From: Carlos G Mendioroz (tron@xxxxxxxxxxx)
Date: Mon May 06 2002 - 16:38:43 GMT-3
Jason,
What IGP are you running ?
How is R1 supposed to learn how to reach R3 ?
Remember that iBGP will never (well almost never *) relay
information, so you need some IGP to do that.
(Hmm, you said that R1 has learned via BGP the 165.40.22.0/23,
so it has to be originated at R2, may be by a network command.
Do you have a simmilar network command for the 204.156.20.0/30 ?)
(*) The "almost never" relates to setups like route reflectors,
where you get a controlled iBGP redistribution.
HTH.
Jason Wydra wrote:
>
> I have AS 3127 with 3 routers. R1 is connected to R2 via Token ring. R2 is co
nnected to R3 via Ethernet. R1 and R3 do not have a direct connection. They are
attempting to peer through R2. R1 and R2 neighbor states are active. R2 and R3
neighbor state is active. R1 and R3 neighbor state will NOT come up. The netwo
rk on link between R1 and R2 is 204.156.20.0/30 and network between R2 and R3 i
s 165.40.22.0/23. From R1 I CANNOT ping R3. R1 has learned a route from BGP to
R3. Looking on R3 it has not learned a route to R1 (From R2). This is obviously
why I cannot ping from R1 to R3 and this is also why the BGP peer won't come u
p. Simply adding a static route on R3 pointing to R1 solves the problem and my
BGP peers comes up. My question is why does R2 tell R1 about the 165 network bu
t R2 does not tell R3 about the 204 network? Why do I have to add a static to R
3? Please help!!
>
> Jason Wydra
>
> CCNP,CCDP
>
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