NETGEAR RT210 Network Router manual

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Part No. M-RT210NA-0 August 1996 NETGEAR NETGEAR , Inc. A Bay Networks Company 48015 Warm Springs Blvd. Fremont, CA 94539 USA Ref erence Guide f or the Model R T210/R T211 ISDN Router s NGRRT210.

ii © 1996 by NETGEAR, Inc. All rights reserved. T rademarks NETGEAR, FirstGear , Nautica, and Bay Networks are trademarks of Bay Networks, Inc. Other brand and product names are registered trademarks or trademarks of their respecti ve holders.

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iii Certiﬁcate of the Manufacturer/Impor ter It is hereby certiﬁed that the NETGEAR Model R T210 and Model R T211 ISDN routers have been suppressed in accordance with the conditions set out in the BMPT -AmtsblVfg 243/1991 and Vfg 46/1992.

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iv NGRRT210.BK Page iv Friday, October 17, 1997 2:37 PM.

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Contents v Contents Preface Pur pose ........................................................................................................................... xv A udience .............................................................................

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vi Contents Using PPP to Connect to Other De vices .................................................................. 1-7 Multilink PPP ..................................................................................................... 1-7 P assw ord Authentication Protocol .

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Contents vii Connecting to Another NETGEAR or Ba y Networ ks Nautica Router ..................... 3-10 Connecting to a Router Using P oint-to-P oint Protocol ........................................... 3-11 Conﬁguring a PPP Path ....................

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viii Contents Chapter 5 T roub leshooting Using the T race Window to Display System Messages .................................................. 5-1 Understanding the ISDN Clearing Codes .................................................................

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Contents ix Appendix D Upgrading Software Obtaining the Latest V ersion of Software ....................................................................... D-1 Upgrading Through a PC ....................................................................

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x Contents NGRRT210.BK Page x Friday, October 17, 1997 2:37 PM.

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Figures xi Figures Figure 2-1. Router connections .................................................................................. 2-6 Figure 2-2. Connecting the NETGEAR Model R T210 router to ISDN in Nor th America .................................

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xii Figures NGRRT210.BK Page xii Friday, October 17, 1997 2:37 PM.

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Tables xiii T ables T able 2-1. Router LED ............................................................................................ 2-12 T able 3-1. K ey character commands ........................................................................ 3-2 T able 3-2.

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Preface xv Preface Congratulations on your purchase of the NETGEAR ™ Model R T210 ISDN router or the Model R T211 ISDN router . The routers are part of the NETGEAR 200 Series router product family .

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Reference Guide for the Model RT210/RT211 ISDN Routers xvi Preface Con ventions This section describes the con ventions used in this guide. Special Message Formats This guide uses the follo wing forma.

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Reference Guide for the Model RT210/RT211 ISDN Routers Preface xvii Other Con ventions This guide uses the follo wing typographical conv entions: italics Book titles and UNIX ﬁle, command, and directory names. courier font Screen text, user -typed command-line entries.

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Reference Guide for the Model RT210/RT211 ISDN Routers xviii Preface Customer Suppor t For assistance with installing and conﬁguring your NETGEAR system or with post-installation questions or problems, contact your point of purchase representati ve.

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Introduction 1-1 Chapter 1 Intr oduction This chapter describes the features of the NETGEAR Model R T210 and Model R T211 ISDN routers and discusses planning considerations for installation. About the Router The Model R T210 and Model R T211 routers are remote routers that transport data from one network to another through wide area connections.

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Reference Guide for the Model RT210/RT211 ISDN Routers 1-2 Introduction Ke y Features The NETGEAR Model R T210 and Model R T211 ISDN routers provide the follo wing features: • Standard Basic Rate IS.

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Reference Guide for the Model RT210/RT211 ISDN Routers Introduction 1-3 ISDN Suppor t The Model R T210 and Model R T211 routers are designed to take adv antage of ISDN for transmission of data ov er digital telephone networks. ISDN allo ws the telephone networks to carry data, voice, and video along the same cables.

