Re: BGP peculiarity

One thing that can be related is your neighbour being in a peer group ?
In that case the router calculates only one update set, so it might be
the case that somehow an update bounces back to the originating node ?
This might even be IOS dependent.

How did you find this in the first place ? :)
-Carlos

Amit Kumar Lohumi @ 16/09/2011 09:09 -0300 dixit:
> Hi All,
>
> Can anyone pls explain ....
>
> why is it that in some cases a BGP router would not advertise e-BGP
> routes learned from a peer back to the same peer (sticking to the
> standard rule on BGP updates).
>
> ... while in other cases, BGP will infact advertise the e-BGP routes
> learned from a peer back to the same peer (although they do get
> rejected by the originating peer because of ASN match ).
>
> I have made these dichotomous BGP observations on a couple of
> different scenarios.
>
> Regards
>
>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net