .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 81 53-1002603-01 Configuring IP parameters – Layer 3 Switches • For a Layer 3 de vice, one leased address is grant ed (per device) t o the inter face that first receives a response fr om the DHCP ser ver .
82 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • Although the DHCP server may pr ovide multiple a ddresses, only one IP address is installed at a time. • This fe ature is not suppor ted t ogether with DHCP snooping.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 83 53-1002603-01 Configuring IP parameters – Layer 3 Switches FIGURE 9 The DHCP Client-Based Auto-Configuration s teps V alidate the IP address and lease negotiation 1. At boot -up, the device automatically chec ks its configuration for an IP address.
84 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches 3. If the de vice has a dynamic address, the device asks the DHCP ser ver to v alidate that address. If the server does not respo n d, the de vice will continue to use the e xisting address until the lease expir es.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 85 53-1002603-01 Configuring IP parameters – Layer 3 Switches 1. When the device reboots, or the Aut o-Confi guration f eature has been disabled .
86 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 3 Switches • When DHCP is disabled, and then re-enabled, or if the system is reboot ed, the TFTP process requires approximat ely three m inutes t o run in the background bef ore file images can be downloaded manually .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 87 53-1002603-01 Configuring IP parameters – Layer 3 Switches The follo wing example shows a La yer 2 de vice configuration as a result of the show run command. The follo wing example shows a La yer 3 de vice configuration as a result of the show run command.
88 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches 2d01h48m21s:I: DHCPC: existing ip address found, no further action needed by DHCPC .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 89 53-1002603-01 Configuring IP parameters – Layer 2 Switches T o specify the Lay er 2 Switch default gat ewa y , enter a command such as the f ollowing. Brocade(config)# ip default-gateway 192.168.
90 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches Syntax: tracerout e host-ip-add r [ ma xttl va lu e ] [ minttl valu e ] [ numer ic ] [ timeout value ] [ source-ip ip addr ] The only required paramet er is the IP address of the host at the other end of the rout e.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 91 53-1002603-01 Configuring IP parameters – Layer 2 Switches Brocade(config)# ip ttl 25 Brocade(config)# exit Syntax: ip ttl 1-255 DHCP Assist c.
92 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 1 1 DHCP requests in a network without DHCP Assist o n the Layer 2 Switch In.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 93 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 12 DHCP requests in a network with DHCP Assist operating on a FastIron Switch When the stamped DHCP discov er y packet is then receiv ed at the rout er , it is forwarded t o the DHCP ser ver .
94 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring IP parameters – Layer 2 Switches FIGURE 13 DHCP offer s are for warded back toward the requestor s NOTE When DHCP Assist is enabled on any po r t, La ye r 2 broadcast pack ets are forwar ded by the CPU.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 95 53-1002603-01 IPv4 point-to-point GRE tunnels Example T o create the configuration indicated in Figure 12 and Figure 13 , enter commands such as the following. Brocade(config)# dhcp-gateway-list 1 192.
96 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels FIGURE 1 4 GRE encapsulated packet structure Figure 15 shows the GRE header f ormat. FIGURE 1 5 GRE header f ormat The GRE header has the f ollowing fields: • Checksum – 1 bit.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 97 53-1002603-01 IPv4 point-to-point GRE tunnels RFC 4459 describes solutions f or issues with larg e packe ts over a tunnel.
98 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels unicast, it is permissible for multiple tunnel inter faces to use a single loo pback por t.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 99 53-1002603-01 IPv4 point-to-point GRE tunnels NOTE The abov e features are supported on VLANs that do not ha ve VE ports. • Whenev er multiple IP addresses are configured on a tunnel sour ce, the primar y address of the tunnel is alwa ys used for f orming the tunnel connections.
100 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Configuration tasks for GRE tunnels Brocade recommends that you per form the c onfiguration tasks in the order list ed in T able 13.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 101 53-1002603-01 IPv4 point-to-point GRE tunnels Creating a tunnel interface T o c reate a tunnel in terface, enter the followin g command at the Global CONF IG lev el of the CLI.
102 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Deleting an IP address from an inte rface configured as a tunnel source T o delete an IP address .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 103 53-1002603-01 IPv4 point-to-point GRE tunnels NOTE Before configuring a new GRE tunnel, the syst em shou ld ha ve at least one slot a vailable for adding the default tunnel MTU v alue to the syst em tables.
104 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Changing the MTU value for a tunnel interface For important conf iguration considerations regarding this feature, ref er to “GRE MTU configuration considerations” on page 99.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 105 53-1002603-01 IPv4 point-to-point GRE tunnels paths because the tunnel is alwa ys UP . T o av oid this scen ario, enable GRE link k e epalive, .
106 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels This command configur es the device t o wait for 20 minut es before resetting the path MTU to its original v alue. Syntax: [ no ] tunnel path-mtu-disco ver y age-timer minutes | in finite For minutes , ent er a value from 1 0 to 30.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 107 53-1002603-01 IPv4 point-to-point GRE tunnels Point-to-point GRE tunnel configuration example In the configuration example shown in Figure 1 6, a GRE T unnel is configured be tween device A and devic e B.
108 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade(config-tnif-1)# ip address 10.10.3.2/24 Brocade(config-tnif-1)# exit Brocade(config)# ip route 192.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 109 53-1002603-01 IPv4 point-to-point GRE tunnels ip arp-age: 10 minutes No Helper Addresses are configured No inbound ip access-list is set No outgoing ip access-list is set Syntax: show ip interface tunnel [ tun nel-ID ] The tunnel-ID variable is a valid tunn el number o r name.
110 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade# show ip tunnel traffic IP GRE Tunnels Tunnel Status Packet Received Packet Sent KA recv .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 111 53-1002603-01 IPv4 point-to-point GRE tunnels The follo wing shows an exam ple output of the show ip pim inter face command.
112 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 IPv4 point-to-point GRE tunnels Brocade# show statistics Port In Packets Out Packets In Errors Out Errors 1 0 1670 0 0 2 1668 7 0.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 113 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying IP configuration information and statistics The follo wing se.
114 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Syntax: show ip NOTE This command has additional options, which are expl ained in other sections in this guide, including the sections follo wing this one.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 115 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying CPU uti lization statistics Y o u can display CPU utilization statistics for IP pr otocols using the show process cpu command.
116 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the software has been running.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 117 53-1002603-01 Displaying IP configuratio n information and s tatistics When you specify ho w many seconds’ worth of statistics you want to displa y , the sof tware selects the sample that most closely matches the number of seconds you specified.
118 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics T o display detailed IP in formation f or a specific inter face, enter a command such as the following. Displaying ARP entries Y ou can display the ARP cache and the static ARP ta ble.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 119 53-1002603-01 Displaying IP configuratio n information and s tatistics NOTE The ip-mask paramet er and mask parameter perform dif ferent operations.
120 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the static ARP table T o display the static ARP table instead of the AR P cache, enter the f ollowing command at any CLI lev el .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 121 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the forwarding cache T o display the IP f or war ding cache, enter the f ollowing command at any CLI lev el.
122 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying the IP route table T o display the IP r oute table, ent er the show ip rout e command at any CLI le vel.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 123 53-1002603-01 Displaying IP configuratio n information and s tatistics The bgp option displays the BGP4 routes. The direct option displa ys only the IP rout es that are direct ly attached to the Layer 3 Switch.
124 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Example Syntax: show ip rout e summar y In this ex ample, the IP rout e table contains 35 en tries. Of these entries, 6 are directly co nnected devic es, 28 are static rout es, and 1 rout e was calculated thr ough OSPF .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 125 53-1002603-01 Displaying IP configuratio n information and s tatistics T o clear rout e 10 .1 5 7 .22.0/2 4 from the IP r outing table, enter the clear ip route co mmand. Brocade# clear ip route 10.
126 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics The show ip traf fic command displays the f oll owing inf ormatio n.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 127 53-1002603-01 Displaying IP configuratio n information and s tatistics received The number of UDP packets recei ved by the device. sent The number of UDP packe ts sent by the devi ce. no port The number of UDP packets dr opped becaus e they did not have a valid UDP por t number .
128 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying IP information – Layer 2 Switches Y ou can display the f ol.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 129 53-1002603-01 Displaying IP configuratio n information and s tatistics Displaying ARP entries T o display the entries the La yer 2 Switch has placed in its ARP cache, ent er the show arp command from an y level of the CLI.
130 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics Syntax: show ip traf fic The show ip traf fic command displays the f oll owing inf ormatio n.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 131 53-1002603-01 Displaying IP configuratio n information and s tatistics tot al The t otal number of ICMP mess ages sent or receiv ed by the de vice. errors This informati on is used by Brocade cust omer suppor t.
132 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying IP configuratio n information and s tatistics in segment s The numbe r of TCP segments received by the device. out segments The number of T CP segments sent by the device.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 133 53-1002603-01 Chapter 2 Base Layer 3 and Routing Protocols Ta b l e 2 6 lists the base Layer 3 features Br ocade IC X 6650 de vices suppor t. These f eatures are suppor ted in full L ayer 3 so f tware images, ex cept where explicitly no ted.
134 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Adding a static ARP entry The next-hop-ip-addr variable is the IP address o f the next hop rout er (gate way) f or the ro ute. The metric variable spec ifies the cost of the rout e and can be a number from 1 through 1 6.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 135 53-1002603-01 Modifying and displaying Layer 3 system parameter limits The Lay er 3 system parameter limits f or IPv6 mode ls are automatically adjusted b y the system and cannot be manually modif ied.