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Reference Guide for the Model RT210/RT211 ISDN Routers 1-4 Introduction If you are a MA C, UNIX, or PC user , you can connect to the built-in interface which can be accessed through a terminal connected to the Manager port or through a T elnet session across the network.

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Reference Guide for the Model RT210/RT211 ISDN Routers Introduction 1-5 T o work effecti vely , routers gather information about the networks connected to them and update the other routers on the network with this information.

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Reference Guide for the Model RT210/RT211 ISDN Routers 1-6 Introduction Using ISDN as the connection medium adds another circuit state to the equation. The connection can be functioning, but no data or routing updates are being passed because the call is currently closed.

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Reference Guide for the Model RT210/RT211 ISDN Routers Introduction 1-7 Using Subaddressing and Multiple Subscriber Numbering If the NETGEAR Model R T210 router shares an ISDN line with other ISDN devices, the router must identify and route incoming calls.

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Reference Guide for the Model RT210/RT211 ISDN Routers 1-8 Introduction P asswor d Authentication Pr otocol The Passw ord Authentication Protocol (P AP) is the simplest method of enabling security on PPP links. When the link is being set up, the Peer (caller) sends its Name and Password to the Authenticator .

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Installing and Connecting 2-1 Chapter 2 Installing and Connecting This chapter provides instructions on installing the Model R T210 or Model R T211 router and connecting to the built-in interf ace through a serial or T elnet connection.

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-2 Installing and Connecting • 9-pin D-connector to 25-pin D-connector adapter • RJ-45 two-way splitter • This guide • Getting Started Using FirstGear • T wo 3.

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-3 ISDN Services Checklist The follo wing requirements must be met if you connect your router to other routers through ISDN. European Services • Y our ISDN circuit should conform to EURO-ISDN, NET3, or I-CTR3 standards.

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-4 Installing and Connecting Netw ork Chec klist Networks connected through the router must be properly conﬁgured. The Model R T210 and Model R T211 routers route through TCP/IP protocol only .

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-5 2. A pply the appropriate feet (rubber or V elcro) to the bottom of your r outer as follo ws: a. Peel the back fr om each foot. b. A pply one to each of the four marked locations on the bottom of y our router .

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-6 Installing and Connecting Key : 1 Router 2 RJ-45 two-wa y splitter 3 Station (PC , Macintosh, or UNIX workstation) 4 ISDN wall connection 5 A.

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-7 3. Connect the cables and power to the appr opriate ports on the back panel of the router , as illustrated in Figur e 2-1 : a. Connect the A C power adapter (5) to the 9v-DC port.

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-8 Installing and Connecting Connecting to ISDN in North America Y our location is connected to the central switch at the telephone company by a two-wire U interface, like the interf ace that is provided on the Model R T211 ISDN router .

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-9 Key : 1 Model R T210 ISDN router 2 ISDN cab le 3 S/T interf ace 4 U interf ace 5 NT1 de vice 6 ISDN w all connection Figure 2-2. Connecting the NETGEAR Model RT210 r outer to ISDN in Nor th America LAN ISDN VOICE 9v DC 1 6 4 5 3 7288 2 NGRRT210.

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-10 Installing and Connecting Connecting to a Hub Y our router can be connected to a hub as illustrated in Figure 2-3 , where a router is integrated with the NETGEAR Model EN108 10B ASE-T hub .

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-11 2. Position the switch on the 10B ASE-T Ethernet port on y our hub to the uplink (or MDI) position. 3. Connect the twisted-pair LAN cable from the 10B ASE-T Ethernet uplink port on y our hub to the TP port on the RJ-45 two-way splitter .

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Reference Guide for the Model RT210/RT211 ISDN Routers 2-12 Installing and Connecting T able 2-1 describes the LED activity that sho ws the status of the router .

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Reference Guide for the Model RT210/RT211 ISDN Routers Installing and Connecting 2-13 Connecting Through a Serial P or t For terminal emulation from a PC, you can use either Microsoft T erminal under W indo ws 3.1, or HyperT erminal under Windo ws 95.

