From: ZaferP@koc.net
Date: Sat Jun 14 2003 - 08:00:02 GMT-3
Hello,
Does the pipe "|" means or?
Regards
Zafer
-----Original Message-----
From: Cristian Henry H [mailto:chenry@reuna.cl]
Sent: Thursday, June 12, 2003 4:24 PM
To: Biondino, Joseph
Cc: ccielab@groupstudy.com
Subject: Re: BGP AS-Path filtering
ip as-path 1 access-list 1 permit ^$ | \(.+\)$
"Biondino, Joseph" ha escrito:
>
> Hi there;
>
> Last night I was doing a BGP practice LAB where by one of the
> requirements was to filter routes advertised to an external neighbour
> that didn't originate in the local AS (AS200).
>
> An easy request it would seem, but the problem was that I was running
> confederations thus the ip as-path access-list reg exp of ^$ for local
> routes wouldn't work as in the BGP table of the advertising router the
> as path of routes in the same AS but different sub-AS was (65078) ?
>
> Is there a way to filter out these routes??
>
> Kind regards,
>
> Joseph Biondino
> Network Specialist
> UNISYS
> Network Command Centre
>
> 115 - 117 Wicks Rd
> North Ryde NSW 2113
> Phone: 02 9857 3149
> Group: 02 9390 1107
> Fax: 02 9857 3122
-- Cristian E. Henry REUNAE-mail: chenry@reuna.cl Fono: 56-2-3370336
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