From: Paul Cosgrove (paul.cosgrove@heanet.ie)
Date: Tue Apr 08 2008 - 06:39:46 ART
With dot1q tunneling you assign a vlan on an interface which is then
tagged to all incoming frames. Don't think you can categorise incoming
traffic and then assign the additional vlan tag based on that. You
probably have to use multiple ports instead of one.
Being service provider related, if this is a real world question then it
would be worth posting your to nsp-cisco. SR releases of IOS handle
vlans differently to other versions, and perhaps offer additional options.
Paul.
Sadiq Yakasai wrote:
> Andy,
>
> I am not sure I understand what you mean with "terminating 2 dot1q
> tunnels on a single interface".
>
> But look at this: you could have a trunk terminating from the customer
> end of the link, right? Thats having more than a single VLAN entering
> the tunnel. Thats as close as I can get to your question there.
>
> If you could sketch something out it would be more illustrative I think.
>
> HTH
>
> Sadiq
>
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Andy Harris (andharri) wrote:
> Hi,
>
> Is it possible to terminate two dot1q tunnels on a single interface?
>
> I'm guessing not because on the return path it would not know which
> tunnel to encapsulate the packet into, unless you had some sort of
> static customerVLAN - metro VLAN map?
>
> Thanks
>
> Andy
>
>
>
>
> <http://www.cisco.com/>
>
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