Nortel Networks L2TP manual Appendix C Troubleshooting, Problem What to Do

Appendix C

Troubleshooting

To monitor your L2TP network and solve problems that may occur, first check the event log file for any messages recorded by the LNS. For information about viewing and reading event messages, see Event Messages for Routers and Configuring and Managing Routers with Site Manager.

Table C-1 provides troubleshooting solutions for common problems with your L2TP network.

Table C-1.	Common L2TP Network Problems and Solutions
Problem		What to Do
L2TP tunnel did not initiate.		Check whether you enabled tunnel authentication for
		the LNS on that slot.
		If authentication is enabled, make sure that the
		authentication password is the same for the LAC and
		the LNS.
		You can also check the tunnel statistics, which are
		automatically enabled on the LNS.
L2TP host (PC or router) cannot		Check the address and user authentication
reach the corporate network		information configured in the RADIUS server
through the established		database.
connection.
		(continued)

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