On 2007/06/29 10:15, Jon Morby wrote: > On 29 Jun 2007, at 08:47, Henning Brauer wrote: > >> * Jon Morby <[EMAIL PROTECTED]> [2007-06-29 02:56]: >>> I've just updated one of our routers from an end of May snapshot to a >>> Jun 28th snapshot and have noticed that we seem to be having problems >>> with our multihop sessions since the upgrade. >> >> errr... I'm inlcined to say "impossible", since there weren't many >> changes at all in bgpd since then, and nothing that remotely touches >> nexthop verification. check your routes, something must be different. >> bgpctl sh nex on both machines might give insight >> > > I know ... whether it's just something that has now cropped up because it's > the first time these several of these boxes have been rebooted in months ... > > The addition of nexthop qualify via bgp seems to have overcome things .. > however the next hops should be learnt by ospf and are reachable (otherwise > the bgp sessions wouldn't actually be up, which they are)
Are the nexthops in subnets where you receive the same exact prefixes by both BGP and OSPF? I have found ospfd sometimes doesn't overwrite routes installed by bgpd. That's not new though..
