Good day,
We have a customer that is peering with us using a 3640 ios 12.1.1T, our
router is a 7507 12.0.9S. All the routing shows correctly via BGP. They
are receiving a /19 (among the rest of the routing table) from us. Out of
that /19 they have a /30. Basically they cannot get to any other hosts in
the /24 (that the /30 came from). The rest of the /19 seems to work fine.
I'm completely stumped. I'm thinking a bug in the 3640's ios, which i
will be looking into. It is currently patched with a static route but
obviously that isn't a permenant solution. This strange since the
connection worked fine up to two days ago. The customer claims there have
been no changes on their end, and the only thing i can notice that has
happened is their connection flapped the other night (we reset bgp today
just to make sure). One of our other customers with the same setup and
/30 out of the same class C works fine.
Obviously i could break up that aggragate i'm sending to them and send
them the aggragate and a /24 but i'm not even confident that will work and
obviously the other peers on that router will have to hear another /24 (as
if there needs to be more routes in the routing table).
Does anyone have any thoughts as to what might be the root cause of this
and any possible remidies?
Thanks for any assistance you can provide.
andy
---- Andy Waltz Network Administrator 513-618-1000 Fax 513-618-2000 OneNet Communications andy@one.net ----
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