From: Jonathan V Hays (jhays@jtan.com)
Date: Wed Jun 11 2003 - 23:22:55 GMT-3
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/
ip_r/iprprt2/1rdbgp.htm#1096861
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Biondino, Joseph
> Sent: Wednesday, June 11, 2003 7:39 PM
> To: ccielab@groupstudy.com
> Subject: BGP AS-Path filtering
>
>
> 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
This archive was generated by hypermail 2.1.4 : Fri Jul 04 2003 - 11:10:56 GMT-3