3Com Router 5000 6000 Configuration Guide

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3Com Router 5000/6000 Family Configuration Guide

Router 5012 (3C13701) Router 5232 (3C13751) Router 5642 (3C13755) Router 5682 (3C13701) Router 6040 (3C13840) Router 6080 (3C13880)

www.3Com.com Part Number: 10015622 Rev. AC Published: October 2007

3Com Corporation 350 Campus Drive Marlborough, MA USA 01752-3064

Copyright 20062007, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation. 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change. 3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time. If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you. UNITED STATES GOVERNMENT LEGEND If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following: All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as Commercial Computer Software as defined in DFARS 252.227-7014 (June 1995) or as a commercial item as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Coms standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. 3Com and the 3Com logo are registered trademarks of 3Com Corporation. Cisco is a registered trademark of Cisco Systems, Inc. Funk RADIUS is a registered trademark of Funk Software, Inc. Aegis is a registered trademark of Aegis Group PLC. Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd. IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Inc. All other company and product names may be trademarks of the respective companies with which they are associated. ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: Establishing environmental performance standards that comply with national legislation and regulations. Conserving energy, materials and natural resources in all operations. Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental standards. Maximizing the recyclable and reusable content of all products. Ensuring that all products can be recycled, reused and disposed of safely. Ensuring that all products are labelled according to recognized environmental standards. Improving our environmental record on a continual basis. End of Life Statement 3Com processes allow for the recovery, reclamation and safe disposal of all end-of-life electronic components. Regulated Materials Statement 3Com products do not contain any hazardous or ozone-depleting material. Environmental Statement about the Documentation The documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free. The varnish is environmentally-friendly, and the inks are vegetable-based with a low heavy-metal content.


ABOUT THIS GUIDEOrganization of the Manual 21 Intended Readership 22 Conventions 22 Related Documentation 24

1 SYSTEM MANAGEMENT OVERVIEW 2 SYSTEM MAINTENANCE MANAGEMENTAuto-config 27 Maintenance and Debugging Function 35 Information Center 40 Identifying and Diagnosing Pluggable Transceivers


3 AUTO DETECT CONFIGURATIONIntroduction to Auto Detect 53 Basic Auto Detect Configuration 53 Application of Auto Detect in Static Routing 55 Application of Auto Detect in VRRP 56 Application of Auto Detect in Interface Backup 58

4 HWPING CONFIGURATIONSIntroduction to HWPing 61 HWPing Configurations 61 Executing Test 74 Displaying and Debugging HWPing 75 Typical HWPing Configuration Example 75

5 FILE MANAGEMENTFile System 85 File System Checking Configuration 88 FTP Configuration 89 TFTP Configuration 95 Xmodem Configuration 99 Configuration File Management 100



6 USER INTERFACE CONFIGURATIONUser Interface Overview 105 User Interface Configuration 106 Displaying and Debugging 114

7 USER MANAGEMENTUser Management Overview 115 User Management Configuration 116 Displaying User Information 119 Typical Example of User Management 120

8 NTP CONFIGURATIONBrief Introduction 121 NTP Configuration 123 Displaying and Debugging 130 NTP Typical Configuration Examples


9 SNMP CONFIGURATIONProtocol Introduction 143 SNMP Configuration 144 Displaying and Debugging 151 Example of Typical Configuration


10 BIMS CONFIGURATIONIntroduction to BIMS 155 BIMS Configuration 156 Debugging BIMS 159 BIMS Configuration Example


11 RMON CONFIGURATIONIntroduction 161 RMON Configuration 162 RMON Configuration Example


12 TERMINAL SERVICESTerminal Services Overview 167 Console Terminal Services 167 Remote Terminal Services on AUX Port Telnet Terminal Services 169 PAD Terminal Services 178 SSH Configuration 179 SFTP Service 194 Dumb Terminal Service 200 Remote Shell Service 203




Rlogin Terminal Service Connectivity


13 POS TERMINAL ACCESSIntroduction to POS Terminal Access 209 POS Terminal Access Configuration 214 Configuring POS Access in Asynchronous or TCP/IP Connection Mode Displaying and Debugging POS Terminal Access 222 POS Terminal Access Configuration Example 223


14 HDLC OVER UDPIntroduction to HDLC over UDP 231 Work Mechanism of HDLC over UDP 231 Basic Concepts in HDLC over UDP 231 Configuring One-to-One HDLC over UDP 232 Configuring One-to-Many HDLC over UDP 235

15 INTERFACE CONFIGURATION OVERVIEWInterface Overview 239 Interface Configuration 239 Displaying and Debugging Interfaces



17 LAYER 2 ETHERNET PORT CONFIGURATIONIntroduction to Layer 2 Ethernet Ports 251 Configuring Basic Functions of Ethernet Ports 253 Displaying and Debugging Ethernet Ports 259 Ethernet Port Configuration Example 259 Troubleshooting Ethernet Ports 265

18 WAN INTERFACE CONFIGURATIONAsynchronous Serial Interface 267 AUX Interface 272 Synchronous Serial Interface 274 FCM Interface 280 AM Interface 280 ISDN BRI Interface 281 CE1/PRI Interface 284 CT1/PRI Interface 293 E1-F Interface 302 T1-F Interface 306 CE3 Interface 312 CT3 Interface 317



19 CPOS INTERFACE CONFIGURATIONIntroduction 327 Configuring a CPOS Interface 331 Displaying and Debugging CPOS Interface Information CPOS Interface Configuration Example 338 Troubleshooting the CPOS Interface 339


20 POS INTERFACE CONFIGURATIONIntroduction 341 Configuring a POS Interface 341 Displaying and Debugging POS Interface Information POS Interface Configuration Example 345 Troubleshooting the POS Interface 347


21 ATM/DSL INTERFACE CONFIGURATIONATM/DSL Interface 349 Common ATM Interface Configuration 350 Configuring an IMA-E1/T1 Interface 350 Configuring an ATM E3/T3 Interface 357 Configuring an ATM 25M Interface 359 Configuring an ATM OC-3c/STM-1 Interface 360 Configuring an ADSL Interface 362 Configuring a G.SHDSL Interface 365 Displaying and Debugging the ATM and DSL Interface Information Troubleshooting 369


22 LOGICAL INTERFACE CONFIGURATIONDialer Interface 371 Loopback Interface 371 Null Interface 372 Subinterface 373 MP-Group and MFR 379 Logical Channel of Backup Center 379 Virtual-Template and Virtual Interface 379 Virtual Ethernet Interface 381

23 OSM BOARD CONFIGURATIONIntroduction 383 Operation and Configuration of OSM Board Configuration Example 385 383

24 PPP AND MP CONFIGURATIONIntroduction to PPP and MP Configuring PPP 391 389



Configuring the Polling Interval 392 Configuring MP 400 Configuring PPP Link Efficiency Mechanism 405 Displaying and Debugging PPP/MP/PPP Link Efficiency Mechanisms PPP and MP Configuration Example 411 Troubleshooting 424


25 PPPOE CONFIGURATIONIntroduction to PPPoE 425 PPPoE Server Configuration 426 Configuring PPPoE Client 428 Displaying and Debugging PPPoE 431 PPPoE Configuration Example 431



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