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Configuring the Router 3-1 Chapter 3 Conﬁguring the Router This chapter contains information about conﬁguring your router through the built-in interf ace Quick Setup or Basic Setup. Conﬁguration Methods If you are using a PC, you hav e two options to conﬁgure your router , either through FirstGear or through the built-in interf ace.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-2 Configuring the Router Using the Commands in the Interface When using the Quick Setup in the built-in interf ace, you are prompted as you move through the screens.

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-3 T able 3-3. Control c haracter commands Control Character(s) Action in the menu Action in the form [Cntl]+ A Same as in the f orm. T oggles VT100/T elevideo T er minal Mode.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-4 Configuring the Router Using the Built-in Interface Quic k Setup When using the built-in interf ace Quick Setup, you are prompted to: • Nam.

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-5 d. Enter P ASSWORD . P ASSWORD must be typed within the brackets on the screen. Y ou must enter the password in all uppercase letters in order to proceed. e. Enter Y when you ar e asked if you want to run Quick Setup.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-6 Configuring the Router 8. Enter Y when y ou are asked if y ou want to use PPP . Use PPP unless you are only calling other NETGEAR routers. 9. Enter the phone number y our router is calling when you ar e asked to enter the remote ISDN number to dial.

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-7 Using the Built-In Interface Basic Setup This section sho ws you how to: • Name the router • Enter the network add.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-8 Configuring the Router Naming the Router T o name your router, follo w these steps: 1. Enter CO to display the Conﬁguration Menu. 2. Enter SYS to display the Update System Parameters scr een.

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-9 Conﬁguring the ISDN Line If you are in an area other than North America, skip this section. For information that assists you in conﬁguring your ISDN line, refer to Appendix C, “Ordering ISDN Lines .

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-10 Configuring the Router Connecting to Another NETGEAR or Ba y Netw orks Nautica Router The Nautica™ Series routers include the Xylogics CLAM™ and MARLIN™ routers. Use the follo wing procedure if you are connecting your unit to another NETGEAR or Nautica Series router .

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-11 Connecting to a Router Using P oint-to-P oint Pr otocol Point-to-Point Protocol (PPP) is a standard means of transporting multiprotocol datagrams ov er point-to-point links and has been adopted as a method of interoperation between dif ferent manufacturers.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-12 Configuring the Router T o ensure that the router knows that routes are learned ov er an ISDN path, you must enter an ISDN number in the conﬁguration path. An y routes learned through this path are displayed with an I after the routing protocol R (RIP) in the routing table display .

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-13 7. Press [Cntl]+E to apply the changes. 8. Enter SA VE to sa ve the changes. 9. Enter ST A T ISDN to display the ISDN Port Status menu. 10. T ype CALL and the ISDN phone number .

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-14 Configuring the Router Operating with a Single IP Address Many Internet service pro viders (ISPs) supply a single 32 bit host address to the user instead of a netmask address.

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Reference Guide for the Model RT210/RT211 ISDN Routers Configuring the Router 3-15 When you set the MinBandwidth parameter to a multiple of 64,000 bps, ISDN calls are made as soon as the path is set up and until the bandwidth requirement is met.

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Reference Guide for the Model RT210/RT211 ISDN Routers 3-16 Configuring the Router When an ISDN line has MSN enabled, a range of numbers is assigned to that line. The service provider usually pro vides ten. A number could be from 1 to 9 digits depending on the service.

