Priscilla Oppenheimer wrote:
>
> VTP advertisements are sent to a data-link-layer multicast
> 01-00-0C-CC-CC-CC. The SNAP type is 2003 which distinguishes the frame from
> other Cisco frames that use that multicast (CDP and DISL, for example).
>
> As I said before, the router would have to be sitting in the middle of a
> Layer-2 topology. For example, a one-armed router would pass VTP from one
> subinterface to another, wouldn't it??
>
> I'm just trying to explain the statement from a CIT book about the router
> being in VTP transparent mode, which was the original question. Perhaps
> someone else has more details.
>
I don't believe the router is going to forward any VTP datagrams at all,
not between interfaces or subinterfaces. That is unless it is a BRouter
with bridging enabled. :-)
- Marty
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=18690&t=18545
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