RE: dot1Q Tunnel

From: Scott Morris (smorris@internetworkexpert.com)
Date: Thu Jan 22 2009 - 23:27:17 ARST

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It's not so much that it helps to create a q-in-q tunnel, but it helps
differentiate things on the service provider's network such that everything
gets a double tag. Keeps client traffic separated. Therefore keeps the
world a little more sane! Untagged traffic may be
interpreted/routed/intercepted locally instead of forwarded on the tunneled
path.

HTH,

Scott

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Syed
Ali
Sent: Thursday, January 22, 2009 6:52 PM
To: Cisco certification
Subject: dot1Q Tunnel

H experts,
                 How does the tagging of native vlan help to create a dot1q
tunnel when we are not allowed to assign the access vlan (e.g. sw acc vlan
5). Can someone explain please?

thanks
Syed

Blogs and organic groups at http://www.ccie.net

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