Instruction/ maintenance manual of the product BC-281 Cisco Systems
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BC-281 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Configuring Data-Link Switching Plus This chapter describes ho w to conf igure data-link sw itching plus (D LSw+), Cisco’ s implementation of the DLSw standard for Systems Network Architect ure (SN A) and NetBIOS de vices.
Configuring Data-Link Switching Plus Technology Overview BC-282 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 DLSw Standard The DLSw standard, documented in RFC 1795 , defi nes the switch-to-switch protocol between DLSw routers.
Configuring Data-L ink Switching Plus Technology Overview BC-283 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 UDP Unicast DLSw V ersion 2 uses UDP unicast in response to an IP multicast.
Configuring Data-Link Switching Plus Technology Overview BC-284 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 • UDP unicast support • Load balancing • Support for LLC1 .
Configuring Data-L ink Switching Plus Technology Overview BC-285 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 127 LLC2 Session without Local Acknowledgment On backbo.
Configuring Data-Link Switching Plus Technology Overview BC-286 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Enabling local ackn owledgment for LLC2 has t he following adv antages: • Local ackno wledgment for LLC2 solves the T1 ti mer problem without having to change any configuration on the end nodes.
Configuring Data-L ink Switching Plus Technology Overview BC-287 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 If you are using NetBIOS applications, note that there are two NetBIOS timers—o ne at the link le vel and one at th e next higher le vel.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-288 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 129 VDLC Interaction with Higher -La yer Prot o.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-289 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Defining a DLSw+ Remote Peer Defin ing a remote peer in DLSw+ is optional, ho we ver , usually at least one side of a peer co nnection has a dlsw remote-peer statemen t.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-290 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 TCP/IP with RIF Passthrough Encapsulation T o configur.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-291 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Direct Encapsulation T o configure direct encapsulat.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-292 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Mapping DLSw+ to a Local Data-Link Control In addition.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-293 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Ethernet T raff ic that origina tes from Ethe rnet is picked up from the local Ethernet interface bridge group and transported across th e DLSw+ network.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-294 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Use the default option if you ha ve more than 10 SDLC d evices to attach to the DLSw+ n etwork.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-295 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 • Remote X.25-attached SNA de vices can acce ss an FEP or an AS/400 over a T oken Ring or o ver SDLC.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-296 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 • Modes of Operation, page 306 ⎯ Dynamically detects the capabilities of the peer rout er and operates according to those capabili ties.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-297 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 The DLSw+ Peer Clusters fe ature is configured l ocally on the member peer or on a border peer .
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-298 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 T o define peer groups, conf igure border peers and a .
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-299 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 T o configure peer -on-demand defaults, use the fo l.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-300 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 T o display the contents of the reachabili ty caches, use the followi ng command in privile ged EXEC command mode: Use the group k eyword to display th e reachability information for the bord er peer .
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-301 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 SNA Dial-on-Demand Routing This feature allo w s you to run DLSw+ over a switch ed line and ha ve the Cisco IOS software tak e the switched line do wn dynamically when it is not in use.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-302 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 LLC1 Circuits Support for LLC1 circuits more ef ficiently transp orts LLC1 UI traff ic across a DLSw+ cloud.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-303 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 T o c onfigure promiscuous p eer defaults, use the f.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-304 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 For multiple peer connections, peer costs must be applied. The DLSw+ Enhanced Load Balancing feature works only with the lo west (or equal) cost peers.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-305 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Ethernet Redundancy The DLSw+ Ethernet Redundanc y feature, introdu ced in Cisco IOS Release 12.0(5)T , provides redundanc y and load balancing betw een multiple DLSw+ peers in an Ethernet en vironment.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-306 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Note If the linger ke yword is set to 0, all e xisting sessions on the backup router immediately drop when the primary recove rs.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-307 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Network Management There are se v eral network management tools a vailable t o the user to help them more easily manage and troubleshoot their DLSw+ netw ork.
Configuring Data-Link Switching Plus DLSw+ Configuration Task List BC-308 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 130 Mapping T raf fic Using Por t Lists The defi nition of a port list is optio nal. If you want all peers and all interf aces to receiv e all traff ic, you do not ha ve to defi ne a port list.
Configuring Data-L ink Switching Plus DLSw+ Configuration Task List BC-309 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Static Paths Static path def initions allo w a router to setup circui ts without send ing explorers. The path specif ies the peer to use to access a MAC address or NetBIOS name.
