From: James Ventre (messageboard@ventrefamily.com)
Date: Fri Jul 14 2006 - 18:27:49 ART
IEEE 802.1Q-in-Q VLAN Tag Termination on Subinterfaces
IEEE 802.1Q-in-Q VLAN Tag Termination simply adds another layer of IEEE
802.1Q tag (called "metro tag" or "PE-VLAN") to the 802.1Q tagged
packets that enter the network. The purpose is to expand the VLAN space
by tagging the tagged packets, thus producing a "double-tagged" frame.
The expanded VLAN space allows the service provider to provide certain
services, such as Internet access on specific VLANs for specific
customers, and yet still allows the service provider to provide other
types of services for their other customers on other VLANs.
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00801f0f4a.html
Jens Petter wrote:
> Hi,
>
>
>
> 802.QinQ
>
>
>
> I am strying to find some information of this topic for the SP lap, but a
> search at cisco and google search turns up nothing
> at all.. Strange since it is in the blueprint??? How can they test on
> something that is not documented???
>
>
>
> Anybody that can share some info or guide me towards it?
>
>
>
> Thanks
>
>
>
> Jens
>
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