136 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring RIP Configuring RIP If you w ant the Brocade de vice to use Routing In formation Pr otocol (RIP), you m us t en ab le th e pro tocol globally , and then enable RIP on individual por ts.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 137 53-1002603-01 Configuring RIP NOTE The option to set the metric is not applicable t o static routes. 2. Enable redistribution. NOTE If you plan t o configure redist ributio n filters, do not enable redistribution until y ou hav e configured the filt ers.
138 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring RIP The follo wing commands deny redistribution of all r outes ex cept routes f or 1 0. 10. 10.x and 1 0.20.20.x. Brocade(config-rip-router)#deny redistribute 64 static address 255.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 139 53-1002603-01 Other Layer 3 protocols Other Layer 3 protocols For inf ormation abou t other IP configuration commands in the Lay er 2 with base Layer 3 image that are not included in this chapt er , refer t o Chapter 1, “IP Co nfiguration” .
140 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Enabling or disa bling Layer 2 switching Configuration notes and feature limitations for Layer 2 switching • Enabling or disabl ing Lay er 2 sw itching is suppor ted in the full Layer 3 sof tware image only .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 141 53-1002603-01 Chapter 3 RIP (IPv4) Ta b l e 27 lists the the Routing Inf ormation Pro tocol (RIP) f or IPv4 features Brocade ICX 6650 devic es suppor t . These f eatures are suppor ted in the full Lay er 3 sof tware image.
142 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameters and defaults Brocade Lay er 3 Switc hes suppor t the following RIP versions: • Ve r si o n ( V 1 ) • V1 compat.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 143 53-1002603-01 RIP parameters and defaults RIP interface parameters Ta b l e 2 9 lists the inter face-le vel RIP paramet ers and their default values, and indicat es where you can find configurat ion information.
144 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration RIP parameter configuration Use the follo wing procedures to configure RIP parameters on a system -wide and individual interface basis. Enabling RIP RIP is disabled b y default.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 145 53-1002603-01 RIP parameter configuration Y ou ca n change the amount that an individual por t adds to the metr ic of RIP r ou tes learned on the por t. T o do so, use the follo wing method. NOTE RI P c on s i de r s a rou te w it h a me t ri c o f 16 to b e u nr e a ch a b le .
146 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration Brocade(config-rip-router)#offset-list 21 in 10 ethernet 1/1/2 Changing the administrative distance By default, the La yer 3 Switch assigns the default RIP administrativ e distance (120) to RIP r outes.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 147 53-1002603-01 RIP parameter configuration NOTE The default redistribution actio n is permit, ev en af ter you configur e and apply redistribution filt ers to th e vi r t ua l ro ut in g i nte r fa c e.
148 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration NOTE This exam ple assumes that the highest RIP redistri butio n filter ID configured on the de vice is 64.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 149 53-1002603-01 RIP parameter configuration • Updat e inter val – The updat e inter val specifie s ho w of ten the La yer 3 Switch sends RIP rout e advertisem ents to its neighbors Y ou can change the in ter val to a va lu e f rom 1 th rou gh 1000 seconds.
150 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration The f ollowing commands configure the L ayer 3 Swit ch to learn ro u tes fr om all neighbors except 192.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 151 53-1002603-01 RIP parameter configuration T o disable split horizon and enable poison revers e on an interfac e, enter commands such as the following.
152 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 RIP parameter configuration Syntax: filter fi lt er -num permit | deny source-ip-address | any source -mask | any [ log ] Applying a RIP route f ilter to an interface Once you define RIP rout e filters, yo u must assign them to individual int er faces.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 153 53-1002603-01 Displaying RIP filters Displaying RIP filters T o display the RIP filters configured on the r outer , enter the show ip rip command at an y CLI level. Syntax: show ip rip Ta b l e 3 0 describes the information displa yed by the sho w ip rip command.
154 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying CPU utilizat ion statistics Displaying CPU utilization statistics Y o u can display CPU utilization statistics for RIP and o ther IP protocols.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 155 53-1002603-01 Displaying CPU util ization statistics When you specify ho w many seconds’ worth of statistics you want to displa y , the sof tware selects the sample that most closely matches the number of seconds y ou specified.
156 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying CPU utilizat ion statistics.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 157 53-1002603-01 Chapter 4 RIP (IPv6) Ta b l e 31 lists the Routing Inf ormation Pro tocol (RIP) f or IPv6 f eatures Brocade ICX 6650 devices suppor t. These f eatures are suppor ted with premium IPv6 devices running the full La yer 3 sof tware image .
158 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Summary of configuration tasks Summary of configuration tasks T o configure RIPng, you must enab le RIPng globally on the Br ocade device and on individual r outer interfaces.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 159 53-1002603-01 RIPng timers RIPng timers Ta b l e 3 2 describes the RIPng timers and pr ovides their defaults.
160 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route learning and ad vertising parameters Route learning and advertising parameters Y ou can configure the following lea rning a.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 161 53-1002603-01 Redistributing routes into RIPng Y ou must specify the ipv6-prefix parameter in he xadecimal using 16 -bit v alues between colons as document ed in RFC 23 73. Y ou must specify the prefix-length paramet er as a decimal value.
162 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Controlling distribution of routes through RIPng Brocade(config)# ipv6 router rip Brocade(config-ripng-router)# redistribute ospf.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 163 53-1002603-01 Clearing RIPng routes fr om the IPv6 route table Brocade(config)# ipv6 router rip Brocade(config-ripng-router)# poison-reverse Syntax: [ no ] poison-rev erse T o disable poison rev erse, use the no for m o f t h i s c om m a n d .
164 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying the RIPng configuration Displaying the RIPng configuration T o display RIPng configuration information, enter the sho w ipv6 rip command at any CLI level. Syntax: show ipv6 rip Ta b l e 3 3 describes the information displa yed by the sho w ipv6 rip command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 165 53-1002603-01 Displaying RIPng ro uting table Displaying RIPng routing table T o display the RIPng routing table, ent er the show ipv6 rip r oute command at an y CLI level.
166 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying RIPng ro uting table.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 167 53-1002603-01 Chapter 5 OSPF version 2 (IPv4) Ta b l e 3 5 lists the Open Shor test Path First (OSPF) V ersion 2 (IPv4) features Brocade ICX 6650 devic es suppor t. These feature s are suppor ted in the full La yer 3 sof tware image only .
168 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview This chapter describes how to configure OS PF Vers ion 2 on Broc ade Layer 3 Switches using the CLI. OSPF V ersion 2 is supported on device s running IPv4. NOTE The terms La yer 3 Switch and router are used int erchangeably in this chapt er and mean the same thing.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 169 53-1002603-01 OSPF overview An Aut onomous System Boundary Router (ASBR) is a rout er that is running multiple protocols and serves as a gate wa y to rout ers outside an area an d those operating with dif ferent pr otocols.
170 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview I n a n O SP F p o i n t -t o - po i nt ne t wo r k , w he re a d ir ec t La y e r 3 c o n n e c t i on ex i s t s .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 171 53-1002603-01 OSPF overview NOTE Priority is a configurable opt ion at the interface level. Y ou can use this parameter to help bias one rout er as the DR.
172 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview NOTE For de tails on how to configure the syst em to operat e with the RFC 2 1 78, refer t o “Modifying the OSPF standard compliance setting” o n p ag e 210 .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 173 53-1002603-01 OSPF overview FIGURE 20 AS Exte rnal LSA reduct ion Notice that both R outer D and Rout er E hav e a route t o the other routing domain thr ough Rout er F .
174 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF overview Algorithm for AS External LSA reduction Figure 20 shows an exam ple in which the normal AS Ex ternal LSA reductio n feature is in effect.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 175 53-1002603-01 OSPF overview When Appendix E is suppor ted, the router g enera tes the link stat e ID for a networ k as follows. 1. Does an LSA with the netw ork address as its ID already exist? • No – Use the netw ork address as the ID.
176 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF graceful restart Dynamic OSPF memory Brocade ICX 6650 devices dynamical ly allocate memo r y for Li nk State Adv er tisements (LSAs) and other OSPF data structures. This eliminat es over flow conditions and does not require a reload t o change OSPF memory allocation.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 177 53-1002603-01 Configuring OSPF Configuring OSPF Perform the f ollowing steps t o begin using OSPF on the r outer . 1. “Enabling OSPF on the r outer” on page 1 78 2. “ Assigning OSPF areas” on page 1 79 3.
178 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • Enable redistribution • Change the LSA pacing interval • Modify OSPF T raps generated • Modify databas.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 179 53-1002603-01 Configuring OSPF Brocade(config-ospf-router)#no router ospf router ospf mode now disabled.
180 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • NSSA – The ASBR of an NSSA can import ext ernal route inf ormation into the area: - ASBRs redistribute (im por t) external r o utes int o the NSSA as type 7 LSAs.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 181 53-1002603-01 Configuring OSPF NOTE This feature applies only when the Layer 3 Switch is configu red as an Area B order Rout e r (ABR) for the area. T o complet ely prevent summary LSAs fr om being sent to the area, d isable the summar y LSAs on each OSPF router th at is an ABR for the area.
