thanks , but can you be more precise who does
auto-summmary and injecting routes into IGP my
customer or his customer or my upstream providers
regards,
suaveguru
--- Ilya Mazhara <[EMAIL PROTECTED]> wrote:
> Hmmm.. Looks like somobody inject this routes into
> IGP
> and does auto-summary at him exiting router.
>
> suaveguru wrote:
> >
> > hi all,
> > I have a question regarding announcement of routes
> via
> > BGP.
> >
> > Well we are an INTERNET BACKBONE FOR our customers
> who
> > are ISPs .
> >
> > As a result we have many upstream providers like
> AT&T
> > , ABOVENET etc.
> >
> > Recently our customers just have this new network
> > blocks namely 146.222.185.0 /24, 146.222.186.0 /24
> and
> > 146.222.195.0 /24
> >
> > At our side we have confirmed annoucing them
> >
> > At our upstream providers we have also confirmed
> that
> > they are announcing them
> >
> > but when I go to AT&T route server to do a bgp of
> > these networks they seem to only recognise the
> > supernet
> >
> > as show below
> > route-server.ip.att.net> sh ip bgp 146.222.185.0
> >
> > BGP routing table entry for 146.222.0.0/16,
> version
> > 13292503
> > Paths: (18 available, best #14)
> > Not advertised to any peer
> > 7018 174 12018, (received & used)
> > 12.123.29.249 from 12.123.29.249
> (12.123.29.249)
> > Origin IGP, localpref 100, valid, external
> > Community: 0:5000
> >
> > ...
> >
> > AT&T sees the /16 supernet and not the specific
> that I
> > am sending you
> >
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