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Menus and Commands 4-1 Chapter 4 Menus and Commands The NETGEAR Model R T210 and Model R T211 ISDN routers hav e a built-in software management system that allo ws you to conﬁgure and manage your router . This section sho ws the menu hierarchy and describes the menus and forms.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-2 Menus and Commands Figure 4-1. Main Menu As illustrated in Figure 4-1 , the Main Menu provides the follo wing commands: • CONFIG CONFIG provides access to the conﬁguration f acilities within the management system.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-3 Figure 4-2 illustrates the built-in interf ace menu hierarchy . Figure 4-2.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-4 Menus and Commands Using the CONFIG Command The CONFIG command allo ws you to set general conﬁguration parameters. When you type this command in the Main Menu, the Conﬁguration Menu is displayed.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-5 • IP This command lets you conﬁgure the IP routing table. • PPP This command lets you conﬁgure the operating mode of the custom point-to-point protocol connection.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-6 Menus and Commands Using the Conﬁgure P aths Menu Through se v eral menus and forms, the path management screens assist you in connecting through ISDN, setting up protocols, conﬁguring paths, and calling other de vices.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-7 • CALL Highlight the required path and type CALL or type CALL [path name] to establish the path. Y ou can also make switched circuit calls by typing CALL [circuit/telephone number] from anywhere e xcept this menu.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-8 Menus and Commands • IP Addr&Mask Allo ws entry of the IP address and number of subnet mask bits for this interface. If a subnet mask is not speciﬁed, the unit adds the default mask for the class of address conﬁgured.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-9 • MinBandwidth (bps) The minimum bandwidth that should be allocated to this path. A value of 0 initially uses the single channel capacity . Other values may cause the unit to mak e additional switched calls until the requirement is met for this path.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-10 Menus and Commands • IP Addr&Mask Allo ws entry of the IP address and number of netmask bits for this interface for numbered links. If a netmask is not speciﬁed, the unit adds the default mask for the class of address conﬁgured.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-11 Using the Conﬁgure P or ts Men u The port conﬁguration screens assist you in conﬁguring and updating the ports.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-12 Menus and Commands • MSN If Multiple Subscriber Numbering is in use, the number assigned to this unit must be entered here. Default: None • SubAddr If Subaddressing is in use, the subaddress number assigned to this unit must be entered here.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-13 • PPPProf This proﬁle determines the operating mode of PPP for incoming connections on this port and must match the proﬁle that is conﬁgured on the appropriate path.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-14 Menus and Commands Using the Update IP Routes Form Y ou can Update IP Routes by using the IP Routes form. Follo wing are the menu command options and functions provided by the Update IP Routes form: • Destination The destination network or host IP address and subnet bits.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-15 • LCP Negotiate Determines whether the PPP LCP (Link Control Protocol) can negotiate the supported options with the remote system.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-16 Menus and Commands • ML Encapsulation Enables a v ariation of Multilink for implementation for particular vendors.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-17 • ARP Displays the address resolution table. • ISDN Displays the ISDN ports call status.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-18 Menus and Commands Viewing IP Status Follo wing are the viewing options pro vided by the IP Status Menu: •I D This is a number assigned by the system. • Dest For each IP connection, the destination IP address is sho wn.

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-19 •M A C The physical MA C address of the device. If this entry is blank, the de vice is on a remote network. If the entry is “aaaaaaaaaaaa, ” an ARP request has been sent but no response has yet been recei ved.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4-20 Menus and Commands •T O T A L The total duration of all calls for this entry . • MIN The shortest duration call for this entry . • MAX The longest duration call for this entry . • NUM-CALLS The total number of calls for this entry .

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Reference Guide for the Model RT210/RT211 ISDN Routers Menus and Commands 4-21 •- N Number of times to send the echo request packet. [4] •- T T ransmit packets continuously . Halt with space bar . •- W T ime to wait for a response (range 1 to 3276).

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Troubleshooting 5-1 Chapter 5 T r oubleshooting This chapter provides a description of the command line utilities and a guide to troubleshooting the router . Using the T race Window to Displa y System Messages The T race W indow displays messages that sho w how the internal processes of the unit are performing.

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Reference Guide for the Model RT210/RT211 ISDN Routers 5-2 Troubleshooting The T race W indow cannot be accessed by more than one “manager” (built-in interf ace) at a time. An example of multiple accessing is connecting at the same time by a serial connection and by T elnet, or connecting at the same time with two T elnet calls.

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Reference Guide for the Model RT210/RT211 ISDN Routers Troubleshooting 5-3 For a list of the internal ISDN call clearing codes generated by the BRI terminal adapter , refer to T able 5-2 .