182 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF FIGURE 2 1 OSPF networ k cont aining an N SSA This example shows tw o routing domains, a RIP do main and an OSPF domain . The ASBR inside the NSSA imports external r outes fr om RIP into th e NSSA as T ype-7 LSAs, which the ASBR floods throughout the NSSA.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 183 53-1002603-01 Configuring OSPF NOTE The La yer 3 Switch does not inject the default ro ute into an NS SA by default. NOTE Y ou can assign one area on a router int er face. F o r example, if the system or chassis module has 1 6 por ts, 1 6 areas are suppor ted on the chassis or module.
184 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF The ip-mask parameter specifies the por tions of the IP address that a rout e must contain to be summarized in the summar y rout e. In the example abo ve, all networks that be gin with 193.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 185 53-1002603-01 Configuring OSPF Aut h-c ha nge -wa it -ti me : OSPF gracefully implements auth enti cation changes to allow all rout er s to implement the change and thus pre vent disrupti on t o neighbor adjacencies.
186 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Retransmit-interval : The time between retransmissio n s of link- state advertisements (LSAs) to adjacent rout er s f or this inter face. The value can be from 0 through 3600 se conds.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 187 53-1002603-01 Configuring OSPF • Outgoing OSPF packets – After you make the ch ange, the software continues to use the old authentication to send pack ets , during the remainder of the current authentication-chan ge interval.
188 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Brocade(config-if-1/1/5)#ip ospf database-filter all out Brocade(config-if-1/1/5)#clear ip ospf all The first command in this example blocks all outb ound LSAs on the OSPF int er face configured on por t 1/1/5.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 189 53-1002603-01 Configuring OSPF Example of specifying OSPF neighbor address Brocade#show ip ospf interface v20,OSPF enabled IP Address 10.1.20.4, Area 0 OSPF state BD, Pri 1, Cost 1, Options 2, Type non-broadcast Events 6 Timers(sec): Transit 1, Retrans 5, Hello 10, Dead 40 DR: Router ID 10.
190 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF FIGURE 22 Defining OSPF vir tual links within a network Example Figure 22 s h ows an O SP F a re a bo rde r ro u ter, Dev ic eA , th a t i s c u t o f f fro m t he b ac kb o ne ar e a ( ar ea 0).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 191 53-1002603-01 Configuring OSPF Refe r to “Modifying vir tual link parameters” on page 19 1 for descriptions of the optional parameters. Modifying virtual link parameters OSPF has some paramet er s that you can modify f or vir tual links.
192 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Hello Interval : The length of time between the transmission of hello pack ets.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 193 53-1002603-01 Configuring OSPF By default, an int er face OSPF cost is based on the por t speed of the interface.
194 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF • The cost of a vir tual link is ca lculated using the Shor test Path F irst (SPF) algorithm and i s not affected by the auto-cost f eature. • The bandwidth for tunnel inter faces is 9 Kbps and is not affect ed by the auto-cost f eature.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 195 53-1002603-01 Configuring OSPF NOTE The ASBR must be running both RIP and OS PF prot ocol s to support this activity . T o configure for redistribution, de fine the redistribution tab les wi th den y and permit redistribution filters.
196 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE Redistribution is permitt ed for all r outes by def ault, so the permit redistribute 1 all command in the example ab ov e is shown for clarity but is no t required.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 197 53-1002603-01 Configuring OSPF Preventing specific OSPF ro utes from being installed in the IP route table By default, all OSPF routes in the OSPF route table ar e eligibl e f o r installation in the IP route table.
198 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Syntax: deny | permit source-ip wildcar d The AC L - n am e | AC L - i d parameter specifies the A CL name or ID. The in command applies the ACL to incoming rout e updates.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 199 53-1002603-01 Configuring OSPF The first three commands configure an ext ended ACL that denies routes t o any 1 0.x.x.x destination network with a 255.255.0.0 network mask and allo ws all other rout es for eligibility t o be installed in the IP ro ute table.
200 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE If you enable the soft ware t o display IP subnet masks in CIDR format, the mask is sav ed in the file in “/ mask-bits ” f ormat.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 201 53-1002603-01 Configuring OSPF Example using a route map T o configure a rout e map and use it for redistributi on o f ro u te s in to O S P F , en te r c om m a n ds s u ch a s the fo llowing.
202 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF NOTE When you use a route map for r oute redistribution, th e software disregards the permit or deny action of the ro ute map.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 203 53-1002603-01 Configuring OSPF FIGURE 2 4 Example OSPF network with four equal-cost paths In the example in Figure 2 4 , the Brocade switch has.
204 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Configuring external route summarization When the La yer 3 Switch is an OSPF Aut onomo us System Boundar y Route.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 205 53-1002603-01 Configuring OSPF T o display the configured summar y addresses, use the show ip ospf config command at any lev el of the CLI. The summary addresses displa y at the bo tto m of the output as shown in the f ollowing exa mp le .
206 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF T o disable the feature, ent er the no default-information-orig inate command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 207 53-1002603-01 Configuring OSPF Modifying the redist ribution metric type The redistribution metric type is used by def aul t for all rout es impor ted int o OSPF unless you specify dif f erent metrics for individual rout es usin g redistribution filters.
208 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF The exter na l | inter -area | intra-area parameter specifies the r oute type f or which you are changing the default administrative distance. The dis tance parameter specifies the new distance f or the specified r oute type.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 209 53-1002603-01 Configuring OSPF T o later re-enable the trap f eature, ent er snmp-ser ver trap ospf . T o disable a specific OSPF trap, enter the command as no snmp-server trap ospf ospf-trap . These commands are at the OSPF router le vel of the CLI.
210 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring OSPF Syntax: [ no ] log all | adjacency | bad_pa cket [ checksum ] | database | memor y | retransmit The all option causes all OSPF-related Syslog messages to be logg ed.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 211 53-1002603-01 Configuring OSPF Configuring an OSPF point-to-point link In an OSPF point- to-point link, a direct Layer 3 connection exists betw een a single pair of OSPF rout ers, without the need f or Designat ed and Backup Designated r outers.
212 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing OSPF information Configuring the OSPF graceful restart time Use the f ollowing commands to specify the maxi mum amount of time advertised to a neighbor rout er to maintain rout es from and f or war d traf fic to a restar ting rout er .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 213 53-1002603-01 Clearing OSPF information This command clears all OSPF ne ighbors and the OSPF r outes e xchanged with the neighbors in the Brocade OSPF link state database.
214 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n T o clear information on the Br ocade device ab out OSPF area 1, enter the f ollowing command. Brocade#clear ip ospf area 1 This command clears inf o rmation about the specif ied area ID.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 215 53-1002603-01 Displaying OSPF information Router id: 192.168.2.1 Interface State Change Trap: Enabled Virtual Interface State Change Trap: Enab.
216 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the so f tware has been running.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 217 53-1002603-01 Displaying OSPF information The area-id parameter shows inf ormation for the specified area. The num parameter displa ys the entr y that corresponds to the entr y number you ent er .
218 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n The num parameter displa ys only the entr y in the specif ied index position in the neighbor table. F or exam ple, if you ent er “1”, only the first entry in the table is display ed.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 219 53-1002603-01 Displaying OSPF information Displaying OSPF interface information T o display OSPF inter face information, ent er t he show ip ospf in ter face command at an y CLI level.
220 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying OSPF route information T o display OSPF rout e information f or the router , enter the sh ow ip ospf routes command at an y CLI lev el . Syntax: show ip ospf r outes [ ip-addr ] The ip-addr parameter specifies a destination IP address.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 221 53-1002603-01 Displaying OSPF information Displaying the routes that have been redistributed into OSPF Y ou can display the r outes that ha ve been redist ributed into OSPF . T o display the redistribut ed rout es, enter the show ip ospf redistribute r oute command at an y level of the CLI.
222 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Syntax: show ip ospf redistribute r oute [ ip-addr ip-mask ] The ip-addr ip-mask parameter specifies a network prefix and network mask. Here is an example.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 223 53-1002603-01 Displaying OSPF information Displaying OSPF link state information T o display link stat e information, enter the show ip ospf database link-state command at an y CLI lev el .
224 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying the data in an LSA Y ou can use the CLI to display the data the La yer 3 Switch received in a specific Ext ernal LSA pack et or other type of LSA packet.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 225 53-1002603-01 Displaying OSPF information Brocade#show ip ospf virtual-link Syntax: show ip ospf virtual-link [ num ] The num parameter displa ys the table beginning at the specified entry number .
226 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF informatio n Displaying OSPF gracef ul restart information T o display OSPF graceful restart info rmation f or OSPF neighbors, use the show ip ospf neighbors command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 227 53-1002603-01 Chapter 6 OSPF version 3 (IPv6) Ta b l e 4 2 lists the Open Shor test Path First (OSPF) v ersion 3 (IPv6) f eatures Brocade ICX 6650 devic es suppor t . These f eatures are suppor ted with premium I Pv6 devices running the full La yer 3 soft ware image.
228 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Differences between OSPF V2 and OSPF V3 NOTE The terms La yer 3 Switch and router are used int erchangeably in this chapt er and mean the same thing.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 229 53-1002603-01 OSPF V3 configurati on OSPF V3 configuration T o configure OSPF V3, you must per form the f ollowing tasks: 1. “Enabling OSPF V3” on page 229 2. “ Assigning OSPF V3 areas” on page 230 3.
230 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Brocade(config-ospf6-router)#no ipv6 router ospf ipv6 router ospf mode now disabled.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 231 53-1002603-01 OSPF V3 configurati on When you disable the summary LSAs , the change tak es effect immedi at ely . If you apply the option to a pre viously configured area, the rout er flushes all of the summary LSAs it has generated (as an ABR) from the area.
