Kevin Dorrell, CCIE #20765

19 Apr 2008

This, that, and the other

Filed under: IOS Bugs, LAN Switching, VTP — dorreke @ 13:27

Added the resolution to my posting a couple of weeks ago about a VTP pruning problem.  I came to the conclusion it was a bug in CatOS.  CatOS will quite happily prune the native VLAN of a trunk if it thinks it is not needed.  However, in doing so, it can screw up the VTP pruning (or more specifically, grafting) mechanisms for other VLANs.  I need to investigate this further to make a more coherent explanation, but I’m sure that it the basis of the problem.  Here is me discussing it on NetPro.




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