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Troubleshooting Virtual Private Networks by Mark Lewis

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Additional L2TP Troubleshooting Commands

This section contains some additional commands that may be useful when troubleshooting L2TP.

show vpdn history failure

The show vpdn history failure command is very useful for examining the VPDN failure history table.

Example 4-140 shows the output of the show vpdn history failure command.

Example 4-140. show vpdn history failure Command Output
CalCity_LAC#show vpdn history failure
						Table size: 20
						Number of entries in table: 1
						User: joebloggs@mjlnet.com, MID = 32
						NAS: CalCity_LAC, IP address = 172.16.1.1, CLID = 0
Gateway: Information is not applicable
Log time: Feb 11 22:01:39.962, Error repeat count: 7
						Failure type: The remote server closed this session
						Failure reason: Result 2, Error 6, Session limit ...

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