232 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration • When assigned fro m the router int er face requir ing a logical connection, the neighbor rout er field is the rout er ID (IPv4 address) of the r out er that is ph ysically connected to the backbone.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 233 53-1002603-01 OSPF V3 configurati on The ethernet | loopback | tunnel | ve parameter specifies the interface from which the rout er derives the sour ce IPv6 address for communication acr oss the vir tual link.
234 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Changing the reference bandwidth for the cost on OSPF V3 interfaces Each interface on which OSPF V3 is enabled has a cost associated with it. The B rocade de vice advertises its interfaces and their costs to OSPF V3 neighbors.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 235 53-1002603-01 OSPF V3 configurati on • 155 Mbps por t cost = 500/155 = 3.23 , which is rounded up t o 4 • 622 Mbps port cost = 500/622 = 0.80, which is rounded up t o 1 • 2 488 Mbps por t cost = 500/2 488 = 0.
236 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration The metric-type type parameter specifies an OSPF metric ty pe f or the redistributed r oute.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 237 53-1002603-01 OSPF V3 configurati on NOTE When you use a route map for r oute redistribution, th e software disregards the permit or deny action of the ro ute map.
238 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration External route summarization When the Brocade de vice is an OSPF Aut onomo us System Boundary Rout er (ASBR.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 239 53-1002603-01 OSPF V3 configurati on Filtering OSPF V3 routes Y ou can filt er the routes to be plac ed in the OSPF V3 rout e table by configuring distribut ion lists. OSPF V3 distribution lists can be a pplied globally or t o an inter face.
240 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Af ter this distribution list is configured, route 2 001: db8::/64 would be omitted fr om the OSPF V3 rout e table. The f ollowing commands specify an IPv6 prefix list called filt erOspfRoutesV e that denies rout e 200 1:db8::/64.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 241 53-1002603-01 OSPF V3 configurati on Configuring an OSPF V3 distribution list using a route map as input The f ollowing commands configure a rout e map that matches internal rout es.
242 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration NOTE The default action rule f or rou te -m a p is to deny all r outes that are not explicitly permitt ed. If you configure a “ deny” r oute map but want to permit ot her r outes that do not match the rule, configure an “empty” permit ro ute map.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 243 53-1002603-01 OSPF V3 configurati on The metric-type type parameter specifies the e xternal link type associated with the default r oute advertised into the OSPF r outing domain.
244 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Administrative distance The Bro cade device can learn about ne tworks fr om various pro tocols, including I Pv6, RIPng, and OSPF V3. Consequently , the rout es to a netwo rk may differ depending on the prot ocol from which the rout es were learned.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 245 53-1002603-01 OSPF V3 configurati on Configuring the OSPF V3 LSA pacing interval The Br ocade device paces OS PF V3 LSA refreshes by delaying the refreshes for a specifie d time interval inst ead of per forming a refresh each time an individu al LSA refr esh timer expires.
246 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Brocade(config-ospf6-router)#external-lsdb-limit 3000 Syntax: ipv6 ospf area number | ipv4-address The entries parameter can be a numerical value from 5 00–8000 seconds.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 247 53-1002603-01 OSPF V3 configurati on • T ransmit-delay: The time it takes to transmit Link Stat e Update pack ets on this interface. The command syntax is ipv6 ospf transmit-delay seconds . The value can be from 0–3600 seconds.
248 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Instructions fo r conf iguring IPse c on th ese entities appear in “IPsec f or OSPF V3 configuration” on page 2 48. IPsec on a vir tual link is a glo bal configurat ion.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 249 53-1002603-01 OSPF V3 configurati on General considerations when configuring IPsec for OSPF V3 The IPsec component generat es se curity associations and securi ty policies base d on cer tain user-spec ified parameters.
250 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Interface and area IPsec considerations This section describes the prec edence of int er face and area IPsec configurations.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 251 53-1002603-01 OSPF V3 configurati on NOTE The IPsec configuration for an interface applies to the inbound and outbound directions.
252 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 OSPF V3 configuration Configuring IPsec for an area This application of the area command (for IPsec) applies to all of the inter faces that belong to an area unless an interface has its own IPsec configuratio n.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 253 53-1002603-01 OSPF V3 configurati on Syntax: [no] area area-id vir tual nb rid authenticati on ipsec spi spinum esp sha1 [no-encr ypt] key The no form of this command deletes IPsec fr om the vir tual link.
254 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Changing the key rollover timer Configuration changes for authentication takes ef f ect in a controlled manner thr ough the ke y ro llover pr ocedure as specified in RFC 4552, Se ction 1 0.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 255 53-1002603-01 Displaying OSPF V3 Information • Vir tual link s • Vir tual neighbor s • IPsec Displaying OSPF V3 area information T o display global OSPF V3 area information for the Brocade de vice, enter the f ollowing command at any CLI le vel.
256 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 database information Y ou can display a summary of the link state databa se or detailed inf o rmation about a specified LSA type.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 257 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. For e xample, to displa y detailed inf ormation about all LSAs in the database, enter the show ipv6 ospf database ext ensive command at an y CLI level.
258 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information NOTE Portio ns of this display are truncated for brevity . The purpose of this display is t o show all possible fields that might display rather than to sho w complete output.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 259 53-1002603-01 Displaying OSPF V3 Information The fields that displa y depend upon the LS A type as show n in the following table.
260 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Network LSA (Type 2) (Net) fiel ds Options A 24-bit field that enables IPv6 OSPF routers to suppor t the opti onal capabilities.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 261 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 interface information Y ou can display a summar y of inf o rmation for all OSPF V3 inter faces or detailed information about a specified OSPF V3 int er face.
262 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. For e xample, to displa y detailed inf ormation about Ethernet interface 2, enter the show ipv6 ospf interface ethernet command at an y lev el of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 263 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. TA B L E 47 Det ailed OSPF V3 int er face information Field Description Interface status The status of the interface.
264 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 memory usage T o di splay inf ormation about OSPF V3 m em or y us age , e nter th e show ipv6 ospf me mor y co mmand at any le vel of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 265 53-1002603-01 Displaying OSPF V3 Information This display sho w s the f ollowing information. Displaying OSPF V3 neighbor information Y ou can displa y a summar y of OSPF V3 neighbor information f or the Brocade de vice or detailed information about a specified neighbor .
266 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information For e xample, to displa y detailed inf ormation about a neighbor with the r outer ID of 1. 1. 1. 1, enter the show ipv6 ospf neighbor r outer-id command at an y CLI lev el.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 267 53-1002603-01 Displaying OSPF V3 Information Displaying routes redistributed into OSPF V3 Y ou can displa y all IPv6 routes or a specified IPv6 r oute that the Brocade de vice has redistributed into OSPF V3.
268 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf redistribut e rout e [ ipv6-prefix ] The ipv6-prefix parameter specifies an IPv6 network prefix . (Y ou do not need t o specify the length of the prefix.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 269 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf r outes [ ipv6-prefix ] The ipv6-prefix paramet er specifies a destination IPv6 prefix. (Y ou do not need t o specify the length of the prefix.
270 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying OSPF V3 SPF information Y ou can display the f ollowing OSPF V3 SPF inf ormation: • SPF node info rmation for a specified area. • SPF table f or a specified area.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 271 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf spf node area [ area-id ] The node ke yword displa ys SPF node inf ormation. The area area-id parameter specifies a part icular area.
272 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information For e xample, to display the SPF tree f or area 0, enter the show ipv6 ospf spf tree area command at any le vel of the CLI. Syntax: show ipv6 ospf spf tree area area-id The tree ke yword displa ys the SPF table.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 273 53-1002603-01 Displaying OSPF V3 Information Displaying IPv6 OSPF virtual link information T o display OSPF V3 vir tual link inf orm ation for the Br ocade device , enter the sho w ipv6 ospf vir tual-link command at an y level of the CLI.
274 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information IPsec examples This section contains exampl es of IPsec config uration and the output from the IPsec-specific show commands. In addition, IPsec- relat ed inf ormation appears in general show command output for interfaces and areas.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 275 53-1002603-01 Displaying OSPF V3 Information Showing IPsec po licy The show ipsec policy command displays the database f or the IP sec security policies. The fields f or this show command output appear in the screen output e xample that follows.
276 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Showing IPsec statis tics The sho w ip sec statistics command displays the err or and other counters f or IPsec, as this example shows. Source The source addr ess consists of the IPv6 prefix and the TCP or UDP port identifier .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 277 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipsec statistics This command takes no parameters. Displaying IPsec conf iguration for an area The show ipv6 ospf area [ area- id ] command includes information ab out IPsec f or one area or all areas.
278 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Displaying IPsec for an interface T o see IPsec conf iguration for a particul ar inter face or all int er faces, use the show ipv6 ospf inter face command as in the following e xample (IPsec information in bold).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 279 53-1002603-01 Displaying OSPF V3 Information Displaying IPsec for a virtual link T o display IPsec f or a vir tua l link, run the show ipv6 ospf vir tual-link brief or show ipv6 ospf vir tual-link co mmand, as the follo w ing examples illustrate.
