From: Jason Madsen (madsen.jason@gmail.com)
Date: Sat Jul 12 2008 - 16:21:54 ART
to be further specific you could block it by it's PID, which is 0x2003,
along with 01:00:0C:CC:CC:CC. CDP's is 0x2000 etc.
Jason
On Sat, Jul 12, 2008 at 12:32 PM, Jason Madsen <madsen.jason@gmail.com>
wrote:
> hmmmm, that's a good one. of course vtp mode transparent may prevent the
> device from participating in vtp (especially VTP v1), but to actually block
> it is another thing. i believe you could use a MACL and block 01:00:0C:CC:CC:CC,
> but i also believe that CDP, UDLD, DTP, and PAGP also use this address so
> you might have to look at the implications of doing such a thing. you might
> want to use different VTP domain names to further prevent compatibility
> between the systems, although that could be considered overkill.
>
> just some thoughts,
> Jason
>
> On Sat, Jul 12, 2008 at 12:12 PM, akyccie <akyccie@gmail.com> wrote:
>
>> How to block VTP advertisement ???
>>
>>
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