From: Blanco Lam (b@gclamb.com)
Date: Sat Sep 27 2003 - 11:46:10 GMT-3
Ken,
Route reflectors cannot modify the attributes it receives from
its clients. Quote from Doyle II page 126 - "To avoid possible loops or other
routing errors, the route reflector cannot change the attributes of the routes
it receives from clients".
Regards,
Blanco
---- Original message ----
>Date: Sat, 27 Sep 2003 14:37:31 +0100
>From: Ken.Farrington@barclayscapital.com
>Subject: BGP next-hop-self on a Route Reflector
>To: ccielab@groupstudy.com
>
>Good morning all,
>
> RR
> +----+
> +---------| R1 |-----------+
> | +----+ |
> | |
>+----+ +----+ lo0 1.1.1.1
>| R2 | All in AS 555 | R3 |------------------
>+----+ +----+
> RRc RRc
>
>I have the following above, and I am I am learning the 1.1.1.1 network via
>iBGP on R1 from R3 and this is being reflected to R2, but the R2 router is
>not putting this into it's routing table because the next hop in the BGP
>table is unreachable.
>
>So I tried to put on bgp next-hop-self on the RR (R1) to the neighbor for R2
>but this has no affect.
>
>I have never use RR before with the next-hop-self and assume now that this
>does not would and I will have to use another method of setting the next hop
>when the route reflects from R1 to R2.
>
>Can one of you techies, please let me know if this is fact, that
>next-hop-self is a no go on RRs?
>
>Many thx indeed,
>Ken
>
>
>
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