280 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying OSPF V3 Information Syntax: show ipv6 ospf vir tual-link [brief] The optional [brief] k eywor d limits the display to th e T ransit, Area ID, Router ID, Int er face Address, and State fields f or each link.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 281 53-1002603-01 Chapter 7 BGP (IPv4) Ta b l e 61 lists the Bor der Gatew ay Pro tocol (BGP4) features Br ocade ICX 6650 de vices suppor t. BGP4 f eatures are suppor ted on Br ocade ICX 6650 de vices running the full Layer 3 sof tware image.
282 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview BGP4 overview Border G atew ay Pro tocol 4 (BGP4) is the standa rd Exteri or Gatew ay Pro tocol (EGP) used on the Internet to rout e traf fic between Autonomous Syst ems ( A S) and to maintain loop-free routing.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 283 53-1002603-01 BGP4 overview Although a La yer 3 Switch BGP4 r oute table can ha ve multiple r outes t o the same destination, the BGP4 prot ocol evaluat es the rout es and chooses only one of the rout es to send to the IP rout e table.
284 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview 3. If the weights are the same, prefer the route with the largest local preferenc e. 4. If the r outes ha ve the same local pref erence, pref er the route that was originated lo cally (by this BGP4 Lay er 3 switch).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 285 53-1002603-01 BGP4 overview NOTE Brocade Lay er 3 swi tches suppor t BG P4 load sh aring among multiple eq ual-cost paths. BGP4 load sharing enables the Layer 3 switch to bala nce the traf fic across the multiple paths instead of choosing just one path based on rout er ID.
286 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 overview UPDATE messages from BGP4 routers Af ter BGP4 neighbors establ ish a BGP4 connectio n ov er TCP and ex change their BGP4 routing tables, they do no t send periodic routing upd a tes.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 287 53-1002603-01 BGP4 graceful restart BGP4 graceful restart BGP4 graceful restar t is a high-availability r outing feature that minimizes disruption in traf fic forwar ding, diminishes route flapping , and provides continuous service during a syst em restar t.
288 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 parameters Brocade> enable Brocade#configure terminal Brocade(config)#router bgp BGP4: Please configure 'local-as' parameter in order to enable BGP4. Brocade(config-bgp-router)#local-as 10 Brocade(config-bgp-router)#neighbor 192.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 289 53-1002603-01 BGP4 parameters • Optional – Specify a list of individual networks in the local AS to be adv er tised to remo te autonomous systems using BGP4. • Optional – Change the default local pre ference f or routes.
290 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP4 parameters • Add neighbors. • Change the update time r for r oute changes. • Disable or enable fast e xternal fallov er . • Specify individual networks that can be adver tised.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 291 53-1002603-01 Basic configuration tasks required for BGP4 Basic configuration tasks required for BGP4 The f ollowing sections describe ho w to per for m th e configuration tasks that are required to use BGP4 on the Brocade Layer 3 switch.
292 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 Setting the local AS number The local AS number ide n tifies the AS the Br ocade BGP4 rout er is in. The AS number can be fr om 1 through 65535 .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 293 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If the La yer 3 switch has multiple neighbors with similar attributes, you can simplify configuration by configuring a peer gr oup, then addi ng individual neighbors t o it.
294 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 advertisement-interval num specifies the minimum delay (in seconds) between messages to the specified neighbor . The default is 30 for EBGP ne ighbors (neighbors in other autonomous systems).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 295 53-1002603-01 Basic configuration tasks required for BGP4 filter -list in | out num,num,.. specifies an AS-path filter list or a list of AS-path ACLs. The in | out ke yword specifies whe ther the list is applied on updat es received from the ne ighbor or sent to the neighbor .
296 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If you w ant the sof tware to assume that the v alu e you ent er is the clear-t ext f orm, and to encr ypt display of that form, do not enter 0 or 1.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 297 53-1002603-01 Basic configuration tasks required for BGP4 unsuppress-map map-name remov es rout e dampening fr om a neighbor rout es when those rout es ha ve been dampened due t o aggregation.
298 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 Notice that the sof tware has converted the comman ds that specify an auth entication string into the new syntax (described belo w), and has encr yp t ed display of the authentication strings.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 299 53-1002603-01 Basic configuration tasks required for BGP4 The enable passw ord-display command enables display of the auth entication string, but only in the output of the show ip bgp neighbors command.
300 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 NOTE If you ent er a command to remo ve the remot e AS paramet er from a peer gr oup, the sof tware checks to ensure that the peer gr oup does not contain an y neighbors.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 301 53-1002603-01 Basic configuration tasks required for BGP4 • If you add a paramet er to a peer group that alre ady conta ins neighbors, the parameter value is applied to neighbors that do no t already have the paramet er explicitly set.
302 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic configuration tasks required for BGP4 [ sof t-reconfiguration inbound ] [ shutdown ] [ timers keep-alive num hold-time num .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 303 53-1002603-01 Basic configuration tasks required for BGP4 NOTE The sof tware also contains an op tion t o end the session with a BGP4 neighbor and thus clear the rout es learned from the neighbor .
304 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks T o shut down a BGP4 neighbor , ente r commands such as the following.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 305 53-1002603-01 Optional BGP4 configura tion tasks This command changes the updat e timer to 15 seconds. Syntax: [ no ] update-time secs The secs parameter specifies the number of seconds and can be fr om 1 through 30.
306 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks How load sharing affe cts route selection During ev alu ation of multiple paths to select the b.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 307 53-1002603-01 Optional BGP4 configura tion tasks T o change the maximum number of shared path s, enter commands such as the f ollowing.
308 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks T o configure the La yer 3 switch t o adver tise networ k 209. 15 7 .22.0/2 4, ent er the follo wing command. Brocade(config-bgp-router)#network 192.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 309 53-1002603-01 Optional BGP4 configura tion tasks The route - ma p map -name paramet er specifies the name of the ro ute map you w ant to use to set or change BGP4 attribut es for the netw ork you are adv er tising.
310 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks Advertising the default route By default, the La yer 3 switch does no t originate and adv er tise a default rout e using BGP4. A BGP4 default r oute is the IP address 0.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 311 53-1002603-01 Optional BGP4 configura tion tasks It is possible f or the BGP route table t o contain a rout e whose next-hop IP address is not reachable through an IGP r oute, even th ough a hop far ther awa y can be reached by the La yer 3 switch thr ough an IGP rout e.
312 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks The rout e to the ne xt-hop gatew ay is a BGP r oute, not an IGP route, and thus cannot be used to reach 192.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 313 53-1002603-01 Optional BGP4 configura tion tasks The next-hop IP address for 1 92.0.0. 1 is not an IGP rout e, which means the BGP r oute destination still cannot be reached thr ough IP . The recur sive ne xt-hop lookup f eature per forms a look up on 1 0.
314 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks When selecting a rout e from among different sour ces (BGP4, OSPF , RIP , static r outes, and so on), the sof tware compares the r outes on the basis of each route administrativ e distance.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 315 53-1002603-01 Optional BGP4 configura tion tasks Requiring the first AS to be the neighbor AS By default, the Br ocade device does not require .
316 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks Brocade(config-bgp-router)#compare-routerid Syntax: [ no ] compare-rout erid For more inf ormation, ref er to “How BGP4 selects a path for a r oute” on page 283.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 317 53-1002603-01 Optional BGP4 configura tion tasks Brocade(config-bgp-router)#med-missing-as-worst Syntax: [ no ] med-missing-as-worst NOTE This command affects rout e selection only wh en rout e paths are select ed based on MED comparison.
318 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks AS1 contains a clus ter with two r oute reflect ors and two clients. The r oute reflectors are fully meshed with other BGP4 routers, but the clients are not fully meshed.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 319 53-1002603-01 Optional BGP4 configura tion tasks • The Lay er 3 switch adds the attributes only if it is a r oute reflector , and only when adver tising IBGP rout e information t o other IBGP neig hbors.
320 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks For more inf orm ation about the neighbor command, refer t o “ Adding BGP4 neighbors” on page 292.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 321 53-1002603-01 Optional BGP4 configura tion tasks Figure 2 7 shows an exam ple of a BGP4 conf ederation. FIGURE 2 7 Example of a BGP4 confederation In this example, f our switches are configured in to two sub-autonomous systems, each containing two of the switches.
322 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Optional BGP4 configuration tasks • Configure the conf ederation ID. The confederation ID is the A S number by which BGP switches outside the confed eration know the confed eration.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 323 53-1002603-01 Optional BGP4 configura tion tasks Commands for router C BrocadeC(config)#router bgp BrocadeC(config-bgp-router)#local-as 64513 B.
324 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuring BGP4 graceful restart The attribute-map map-name parameter configures the r outer to set attribut es for the agg regate rout es based on the specified r oute map.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 325 53-1002603-01 BGP null0 routing Brocade(config-bgp)# graceful-restart stale-routes-time 120 Syntax: [ no ] graceful-restar t stale-rout es-time second s The seconds variable is the maximum time before a help er devic e cleans up stale rout es.
326 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP null0 routing Figure 28 shows a topology f or a null 0 routing application example. FIGURE 28 Example of a null0 routing application The follo wing steps configu re a null0 routing applicat ion for st opping denial of ser vice attack s from remote hosts on the int ernet.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 327 53-1002603-01 BGP null0 routing Configuration examples for BGP null0 routing S6 The following configuration defines specific prefixes t o filter . Brocade(config)#ip route 10.0.0.40/29 ethernet 1/1/2 tag 50 Brocade(config)#ip route 10.
