Network Router User Manual

Nortel Secure Router 8000 Series
Troubleshooting - VPN 1 L2TP troubleshooting
Issue 5.3 (19 January 2009) Nortel Networks Inc. 1-1
1 L2TP troubleshooting
About this
T the conten
chapter
he following table lists ts of this chapter.
Section Describes
1.1 L2TP overview This section describes the concepts that you should know
before troubleshooting Layer Two Tunneling Protoc
(L2TP).
ol
1.2 VPDN troubleshooting on This section contains the L2TP configuration notes, the
ta Network
the L2TP
troubleshooting flowchart, and the procedures for
troubleshooting in the L2TP Virtual Private Da
(VPDN) networking environment.
1.3 Troubleshooting L2TP This section contains notes for configuring L2TP access
access to the Layer 3 VPN
to the L3 Virtual Private Network (VPN), the
troubleshooting flowchart, and the detailed
troubleshooting procedures.
1.4 Troubleshooting cases This section presents troubleshooting cases.
1.5 FAQs AQ) and
their answers.
This section lists frequently asked questions (F
1.6 Diagnostic tools This section lists the diagnostic tools, including the
display command and debugging command.