Re: A Tricky Confed scenario

From: san (san.study@gmail.com)
Date: Sat Jun 17 2006 - 02:10:53 ART


Can you try "remove private-as" bgp neighbor command to R6. & also dont
set "as-set" in the aggregate command at R4

On 6/16/06, Navin MS <navin_ms07@yahoo.com> wrote:
>
> Sorry for the typo ... it should be
>
> R5 sends an aggregate route to R4 with AS_PATH = "65005 {300 400}"
>
>
> --- Navin MS <navin_ms07@yahoo.com> wrote:
>
> > Hi Group,
> >
> > While doing a BGP scenario I stumbled upon the following.
> >
> > R3
> > |
> > |
> > R4 ---- R5
> > |
> > |
> > R6
> >
> > R3,R4,R5 belong to same Confed AS 700 and R6 belong to AS 800.
> > R3 is in sub-AS 65003
> > R4 is in sub-AS 65004
> > R5 is in sub-AS 65005
> >
> > R3 sends an aggregate route to R4 with AS_PATH = "65003 {100 200}"
> > R5 sends an aggregate route to R4 with AS_PATH = "65004 {300 400}"
> > Now, R4 has to send an aggregate of the above two aggregated routes to
> R6 BUT should remove the
> > Private ASes 65003 and 65004.
> >
> > How can I accomplish this ? What will the AS_PATH looks like ?
> >
> > Thanks,
> > Naveen.
> >
> >
> >
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-- 
Thanks & Rgds
SAN


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