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

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

HTH, John *** Please rate all useful posts ***
5 REPLIES
New Member

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

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

Super Bronze

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

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

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

How could I bridge the connection?

HTH, John *** Please rate all useful posts ***
Super Bronze

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

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

Hall of Fame Super Blue

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

Another alternative is to look at L2TPv3 -

http://www.cisco.com/en/US/netsol/ns341/ns396/ns172/ns155/networking_solutions_white_paper09186a008017fa6e.shtml

Not all routers/IOS versions/feature sets support it so it would be worth checking on Feature Navigator

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

Jon

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