> Can you be a bit more specific about the config?

We have two routers, the first router has two Internet connections, ISP A and 
ISP B.  The second router has a backup connection to ISP A.  All three 
connections take a full BGP routing table and the two routers peer with each 
other via iBGP.  The connections to the ISPs are Ethernet.  We recently had a 
failure of ISP B and the Ethernet interface stayed up, but the BGP peer went 
down, which is what prompted this question.

> This is presumably an eBGP session across a local interface?

Correct.

> What platform & IOS version?

7206 routers running the 12.4T IOS train.

Thanks.

--Vincent



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