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Reference Guide for the Model RT210/RT211 ISDN Routers 5-4 Troubleshooting T roubleshooting Y our ISDN Line Correct provisioning of your ISDN line is important.

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Reference Guide for the Model RT210/RT211 ISDN Routers Troubleshooting 5-5 Using the Ping Utility to T roub leshoot a TCP/IP Netw ork Most TCP/IP terminal de vices and routers contain a Ping utility that sends an echo request packet to the designated de vice.

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Reference Guide for the Model RT210/RT211 ISDN Routers 5-6 Troubleshooting • Wrong network conﬁguration T o make sure that your network is conﬁgured correctly , do the following: a. Make sur e that the Ethernet card driver softwar e on your PC and the TCP/IP software ar e both installed and conﬁgured.

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Reference Guide for the Model RT210/RT211 ISDN Routers Troubleshooting 5-7 • Line conﬁguration T o make sure that your line conﬁguration is correct: a. Check to see whether the LED on the router r emains steady or only blinks once and then remains steady f or several seconds.

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Reference Guide for the Model RT210/RT211 ISDN Routers 5-8 Troubleshooting T esting the Full P ath from Y our PC to a Remote De vice After verifying that the LAN path and the remote path are set up correctly , test the full path from your PC to a remote de vice.

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Technical Specifications A-1 Appendix A T echnical Speciﬁcations This appendix provides technical speciﬁcations for the NETGEAR Model R T210 and Model R T211 ISDN routers.

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Reference Guide for the Model RT210/RT211 ISDN Routers A-2 Technical Specifications Physical Speciﬁcations Dimensions: 131 x 138 x 39 mm (5.1 x 5.4"x 1.

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TCP/IP Routing B-1 Appendix B TCP/IP Routing This Appendix provides information on the T ransmission Control Protocol/Internet Protocol (TCP/IP). TCP/IP is the name of communications protocols used to connect computers and data communications equipment into computer networks.

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Reference Guide for the Model RT210/RT211 ISDN Routers B-2 TCP/IP Routing Figure B-1. Three main address c lasses Class A addresses can have up to 16,777,214 hosts on a single netw ork. They use an 8 bit network number and a 24 bit node number . Class A addresses are in the range 001.

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Reference Guide for the Model RT210/RT211 ISDN Routers TCP/IP Routing B-3 Subnet Addressing By looking at the addressing structures, you can see that e ven with a Class C address, there are a large number of hosts per netw ork. Such a structure is an inef ﬁcient use of addresses if each end of a routed link requires a dif ferent network number .

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Reference Guide for the Model RT210/RT211 ISDN Routers B-4 TCP/IP Routing Address Resolution An IP address alone cannot be used to deli v er data from one device to another on a LAN. In order for data to be sent from one point in the network to a destination else where, we must con v ert the IP address.

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Reference Guide for the Model RT210/RT211 ISDN Routers TCP/IP Routing B-5 Routing IP Over ISDN The NETGEAR Model R T210 and Model R T211 ISDN routers are able to connect to other networks using ISDN just as if the network were attached with a leased line.

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Reference Guide for the Model RT210/RT211 ISDN Routers B-6 TCP/IP Routing Connecting to Other Routers When connecting LANs together , you might require each end of the W AN link to be attached to a router from a dif ferent manufacturer .

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Ordering ISDN Lines C-1 Appendix C Or dering ISDN Lines This appendix provides you with information you need before you order a basic rate ISDN line. Or dering an ISDN Line Before ordering an ISDN line, there are se veral things you should know about the dif ferent kinds of services and the many options that are a vailable.

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Reference Guide for the Model RT210/RT211 ISDN Routers C-2 Ordering ISDN Lines Connecting to ISDN in Nor th America National ISDN is a series of standards designed to make it easier to order ISDN services from your telephone company . The National ISDN (NI) standards published by Bellcore are kno wn as NI-1, NI-2, and NI-3.

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Reference Guide for the Model RT210/RT211 ISDN Routers Ordering ISDN Lines C-3 Switch T ypes Even with the de velopment of National ISDN, it is still necessary to kno w what kind of switch your telephone company uses locally , because National ISDN is still not av ailable everywhere.