Configuring Data-Link Switching Plus Verifying DLSw+ BC-310 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Configuring DLSw+ Timers T o configure DLSw+ timers, use th e follow.
Configuring Data-L ink Switching Plus Monitoring and Maintaining th e DLSw+ Network BC-311 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Alternately , to verify that DLSw+ i.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-312 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 See the DLSw+ Design and Im plementation Guide “Using Sho w and Debug Commands” chapter and the Cisco IOS Bridging and IBM Networ king Command Refer ence (V olume 1 of 2) for details of the commands.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-313 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 131 illu strates a DLSw+ configuration with local ackn owledgment. Because the RIF is terminated, the ring group numbers do not have to be the same.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-314 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 DLSw+ Using TCP Encapsulation with Local Acknowledgment—Peer Group Configuration Example 1 Figure 132 illustrates border peers with TCP encapsula tion.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-315 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 ! interface serial 0 ip unnumbered tokenring 0 bandwidth 56 ! interface tokenring 0 ip address 128.207.150.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-316 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 DLSw+ Using TCP Encapsulation with Local Acknowledgment—Peer Group Configuration Example 2 Figure 133 illust rates a peer group confi guration that allo ws an y-to-any connection e xcept for Router B.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-317 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 dlsw local-peer peer-id 150.150.98.1 group 2 dlsw remote-peer 0 tcp 150.150.100.1 ! interface loopback 0 ip address 150.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-318 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 no ip address ring-speed 16 source-bridge 92 1 2000 source-bridge spanning ! .
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-319 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 clockrate 19200 sdlc role primary sdlc vmac 4000.1234.5600 sdlc address C1 sdlc xid C1 05DCCCC1 sdlc partner 4001.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-320 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Router A source-bridge ring-group 1111 dlsw local-peer peer-id 10.2.2.2 dlsw remote-peer 0 tcp 10.1.1.1 interface loopback 0 ip address 10.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-321 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 dlsw bridge-group 5 ! interface loopback 0 ip address 128.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-322 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 interface fddi 0 no ip address source-bridge 26 1 10 source-bridge spanning Router B source-bridge ring-group 10 dlsw local peer peer-id 132.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-323 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 ! interface loopback 0 ip address 150.150.10.2 255.255.255.0 interface serial 8 ip address 150.150.11.2 255.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-324 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 source-bridge spanning ! router eigrp 202 network 150.150.0.0 DLSw+ over Frame Relay Configuration Example Frame Relay support e xtends the DLSw+ capabilities to include Frame Relay in direct mode.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-325 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 interface serial 0 mtu 3000 no ip address encapsulati.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-326 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Example 3 In this e xample, two dif ferent X.25 resources want to communicate ove r X.25 to the same FEP .
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-327 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 DLSw+ with Enhanced Load Balanc ing Configuration Example Figure 140 sho ws DLSw+ w ith the Enha nced Load B alancing feature.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-328 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 DLSw+ Peer Cluster Feature Configuration Example Figure 141 sho ws a DLSw+ network configured with the DLSw+ Peer Clusters feature.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-329 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 DLSW+ RSVP Bandwidth Reservation Feature Configuration Example Figure 142 sho ws a DLSw+ netw ork with the DLSw+ RSVP Bandwidth Reservatio n feature conf igured.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-330 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 DLSw+ RSVP Bandwidth Reservation Feat ure with Border Peers Configuration Example Figure 143 sho ws a DLSw+ border peer network co nfigured with DLSw+ RSVP .
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-331 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 The follo wing output of the show ip rsvp r es comman.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-332 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 dlsw remote-peer 0 tcp 10.1.17.1 interface loopback 0 ip address 10.2.24.3 255.255.255.0 int e1 ip address 150.
Configuring Data-L ink Switching Plus DLSw+ Configuration Examples BC-333 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Router A dlsw local peer peer-id 10.2.17.1 dlsw remote-peer 0 tcp 10.3.2.1 dlsw transparent switch-support interface loopback 0 ip address 10.
Configuring Data-Link Switching Plus DLSw+ Configuration Examp les BC-334 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02.
An important point after buying a device Cisco Systems BC-281 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems BC-281 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 Cisco Systems BC-281 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems BC-281 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems BC-281 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems BC-281, 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 Cisco Systems BC-281.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems BC-281. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems BC-281 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
