[c-nsp] Pulling a VLAN out of a QinQ trunk

[Skeeve Stevens]

Actually... this is exactly what I came up with this afternoon as a work-around... but I was kind hoping it was stupid and there was an easier more sensible way.... is there? ;-)


--
Skeeve Stevens, CEO/Technical Director
eintellego Pty Ltd - The Networking Specialists
skeeve at eintellego.net / www.eintellego.net
Phone: 1300 753 383, Fax: (+612) 8572 9954
Cell +61 (0)414 753 383 / skype://skeeve
--
NOC, NOC, who's there?


> -----Original Message-----
> From: Chris Phillips [mailto:cphillips at wbsconnect.com]
> Sent: Monday, 23 March 2009 7:50 PM
> To: Skeeve Stevens
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Pulling a VLAN out of a QinQ trunk
>
> There is a way that I know, but it's not pretty.
>
> Build the QnQ to an additional port on the device you want to
> inject/break out the VLAN from.  Make sure it is mode dot1q-tunnel.
> Then loop it (cross connect it) to another port on the same device and
> make that is a trunk port.  Specify the VLAN you want and you're done.
>
> I've done this a few times and it works just fine.  As mentioned, it is
> not very elegant and someone might know a better way to do it, like
> tagging the native.  The method described above can inject/break out
> multiple VLANs, where as fiddling with the native cannot.
>
> Good luck.
>
> ----- Original Message -----
> From: "Skeeve Stevens" <skeeve at eintellego.net>
> To: cisco-nsp at puck.nether.net
> Sent: Monday, March 23, 2009 2:57:14 AM GMT -05:00 US/Canada Eastern
> Subject: [c-nsp] Pulling a VLAN out of a QinQ trunk
>
> Hey all,
>
> Say I have a QinQ VLAN from one place to another... and it goes through
> a few switches.
>
> If I wanted to do something to one of the VLAN's inside the QinQ, is
> that possible?
>
> Examples of things I would like to do.
>
> -       SVI with a IP address in an intermediate switch
> -       Push it into a trunk on an intermediate switch to break it out
>
> I've googled, but when I got to PPPoEoQinQ my mind exploded with too
> many layers!
>
> ...Skeeve
>
> --
> Skeeve Stevens, CEO/Technical Director
> eintellego Pty Ltd - The Networking Specialists
> skeeve at eintellego.net / www.eintellego.net
> Phone: 1300 753 383, Fax: (+612) 8572 9954
> Cell +61 (0)414 753 383 / skype://skeeve
> --
> NOC, NOC, who's there?
>
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