What's needed to span VLANs across point to point?

Unanswered Question
Oct 30th, 2008

I need to find out what is required to be able to send vlan traffic across a point to point link.

Site A (Vlan 100) -> P2P Link (25Miles) -> (Vlan 100) Site B

Thanks!

John

I have this problem too.
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trippi Thu, 10/30/2008 - 14:57

A transparent LAN from your ISP or a 7200 series router on each end with Layer 2 transport configured

Joseph W. Doherty Thu, 10/30/2008 - 16:10

Assuming the p2p requires serial interfaces, using routers on both ends of the p2p link but configured for bridging, might work for you.

Joseph W. Doherty Sun, 11/02/2008 - 03:37

Don't see bridging offen across routers, because if you have routers, often better to route. It has been quite a while since I've even seen an actual router bridge configuration, so unable to provide a current example or better advice, but I did try to find you some additional information, see below.

http://www.cisco.com/en/US/tech/tk389/tk815/technologies_tech_note09186a0080094663.shtml

http://www.cisco.com/en/US/docs/ios/12_0/ibm/configuration/guide/bctb.html

http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a00801c137e.shtml

http://www.cisco.com/en/US/tech/tk331/tk660/technologies_tech_note09186a0080094471.shtml

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