328 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 BGP null0 routing Brocade(config-bgp-router)#neighbor <router4_int_ip address> remote-as 100 Brocade (config-bgp-router)#ne.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 329 53-1002603-01 BGP null0 routing S1 and S2 The show ip r oute output f or S1 and S2 shows "drop" under the Port column for the network prefixes you configured with null0 ro uting.
330 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Modifying redistribution parameters Modifying redistribution parameters By default, the La yer 3 Switch do es not redistri bute r oute inf ormation betwe en BGP4 and the IP IGPs (RIP and OSPF).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 331 53-1002603-01 Modifying redistri bution parameters Redistributing RIP routes T o configure BGP4 to redistribute RIP r outes and add a metric of 10 t o the redistributed ro utes, enter the f ollowing command.
332 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Modifying redistribution parameters Redistributing static routes T o configure the Lay er 3 switch to redistribu t e static rout es, enter the f ollowing command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 333 53-1002603-01 Filtering Filtering This section describes the follo wing: • “Specific IP address filt ering” on page 333 • “A S - p a .
334 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering NOTE Once you define a filter , the default action for ad dresses that do not match a filt er is “deny”. T o change the default action to “permit”, configure the last filter as “permit an y any”.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 335 53-1002603-01 Filtering Defining an AS-path filter T o define AS-path filter 4 to permit AS 2500, enter the f ollowing command.
336 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The neighbor command uses the filt er-li st parameter to apply the AS-path ACL to the neighbor .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 337 53-1002603-01 Filtering If you want t o filter f or a special character instead of using the special character as described in Ta b l e 6 2 on page 336, enter “” (backslash) in fr ont of the character .
338 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering BGP4 filtering communities Y ou can filter r outes receiv ed from BGP4 neighbor s based on community names. Use either of the f ollowing met hods to do so. A community is an optional attrib ute that identifies the route as a member of a user -defined class of rout es.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 339 53-1002603-01 Filtering The num:num parameter indicates a specific community num ber to filter . Use this parameter t o filter f or a private (administrator -defined) commu nity . Y ou can enter up to 20 community number s with the same command.
340 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The deny | permit parameter specifies the action the sof tware takes if a r oute community list matches a match statement in this A CL. T o conf igure the commu nity-list match statements in a rout e map, use the match communit y command.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 341 53-1002603-01 Filtering The deny | permit parameter specifies the action the sof tware takes if a neighbor route is in this prefix list. The prefix-list matches only on this network unless you use the ge ge-value or le le-value parameters.
342 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Defining route maps A route m ap is a named set of match conditio ns and para meter settings that the rout er can use to modify rout e attributes and to contr ol redistribution of the routes into other pr otocols.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 343 53-1002603-01 Filtering • Set the MED (metric). • Set the IP address of the next hop r outer . • Set the origin to IGP or INCOMPLETE. • Set the weight. For e xample, when you configure parameters f or redi stributing rout es into RIP , one of the optional paramet ers is a route map.
344 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Specifying the match conditions Use the f ollowing command to define the match conditions for instance 1 of the route map GET_ONE. This instance compares the rout e updates against BGP4 address filter 11.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 345 53-1002603-01 Filtering NOTE By default, r oute maps apply to bo th unicast and multicast traf fic. The rou te -t y pe in te rn a l | external-type1 | ex te rn al -t y pe 2 parameter applies only to OSPF rout es.
346 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Matching based on next-hop router T o construct match statements f or a route map that match based on the IP address of the next-hop rout er , use either of the f ollowing methods.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 347 53-1002603-01 Filtering The first command configures a community A CL that contains commun ity number 12:34 and community name no-expor t. The remaining comm ands configure a route map that matches the community attributes fiel d in BGP4 rout es against the set of communities in the A CL.
348 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The dampening [ half-life reuse suppress max-suppress-time ] paramet er sets route dampening paramet ers for the r oute. The half-life parameter spe cifies the number of minut es af ter which the rout e penalty becomes half its value.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 349 53-1002603-01 Filtering NOTE This parameter applies only t o rout es redistributed into OSPF .
350 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering Deleting a community from a BGP4 route T o delete a community from a BGP4 ro ute communit y attributes field, ent er commands such as the following.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 351 53-1002603-01 Filtering Configuring cooperative BGP4 route filtering By default, the La yer 3 switch perfor ms al l filtering o f incoming r out es locally , on the Layer 3 switch itself.
352 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Filtering The next two commands change the CLI to the BGP4 co nfiguration lev el, then apply the IP prefix list to neighbor 1 0 .2.3.4. The last command enable s the La yer 3 switc h to send the IP prefix list as an ORF to neighbor 1 0.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 353 53-1002603-01 Filtering NOTE If the Lay er 3 switch o r the neighbor is not conf igured for c ooperative filtering, the command sends a normal r oute refresh message.
354 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration Route flap dampening configuration A “rout e flap” is the change in a rout e state, fr om up to down or do wn to up.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 355 53-1002603-01 Route flap dampening configuration Globally configuring route flap dampening T o enable route flap dam pening using the default values, ent er the following command.
356 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration The address-filter commands in this e xample configure two BGP4 address filters, f or networks 1 0. 15 7 .22.0 and 1 0. 15 7 .23.0. The first r oute-map command creat es an entr y in a rout e map called “DAMPENING_MAP”.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 357 53-1002603-01 Route flap dampening configuration Brocade(config)#route-map DAMPENING_MAP_ENABLE permit 1 Brocade(config-routemap DAMPENING_MAP_.
358 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Route flap dampening configu ration Here is an example. The aggregate-address command conf igures an aggregate address. The summar y-only p arameter prev ents the Lay er 3 switch from adver tising more specific rout es contained within the aggregat e ro ute.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 359 53-1002603-01 Route flap dampening configuration Displaying and clearing route flap dampening statistics The sof tware pro vides many options for displa ying an d clearing r oute flap statistics.
360 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Generating traps for BGP Y ou also can display all the dampened rout es by entering the show ip bgp dam pened-paths command. Clearing route flap dampening statistics T o clear rout e flap dampening statis tics, use the following CLI method.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 361 53-1002603-01 Displaying BGP4 informatio n Syntax: [ no ] snmp-ser ver enable traps bgp Use the no for m o f th e c o m ma nd to disable BGP traps.
362 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Ta b l e 6 4 lists the field definitions for the command output. TA B L E 6 4 BGP4 summar y information Field Description Rout er ID The La yer 3 switch r outer ID.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 363 53-1002603-01 Displaying BGP4 informatio n State The state of this router neighbor s ession with each neighbor . The states are from this r outer perspectiv e of the session, not the neighbor perspecti ve.
364 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the active BGP4 configuration T o view the active BGP4 configuration information contained in the running-config without displaying the entire running-confi g, use the f ollowing CLI method.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 365 53-1002603-01 Displaying BGP4 informatio n If the soft ware has been running less than 15 minutes (the maximu m interval for utilization statistics), the command indicat es how long the software has been running.
366 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying summary neighbor information T o display summary neighbor information, ent er a command such as the following at an y level of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 367 53-1002603-01 Displaying BGP4 informatio n Displaying BGP4 neighbor information T o view BGP4 neighbor information including the v alues for all the configured parameters, enter the f ollowing command.
368 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information This example sho ws how to displa y information for a specific neighbor , by specifying the neighbor IP address with the command. None of the o ther disp lay options are used; thus, all of the information is display ed for the neighbor .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 369 53-1002603-01 Displaying BGP4 informatio n The attribute-entries option shows the attribute-entries associated with r outes received fr om the neighbor . The flap-statistics option sho ws the route flap statistics f or rout es received from or se nt to the neighbor .
370 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Rout erID The neighbor r outer ID. Description The description you ga ve the neighbor when you configured it on the La yer 3 switch. State The state of the r outer session wit h the neighbor .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 371 53-1002603-01 Displaying BGP4 informatio n Remo vePrivat eAs Whether this option is enabled for the neighbor . RefreshCapability Whether thi s Layer 3 switch has rece ived confirmatio n from the neigh bor that the neighbor suppo r ts the dynamic refresh capabili ty.
372 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Last Connection R eset Rea so n The reason the pre vious session with this neighbor ended.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 373 53-1002603-01 Displaying BGP4 informatio n Notification Sent If the rout e r receives a NO TIFICA TION mess age from the neighbor , the mes sage contains an e rror code corresp onding to one of the following errors.
374 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information T CP Connection state The stat e of the connection with the neighbor . The connection can hav e one of the fol l ow i n g s t a te s: • LISTEN – Waiting for a connection request.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 375 53-1002603-01 Displaying BGP4 informatio n Displaying route information for a neighbor Y ou can display r outes based on the f ollowing criteria: • A summar y of the r outes for a spec ific neighbor .
376 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Ta b l e 6 7 lists the field definitions for the c ommand output.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 377 53-1002603-01 Displaying BGP4 informatio n Displaying advertised routes T o display the rout es the Lay er 3 switch has adver tis ed to a specific neighbor for a specific network, enter a command such as the f ollowing at an y level of the CLI.
378 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the best routes th at were nonetheless not inst alled in the IP route table T o display th.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 379 53-1002603-01 Displaying BGP4 informatio n Syntax: show ip bgp pee r-group [ pee r-group-name ] Only the parameters that hav e values dif ferent fr om their defaults are listed.
380 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying the BGP4 route table BGP4 uses filters y ou define as well as the algorithm described in “Ho w BGP4 selects a path for a rou te ” on page 283 to det ermine the pref erred ro ute to a destination.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 381 53-1002603-01 Displaying BGP4 informatio n The community option lets you displa y routes f or a specific co mmunity . Y ou can specify local-as , no-export , no-adver tise , internet , or a privat e community number .
