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Troubleshooting Virtual Private Networks by Mark Lewis

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Error Messages

This section introduces some of the more commonly seen error messages and explains their meanings and their resolutions. These messages can be seen if VPDN logging is enabled.

Example 2-132 shows how to enable VPDN logging.

Example 2-132. Enabling VPDN logging
LODI_NAS1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
LODI_NAS1(config)#vpdn logging
LODI_NAS1(config)#exit
LODI_NAS1#

Note that VPDN logging is enabled by default.

%VPDN-6-AUTHENERR Error Message

This error indicates that the NAS or Home Gateway was not able to connect to an AAA server to authenticate a user or tunnel. This may indicate misconfiguration of AAA parameters on the NAS/Home Gateway, a problem with connectivity between the NAS/Home ...

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