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Version 8.00
Part No. NN46110-602 02.01
315900-F Rev 01
13 October 2008
Document status: Standard
600 Technology Park Drive
Billerica, MA 01821-4130
Nortel VPN Router
Troubleshooting — Server
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2 Copyright © 2008 Nortel Networks. All rights reserved. The information in this document is subject to change without notice. The statements, configurations, technical data, and recommendations in this document are believed to be accurate and reliable, but are presented without express or implied warranty. Users must take full responsibility for their applications of any products specified in this document. The information in this document is proprietary to Nortel Networks. The software des
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3 Portions of the code in this software product may be Copyright © 1988, Regents of the University of California. All rights reserved. Redistribution and use in source and binary forms of such portions are permitted, provided that the above copyright notice and this paragraph are duplicated in all such forms and that any documentation, advertising materials, and other materials related to such distribution and use acknowledge that such portions of the software were developed by the Universit
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4 3. Limitation of Remedies. IN NO EVENT SHALL NORTEL NETWORKS OR ITS AGENTS OR SUPPLIERS BE LIABLE FOR ANY OF THE FOLLOWING: a) DAMAGES BASED ON ANY THIRD PARTY CLAIM; b) LOSS OF, OR DAMAGE TO, CUSTOMER’S RECORDS, FILES OR DATA; OR c) DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES (INCLUDING LOST PROFITS OR SAVINGS), WHETHER IN CONTRACT, TORT OR OTHERWISE (INCLUDING NEGLIGENCE) ARISING OUT OF YOUR USE OF THE SOFTWARE, EVEN IF NORTEL NETWORKS, ITS AGENTS OR SUPPLI
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5 Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Text conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Related publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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6 Contents Chapter 1 Troubleshooting fundamentals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Supported software and hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 PCAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 PCAP features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Security fe
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Contents 7 Saving captured data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Configure and run packet capture objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Creating a capture object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 Configuring a capture object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Starting, stopping, and saving capture objects . . . .
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8 Contents System log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Security log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 Configuration log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90 Chapter 4 Emergency recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 A
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Contents 9 Enabling Web browser options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Web browser error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Reporting a problem with a Web browser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 System problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Solving routing problems . . . . . . . . . . .
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10 Contents Novell IPX MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 Novell RIP-SAP MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 RFC 1213—Network Management of TCP/IP-Based Internets MIB . . . . . . . . . . 180 RFC 1573—IanaIfType MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 RFC 1724—RIP Version 2 MIB Extension . . . . . . . . . . .
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11 Preface This guide provides information about how to manage and troubleshoot the Nortel VPN Router. Before you begin This guide is for network managers who monitor and maintain the Nortel VPN Router. This guide assumes that you have experience with system administration and familiarity with network management. Text conventions This guide uses the following text conventions: angle brackets (< >) Indicate that you choose the text to enter based on the description inside the brackets. Do no
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12 Preface braces ({}) Indicate required elements in syntax descriptions where there is more than one option. You must choose only one of the options. Do not type the braces when entering the command. Example: If the command syntax is ldap-server source {external | internal}, you must enter either ldap-server source external or ldap-server source internal, but not both. brackets ([ ]) Indicate optional elements in syntax descriptions. Do not type the brackets when entering the command. Ex
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Preface 13 vertical line ( | ) Separates choices for command keywords and arguments. Enter only one of the choices. Do not type the vertical line when entering the command. Example: If the command syntax is terminal paging {off | on}, you enter either terminal paging off or terminal paging on, but not both. Nortel VPN Router Troubleshooting — Server
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14 Preface Related publications For more information about the Nortel VPN Router, see the following publications: � Release notes provide the latest information, including brief descriptions of the new features, problems fixed in this release, and known problems and workarounds. � Nortel VPN Router Configuration — Basic Features (NN46110-500) introduces the product and provides information about initial setup and configuration. � Nortel VPN Router Configuration — SSL VPN Services (NN46110-
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Preface 15 Hard-copy technical manuals You can print selected technical manuals and release notes free, directly from the Internet. Go to www.nortelnetworks.com/documentation, find the product for which you need documentation, then locate the specific category and model or version for your hardware or software product. Use Adobe Reader to open the manuals and release notes, search for the sections you need, and print them on most standard printers. Go to the Adobe Web site at the www.adobe.
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16 Preface Help from the Nortel Web site The best way to get technical support for Nortel products is from the Nortel Technical Support Web site: www.nortel.com/support This site provides quick access to software, documentation, bulletins, and tools to address issues with Nortel products. From this site, you can � download software, documentation, and product bulletins � search the Technical Support Web site and the Nortel Knowledge Base for answers to technical issues � sign up for automatic
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Preface 17 Getting help through a Nortel distributor or reseller If you purchased a service contract for your Nortel product from a distributor or authorized reseller, contact the technical support staff for that distributor or reseller. Nortel VPN Router Troubleshooting — Server
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18 Preface NN46110-602 02.01
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19 New in this release The following sections detail what’s new in Nortel VPN Router Troubleshooting — Server (NN46110-602) for Release 8.0: � “Features” on page 19 � “Other changes” on page 21 Features See the following sections for information about feature changes: � “Branch office NAT Traversal” on page 19 � “Core dump retrieval” on page 20 � “Hardware LEDs” on page 20 � “IGMP” on page 20 � “LDAP problems” on page 20 � “Recovery procedures” on page 20 � “SFTP” on page 20 � “System messages”
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20 New in this release Core dump retrieval “Configuring core dump retrieval on diskless routers” on page 57 is added to the document. Hardware LEDs This document provides a list of hardware LEDs. For more information, see “Hardware LEDs” on page 40. IGMP Release 8.0 includes the Internet Group Management Protocol (IGMP). For more information about how to troubleshoot IGMP, see “Troubleshooting tools” on page 51 and “Solving routing problems” on page 126. For information about the supported