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Reference Guide for the Model RT210/RT211 ISDN Routers C-4 Ordering ISDN Lines National ISDN Service P ac kages National ISDN service packages determine what combination of features your telephone company provides on your ISDN line.

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Reference Guide for the Model RT210/RT211 ISDN Routers Ordering ISDN Lines C-5 — Flexible calling features This feature handles such things as call holding, call transfer , and conference calling. See the documentation for your phone for further details.

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Reference Guide for the Model RT210/RT211 ISDN Routers C-6 Ordering ISDN Lines Connecting to ISDN in Eur ope ISDN has been av ailable for a number of years in Europe, but a standard has no w been agreed upon.

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Reference Guide for the Model RT210/RT211 ISDN Routers Ordering ISDN Lines C-7 Line Or dering Summar y f or European User s When ordering your ISDN line, you should do the follo wing: 1. Call y our telephone company and ask what type of ISDN service is available in y our area.

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Upgrading Software D-1 Appendix D Upgrading Software This appendix gi ves you instructions on how to install the latest v ersion of internal software through a locally attached PC or from a remote router of the same type.

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Reference Guide for the Model RT210/RT211 ISDN Routers D-2 Upgrading Software Upgrading Thr ough a PC Upgraded routing software can be installed by connecting a computer to your router through a LAN connection.

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Reference Guide for the Model RT210/RT211 ISDN Routers Upgrading Software D-3 4. Connect to the built-in interface and type BOO TMODE on the command line to place the router in the updating state. Alternati v ely , turn on the power with pins 7 and 8 of the LAN interface shorted.

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Reference Guide for the Model RT210/RT211 ISDN Routers D-4 Upgrading Software Upgrading the T erminal Adapter Code T o display the version of the T A code, from the manager command prompt, issue the follo wing commands: 1. T ype %T A% 1 60 and press enter twice.

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PPP Authentication Profiles E-1 Appendix E PPP A uthentication Pr oﬁles This appendix gi ves you information on determining Point-to-Point Protocol (PPP) proﬁles when conﬁguring your router .

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Reference Guide for the Model RT210/RT211 ISDN Routers E-2 PPP Authentication Profiles Use T able E-1 through T able E-4 to determine the appropriate PPP proﬁle for your router based on security le vel, features, and the type of the connecting router .

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Reference Guide for the Model RT210/RT211 ISDN Routers PPP Authentication Profiles E-3 T able E-3. PPP custom authentication proﬁles f or NETGEAR, Nautica, and Ba y products Operating Mode Custom De.

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Reference Guide for the Model RT210/RT211 ISDN Routers E-4 PPP Authentication Profiles T able E-4. PPP authentication proﬁles f or other manufacturers Manufacturer Operating Mode A uthentication Pro.

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Glossary 1 Glossary 10B ASE-T 10 Mbps Ethernet ov er twisted pair wiring. B channel A 64 KBps “Bearer” channel used to carry voice or data o ver the ISDN network. BRI The ISDN Basic Rate Interface, composed of two B channels and one D channel. CLI See Caller Line Identiﬁcation.

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Reference Guide for the Model RT210/RT211 ISDN Routers 2 Glossary ISDN See Integrated Services Digital Netw ork. ISP Internet Service Provider . Integrated Services Digital Network A digital telephone netw ork for transmission of voice and data. Internet P acket Exc hang e Nov ell’ s internetworking protocol.

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Reference Guide for the Model RT210/RT211 ISDN Routers Glossary 3 NT1 Network T ermination 1 T ermination device that connects the user’ s equipment to the ISDN network. Con verts the local equipment’ s four-wire S/T interface to the two-wire telephone compan y interface.

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Reference Guide for the Model RT210/RT211 ISDN Routers 4 Glossary Service Proﬁle Identiﬁer A number assigned by the telephone company to an attached de vice, used to identify the characteristics of that de vice. subnet mask A number that explains which part of an IP address comprises the network address and which is a subnet of host addresses.

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