From: Michael Needham (mineedha@xxxxxxxxx)
Date: Fri Apr 14 2000 - 19:29:44 GMT-3
OSPF still has to know the route to the next HOP BGP router. IF you add
next hop self on the routers connected to the rest of the world it
should be OK. Otherwise ensure that OSPF knows how to get to the next
hop router (next BGP neighbour).
Cliff Webster wrote:
>
> In the Lab I am doing BGP a scenario with 6 routers in a straight line. I
> take 2 of the middle routers and do IBGP. The outside routers are doing
> EBGP only. I have been under the impression that if I am using an IGP like
> OSPF between the two internal routers, the protocols will synchronize on
> their own (OSPF and IBGP), and EBGP routes will be passed. When I do this,
> my routes will not propagate past the IBGP section in either direction. The
> end EBGP systems are not exchanging routes. If I go to the two IGBP routers
> and type NO SYNC. Everything works fine. Shouldn't OSPF and IBGP sync up
> on there own- without the NO SYNC command?
>
> I am studying from the Bruce Caslow book. It is not real clear on the
> subject.
>
> Thank you,
> Cliff Webster
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