STP Logging

From: Antonio Soares (amsoares@netcabo.pt)
Date: Sun Feb 25 2007 - 00:25:14 ART

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Hello GS,

While troubleshooting a customer's network, where lots of TCN BPDU's were
generated due to lack of Portfast configuration, i found a very usefull
command:

SW(config)#spanning-tree logging

After configuring this, i started getting this type of messages:

02:23:09: %SPANTREE-5-TOPOTRAP: Topology Change Trap for vlan 6

Now i'm notified whenever a topology change occurs. It's much more better
than issuing some STP commands to get the same information.

But the funny thing is that i don't find it documented anywhere...

Regards,
Antonio

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