[c-nsp] BGP/OSPF Default Route Question

John Neiberger John.Neiberger at efirstbank.com
Wed Feb 2 15:56:29 EST 2005


>The big problem that we have is that if we have a circuit failure, the
>incoming & outgoing traffic does not switch over to the other router.
>After doing a lot of reading in Cisco's "BGP Design and
Implementation",
>they suggest redistributing the default route from the upstream
provider
>into OSPF - that way in case of a circuit failure, the default route
>drops out of the OSPF table, and the other router takes over.

This makes sense to me. Redistribute BGP into OSPF and, depending on
your exact topology, perhaps configure OSPF default-information
originate. If a particular 3550 loses its default route to one border
router, it will simply begin using the default learned from the other
router.

Regards,
John
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