nanog mailing list archives

Re: Multiple BGP sessions between the same router pairs at IXPs


From: "sean_butler () ibm net" <sean_butler () ibm net>
Date: Wed, 10 Feb 1999 11:15:17 -0500

Alex Bligh wrote:


then only one peering session will come up, as routers only
support one BGP session with any given router ID.


You can get both sessions up, but you'll only use one set of
routes, which if you don't toy with any knobs, will be the
one with the lower router ID.  However, you can use BGP max
paths and set it to 2, and both routes will be sent to 
the route table.  Or you could use eBGP multihop.

/Sean Butler


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