RE: Need Help in determinig AS-Path

The regex translates to:

^$ - match empty as-path
| - or
^\(.*\)$ - match a path consisting of only confederation AS's (one or more than one)

The neighbour statement with filter-list represents only NLRI's matching these AS paths will be advertised

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Pratik Gotecha
Sent: 09 February 2012 15:52
To: ccielab_at_groupstudy.com
Subject: Need Help in determinig AS-Path

Hello Experts,

Can someone help me determine what this expression means

ip as-path access-list 10 permit ^$|^\(.*\)$

neighbor x.x.x.x filter-list 10 out

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Received on Thu Feb 09 2012 - 16:01:52 ART