382 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Syntax: show ip bgp r outes best For inf ormation about the f ields in this display , ref er to Ta b l e 6 9 on page 383. The fields in this display also appear in the sho w ip b gp displa y .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 383 53-1002603-01 Displaying BGP4 informatio n Displaying information for a specific route T o display BGP4 network inf ormatio n by specifyi ng an IP address within the networ k, enter a command such as the follo wing at any lev el of the CLI.
384 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying route details Here is an e xample of the information displa yed when you use the detail option. In this exam ple, the information f or one route is show n .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 385 53-1002603-01 Displaying BGP4 informatio n These displays show the f ollowing information. TA B L E 7 0 BGP4 route information Field Description T otal number of BGP Routes The number of BGP4 routes.
386 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying BGP4 route-attribute entries The rout e-attribute entries table lists the se ts of BGP4 attributes st ored in the route r memor y . Each set of attributes is unique an d can be associated with one or more routes.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 387 53-1002603-01 Displaying BGP4 informatio n Ta b l e 7 1 lists the field definitions f or the command output. Displaying the routes BG P4 has placed in the IP route table The IP route table indicates the rout es it has re ce ived fr om BGP4 by listing “BGP” as the r oute type.
388 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying BGP4 information Displaying route flap dampening statistics T o display r oute dampening statistics or all the dampened rout es, enter the f ollowing command at any le vel of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 389 53-1002603-01 Displaying BGP4 informatio n Y ou also can display all the dampened route s by entering the following command.
390 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session Brocade#show route-map setcomm route-map setcomm permit 1 set community 1234:2345 no-export This example sho ws the active configuration for a r oute map called “setcomm“.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 391 53-1002603-01 Updating route information and reset ting a neighbor session Using soft reconfiguration The sof t reconfiguration feature places policy changes into effect wi thout resetting the B GP4 session.
392 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session NOTE If you do not specify “in”, the command appl ies t o both inbound and outbound updates. NOTE The syntax related to soft reco nfiguration is shown.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 393 53-1002603-01 Updating route information and reset ting a neighbor session Displaying all the routes received from the neighbor T o display all.
394 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session • RFC 29 18, which describes the dy namic rout e refresh capability The dynamic r oute refresh capabili ty is enabled by def ault and ca nnot be disabled.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 395 53-1002603-01 Updating route information and reset ting a neighbor session NOTE The soft-outbound paramet er updates all outbou nd r outes b y applying the new or changed filters, but sends only the existing r outes affect ed by the ne w or changed filters t o the neighbor .
396 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Updating route information and resetting a neighbor session Closing or resetting a neighbor session Y ou can close a nei ghbor session or resend rout e updates t o a neighbor .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 397 53-1002603-01 Clearing traffic counters neighbor as needed. This ensures that the neighb or receives o nly the routes y ou want it to contain.
398 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing route flap dampening statistics Syntax: clear ip bgp neighbor all | ip-addr | peer-group-name | as-num traffic The all | ip-addr | peer-group-name | as-num option specifies the neighbor .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 399 53-1002603-01 Clearing diagnostic buffers Clearing diagnostic buffers The Lay er 3 switch stores the f oll owing BGP4 diagnostic information in.
400 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Clearing diagnostic buffers.
Brocade ICX 6650 Layer 3 Routing 401 53-1002603-01 Chapter 8 IPv6 Ta b l e 7 3 lists the IPv6 features Br ocade ICX 6650 device s suppor t. These features are suppor ted in the Lay er 2 and full La yer 3 sof tware images, e xcept where e xplicitly noted.
402 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 Static IPv6 route configuration Ta b l e 7 4 describes the parameters associated with this command and indicat es the status of each parameter .
Brocade ICX 6650 Layer 3 Routing 403 53-1002603-01 IPv6 over IPv4 tunnels The administrative distance is a value that the Lay er 3 switch uses to compare this r oute with rout es from other r oute sources that ha ve the same destination. (The Lay er 3 switch per forms this comparison bef ore placing a route in the IPv6 r out e table.
404 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 IPv6 over IPv4 tun nels Configuring a manual IPv6 tunnel Y ou can use a man ually configured tunnel to connec t tw o isolated IPv6 domains. Y ou should deploy this point-to-point tunnelling mechanism if y ou need a permanent and stable connection.
Brocade ICX 6650 Layer 3 Routing 405 53-1002603-01 IPv6 over IPv4 tunnels Clearing IPv6 tunnel statistics Y ou ca n clear statistics (reset all fields to zero ) for all IPv6 tunnels or for a specific tunnel interface.
406 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 IPv6 over IPv4 tun nels Syntax: show interfaces tunnel number The number parameter indicat es the tunnel inter face number f or which you want to display information. This display sho w s the f ollowing information.
Brocade ICX 6650 Layer 3 Routing 407 53-1002603-01 IPv6 over IPv4 tunnels The displa y command above reflec ts the following configuration. This display sho w s the f ollowing information.
408 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 ECMP load sharing for IPv6 ECMP load sharing for IPv6 The IPv6 r oute table selects the best r oute t o a given destinatio n from among the ro utes in the tables maintained by the configured routing pr otoc ols (BGP4, OSPF , static, and so on).
Brocade ICX 6650 Layer 3 Routing 409 53-1002603-01 ECMP load sharing for IPv6 Disabling or re-enabling ECMP load sharing for IPv6 ECMP load sharing for IPv6 is enabled b y default .
410 Brocade ICX 6650 Layer 3 Routing 53-1002603-01 ECMP load sharing for IPv6.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 411 53-1002603-01 Chapter 9 VRRP and VRRP-E Ta b l e 7 8 lists the Vir tual Router R edundancy Prot ocol (VRRP) and Vir tua l Router Redundancy Pro tocol Extended (VRRP-E) f eatures Brocade ICX 6650 devices support.
412 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview NOTE The maximum number of supported VRRP or VRRP-E r outer instances is 254 f or IPv4 en vironments. The maximum number o f suppor ted VRRP or VRRP-E router instances is 128 f or IPv6 envir onm ents.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 413 53-1002603-01 VRRP and VRRP-E overview If Switch 1 fails, y ou could conf igure Host1 to use Swit ch 2. Configuring one host with a dif ferent default gatew ay might not require too much e xtra adm inistration.
414 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview Virtual router ID A vir tual rout er ID (VRID) consists of one Mast er rout er and one or more Backup rout ers. The Master r outer is the r outer that owns the IP addresses you associat e with the VRID.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 415 53-1002603-01 VRRP and VRRP-E overview Master negotiation The routers within a VRID use the VRRP priority values associated with each rout er to determine which router becomes the Master .
416 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview NOTE Regar dless of the setting for the preempt parame t er , the Owner alwa ys becomes the Master again when it comes back online.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 417 53-1002603-01 VRRP and VRRP-E overview NOTE The HMAC-MD5-96 authentication type is suppor ted f or VRRP-E, but not suppor ted f or VRRP .
418 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E overview • Hello packets - VRRP sends Hello messages to IP Multicast address 22 4.0.0. 18. - VRRP-E uses UDP t o send Hello messages in IP multicast messages. The Hello packets use the MA C address of the interface and the IP address as the sour ce addresses.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 419 53-1002603-01 VRRP and VRRP-E overview Figure 32 shows an exam ple of a VRRP -E configuration.
420 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Comparison of VRRP and VRRP-E ARP behavior with VRRP-E In the VRRP-E implementation, the source MA C address of the gratuitous Ad dress Resolution Pro tocol (ARP) request sent b y the VRRP-E Master rout er is the VRRP-E vir tual MAC address.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 421 53-1002603-01 Comparison of VRRP and VRRP-E Architectural differences between VRRP and VRRP-E The pro tocols hav e the following ar chitectural differences. Management protocol • VRRP – VRRP rout ers send VRR P Hello and Hello messages to IP Multicast address 22 4.
422 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E parameters VRRP and VRRP-E parameters Ta b l e 7 9 lists the VRRP and VRRP-E parameters. Most of the paramet ers and default values are the same f or both pro tocols.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 423 53-1002603-01 VRRP and VRRP-E parameters Authentication type The type of authen tication the VRRP or VRRP-E int er faces use to v alidate VRRP or VRRP- E packets. • No authentication – The int er faces do not use authentication.
424 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 VRRP and VRRP-E parameters Dead interval The number of seconds or milliseconds a Back up waits fo r a Hello message fro m the Mast er for the VRID bef ore determi ning that the Master is no long er active.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 425 53-1002603-01 Basic VRRP parameter configuration Note regarding disabling VRRP or VRRP-E If you disable VR RP or VRRP-E, t he Layer 3 switch removes all the conf igur ation information f or the disabled pr otocol fr om the running-config file.
426 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP parameter configuration • The IP addresses associat ed with the VRID must al ready be configured on the rout er that will be the Owner . • An IP address associ ated with the VRID must be on only one rout er .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 427 53-1002603-01 Basic VRRP parameter configuration NOTE Y ou mus t first configu re the ipv6 unicast-r o uting command at the global configuration level to enable IPv6 VRRP on the rout er .
