Re: VTP and ISL and 802.1q trunks

[MADMAN <dmadlan@xxxxxxxxx>]

  no though I tend to use 802.1q, try to keep configs consistant.

  Dave

ccie2be wrote:

> Hi,
>
> Are there any problems or issues when both ISL and 802.1q trunks are used in
> the same VTP domain?
>
> For example,  suppose the following:
>
>         ----ISL trunk --------
> Sw1                                Sw2
>         ----802.1q trunk----
>
> Is the above a valid configuration?  If so, do any special precautions need to
> be taken related to STP or VTP because one trunk is ISL but the other one is
> 802.1q?
>
>
> Example 2:  Assume Sw1 is VTP server and sw2 and sw3 are VTP clients all in
> the same VTP domain.
>
>
> Sw1----ISL trunk--------Sw2-------802.1q trunk--------Sw3
>
> Is this a valid configuration?  Any gotcha's I need to be aware of?
>
> I know that these aren't preferred configs but the Cisco lab is reputed to
> test valid config's even if they're not good config's.
>
> Thanks, dt
>
>
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--
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

"Emotion should reflect reason not guide it"