Introduction; Prerequisites; Navigation - Nortel 3050 Troubleshooting Manual

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Introduction

This chapter describes the prerequisites and various tools used to
troubleshoot the Nortel VPN Gateway (NVG). Use the troubleshooting
tools to enhance overall performance, resolve error messages, and
increase response time for a specific feature.
Each tool is described by purpose, usage procedures, and how to interpret
the output.

Prerequisites

Nortel recommends you to use one or more of the following commercially
available troubleshooting tools as well as the tools described in this
document.
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Navigation

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Copyright © 2007 Nortel Networks
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Capture and analyze HTTP and HTTPS with the HTTP Analyzer from
IE Inspector http://www.ieinspector.com/
Capture and analyze HTTP and HTTPS with Tamper Data, a plug-in
available for Mozilla Firefox
addon/966
Display the time to load Web pages with Faster Fox, a plug-in available
for Mozilla Firefox https://addons.mozilla.org/en-US/firefox/addon/1269
Capture and analyze packets with either Sniffer or Wireshark from
Network General http://www.wireshark.org/
neral.com/
"Troubleshooting Fundamentals" (page 9)
"Global troubleshooting tasks" (page 13)
"Feature-specific troubleshooting tasks" (page 17)
"Troubleshooting authentication tasks" (page 25)
"Emergency Recovery Trees" (page 49)
Nortel VPN Gateway
Troubleshooting Guide
NN46120-700 01.01 Standard
12 October 2007
https://addons.mozilla.org/en-US/firefox/
and http://www.networkge
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