From: Nick Shah (nshah@connect.com.au)
Date: Sun Sep 15 2002 - 21:51:23 GMT-3
Harbir
If the idea is to prevent your 'confed sub-as' from becoming a transit AS,
you need as-path ACL to be something like this
permit ^\(100\)$
put your sub-as in lieu of 100
rgds
Nick
----- Original Message -----
From: "Kohli, Harbir" <harbir.kohli@bellnexxia.com>
To: <ccielab@groupstudy.com>
Cc: "'Brian McGahan'" <brian@cyscoexpert.com>
Sent: Saturday, September 14, 2002 12:11 PM
Subject: RE: BGP
> HI,
> How do you make sure that your AS is not used as a transit AS when your AS
> is a confed of 6, 250, 8.
>
> >From Halabi's book I though all you had to do was
> Ip as-path access-list 1 permit ^$
>
> Router bgp x
> Neighbor a.b.c.d filter-list 1 out
> End
>
> But this does not work when using confederations.
>
> What would be the simplest solution?
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