428 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP parameter configuration Syntax: [no] ip-address ip-addr Syntax: [no] ip vrrp vrid num Syntax: [no] backup [ priority v.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 429 53-1002603-01 Basic VRRP parameter configuration By default, Back up rout ers do not send Hello messages to adv er tise themselv es to the Mast er . The advertise backup command is used to enab le a Backup r outer to send Hello messages t o the Master .
430 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Basic VRRP-E parameter configuration Basic VRRP-E parameter configuration The f ollowing sections describe the configuration of the parameters specific t o IPv4 and IPv6 VRRP-E.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 431 53-1002603-01 Basic VRRP-E parameter configuration NOTE Yo u a l s o c a n u s e t h e enable command to activ ate the configuration.
432 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration When the no ipv6 ro uter vrrp-e xtended command is enabled, all IP v6 VRRP-E instances f or a specific VRID are delet ed from the int er face, and the running configuration is lo st when writing to flash.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 433 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP and VRRP-E au thentication types This section describes VRRP and V RRP-E authentication parameters.
434 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP-E syntax For IPv4 VRRP-E: Syntax: ip vrrp-ext ended auth-type no-auth | s.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 435 53-1002603-01 Additional VRRP and VRRP-E parameter configuration VRRP router type A VRRP interface is either an Owner or a Backup r outer f or a given VRID. By default, the Owner becomes the Mast er .
436 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Configuring an IPv6 VRRP v3 in terface as a Backup for a VRID T o configure an IPv6 VRRP v3 interface as a Back up for a VRID, and set its VRRP priority and track priority , enter commands such as the following.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 437 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Suppressing RIP advertise ments for the backed-up interface in Router 2 T o suppress RIP adver tisements f or the back ed-up interface in Rout er 2, enter the f ollowing commands .
438 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Dead interval configuration The dead int er val is the number of seconds a Ba ckup router waits for a Hello message from the Master bef ore determining that the Mast er is dead.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 439 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Track port configuration NOTE T rack por t is not supported by VRRP v3. Y ou can configure the VRID on one inter face t o track the link state of another int er face on the Layer 3 switch.
440 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration Backup preempt configuration By default, a Backup that has a higher priority than another Backup that has become the Master can preempt the Mast er , and take over the r ole of Master .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 441 53-1002603-01 Additional VRRP and VRRP-E parameter configuration If you configure the de vice to receive its timer v alu es from the Master , the Backup also receiv es the timer scale value from the Master .
442 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration The VRRP-E slow star t timer is ef fective only if the VRRP-E Back up router detects another VRRP-E Master (Standby) r outer . It is not ef fective during the initial bootup.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 443 53-1002603-01 Additional VRRP and VRRP-E parameter configuration FIGURE 33 VRRP-E Extension for short-path for war ding VRRP-E Extension for shor t-path forwarding exampl e Under the VRRP-E VRID configuration level, there is an option to enable shor t-path forwarding.
444 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Additional VRRP and VRRP-E parameter configuration The revert-priority val ue parameter uses the priority value as the threshold t o determine whether the shor t-path forwarding (SPF) beha vi or is effect ive.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 445 53-1002603-01 Forcing a Master router to abdicate to a Backup router Forcing a Master router to abdicate to a Backup router NOTE For cing a Master r outer to abdicat e to a Back up rout er is not suppor ted f or IPv6 VRRP , IPv4 VRRP-E, and IPv6 VRRP-E.
446 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information T o change the Master priority back to the default Owner priority 255, ent er no fol l owed by t he command you ent ered to change the priority .
Brocade ICX 6650 Layer 3 Routing Configuration Guide 447 53-1002603-01 Displaying VRRP and VRRP-E information T o display summar y information for IPv6 VRRP-E v3 , enter the show ipv6 vrrp-ext ended brief command at an y level of the CLI.
448 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying detailed information T o display detailed VRRP or VRRP-E inf ormation, enter the show i p vrrp command at any level of the CLI. VRID The VRID config ured on this inter face.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 449 53-1002603-01 Displaying VRRP and VRRP-E information The follo wing example is f or a VRRP Backup.
450 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information The ve num option spec ifies a vir tual interface. If y ou use this option, the command displays VRRP or VRRP-E information only f or the specified vir tual interface.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 451 53-1002603-01 Displaying VRRP and VRRP-E information current priority Th e current VRRP , VRRP v3, VRRP-E, or IPv6 VRRP-E priorit y of this Layer 3 switch f or the VRID.
452 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying detailed informat ion for an individual VRID Y ou can displa y information about the settings conf igured for a specified VRRP Virtual Rout er ID (VRID).
Brocade ICX 6650 Layer 3 Routing Configuration Guide 453 53-1002603-01 Displaying VRRP and VRRP-E information Syntax: show ip vrrp vrid num [ ethernet num | ve num ] Syntax: show ipv6 vrrp vrid num [ ether net num | ve num ] The num variable s pecifies the VRID.
454 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Displaying statistics T o display statistics on most Brocade devices, ent er the show ip vrrp stat command at any le vel of the CLI. T o display IPv6 VRRP-E v3 statistics on a device , ent er the follo wing command at any lev el of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 455 53-1002603-01 Displaying VRRP and VRRP-E information Ta b l e 8 4 sho ws a des cription of the output for the show i p vrrp sta t and sho w ip vrrp- ext ended stat commands .
456 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information Clearing VRRP or VRRP-E statistics T o clear VRRP or VRRP-E statistics, enter the clear ip vrrp-stat command at the Privileged EXEC lev el or any configuration level of the CLI.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 457 53-1002603-01 Displaying VRRP and VRRP-E information T o display utilization statistics for a specific number of seconds, enter a command such as the follo wing. In the follo wing output example, IPv6 protoc ols are also displayed f or a specific number of seconds.
458 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Displaying VRRP and VRRP-E information for IPv6 Displaying VRRP and VRRP-E information for IPv6 Y ou can display inf ormation fo r IPv6 VRRP or VRRP-E v3.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 459 53-1002603-01 Displaying VRRP and VRRP-E information for IPv6 Syntax: show ipv6 vrrp brief | ethernet stack-unit/slotnum/por tnum | stat [ ethe.
460 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples Configuration examples The following sections contain the CLI comman ds for implementing the VRRP and VRRP-E configurations shown in Figure 3 1 on page 4 13 and Figure 32 on page 4 19.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 461 53-1002603-01 Configuration examples NOTE When you configure a Backup r outer , the r outer int er face on which you are c onfiguring the VRID mus t have a re al I P ad dr ess th at i s in the sa me subnet as the address associat ed with the VRID by the Owner .
462 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples NOTE The address you enter with the ip-address command cannot be the sa me as a real IP address configu red on the inter face. Configuring Switch 2 T o configure Switch 2, enter the f ollowing commands.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 463 53-1002603-01 Configuration examples Syntax: ip-address ip-addr Syntax: activat e.
464 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 Configuration examples.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 465 53-1002603-01 Index Numerics 31-bit su bnet mask , 23 A access policies, ACL and IP , 10 ACL and IP access policies , 10 deny | permit , 199 us.
466 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 displaying dynamic refresh information , 395 displaying filtered routes , 392 displaying graceful rest art neighbor information ,.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 467 53-1002603-01 clear ip ospf topology , 213 clear ip route , 124 clear ip tunnel , 112 clear ip vrrp-stat , 456 clear ipsec statistics , 254 cle.
468 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 match ip rout e-source , 346 maximum-paths , 307 med-missing-as-worst , 317 metric-type , 207 , 237 mtu-exceed , 29 multipath ebg.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 469 53-1002603-01 show ipv6 ospf virtual-li nk , 273 show ipv6 ospf virtual- neighbor , 273 show ipv6 rip , 164 show ipv6 rip route , 165 configura.
470 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 parameters , 59 Interface dhcp-gateway-list , 95 interface loopback , 292 interface ve , 22 ip address , 20 ip arp-age , 37 ip bo.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 471 53-1002603-01 enabling multicast ro uting on GRE tunnels , 106 GRE packet , 95 multicast routing over GRE tunnels , 97 point-to-point GRE tunne.
472 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 designated routers in multi-acc ess networks , 170 disabling or re-enabling load sharing , 202 displaying ABR information , 225 d.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 473 53-1002603-01 P packet parameters, configuring , 28 path MTU discovery , 96 R Reverse Address Resolu tion Proto col (RARP) changing the maximum.
474 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 redistribute static , 332 redistribution , 138 , 148 , 196 , 201 rfc1583-compatibility , 210 router vrrp , 461 slow-start , 441 s.
Brocade ICX 6650 Layer 3 Routing Configuration Guide 475 53-1002603-01 show ip ospf routes , 220 show ip ospf trap , 225 show ip ospf virtual-link , 224 show ip ospf virtual-neighbor , 224 show ip pim.
476 Brocade ICX 6650 Layer 3 Routing Configuration Guide 53-1002603-01 additional configuration , 432 archtectural differences between VRRP-E , 421 authentication , 416 authentication types , 433 back.
An important point after buying a device Brocade Communications Systems ICX 6650 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Brocade Communications Systems ICX 6650 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Brocade Communications Systems ICX 6650 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Brocade Communications Systems ICX 6650 you will learn all the available features of the product, as well as information on its operation. The information that you get Brocade Communications Systems ICX 6650 will certainly help you make a decision on the purchase.
If you already are a holder of Brocade Communications Systems ICX 6650, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Brocade Communications Systems ICX 6650.
However, one of the most important roles played by the user manual is to help in solving problems with Brocade Communications Systems ICX 6650. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Brocade Communications Systems ICX 6650 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
