[c-nsp] Bridging 802.1q VLANs

[Bruce Pinsky]

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Richard J. Sears wrote:
> I am moving from one office to another and I would like to do it as 
> seamlessly as possible.  I'm looking for a way to bridge 802.1q VLAN's 
> across a WAN link so that I don't have to move entire VLAN's at once. At 
> the current office I've got a NetGear switch (which supports 802.1q) as 
> a core switch and at the new office I've got a Cisco 3560 as a core 
> switch.  The PTP connection between the two offices will be 7 T1's 
> terminated at both ends by a single 7204 NPE200 with a PA-MC-8T1. We 
> can't afford to put in a GigE connection between the two offices or this 
> would be really easy via VTP.  From what I've read it looks like there 
> may be a way to do this via VRF or SDE. Has anyone else done something 
> similar?
> 

You should be able to run a pseudowire between the 7204's at the two
offices via L2TPv3.

See:

http://www.cisco.com/en/US/products/sw/iosswrel/ps1829/products_feature_guide09186a00801b2407.html
http://www.cisco.com/en/US/products/sw/netmgtsw/ps4748/products_user_guide_chapter09186a00803537df.html#wp126824
http://www.cisco.com/en/US/netsol/ns588/networking_solutions_white_paper09186a008017fa6e.shtml
http://www.cisco.com/en/US/products/ps6350/products_configuration_guide_chapter09186a00804420e7.html#wp1046193


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bep

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