RE: AS-PATH Filter....

From: Wisit Phatchoo (Wisit.P@dcs.premier.co.th)
Date: Wed Sep 19 2007 - 15:53:05 ART


Dear Scott

Ooh. Thank you very much for your advice.

Best regards
 
Wisit
 
-----Original Message-----
From: Scott Morris [mailto:smorris@ipexpert.com]
Sent: Thursday, September 20, 2007 1:38 AM
To: Wisit Phatchoo; ccielab@groupstudy.com
Subject: RE: AS-PATH Filter....

That's not a nice one. :) For your eBGP peer perspective:

^([0-9]+)(_[0-9]+)?(_[0-9]+)?(_[0-9]+)?(_[0-9]+)?(_[0-9]+)?(_[0-9]+)?(_[
0-9]
+)?(_[0-9]+)?(_[0-9]+)?$

Or if you were working on a router with full grep capabilities, you
could
use

(_[0-9]+){1,10}

Remember the basic pieces and just start plugging them together!

HTH,

 
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
JNCIE-M
#153, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
VP - Technical Training - IPexpert, Inc.
IPexpert Sr. Technical Instructor
 
A Cisco Learning Partner - We Accept Learning Credits!
 
smorris@ipexpert.com
 
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
http://www.ipexpert.com
 

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Wisit Phatchoo
Sent: Wednesday, September 19, 2007 12:37 PM
To: ccielab@groupstudy.com
Subject: AS-PATH Filter....

Dear All

Anyone, who has any ideas?, if I want to filter AS-PATH, which is not
more
than 10 AS. How 's about RegEx string, which I have to use?

Best regards

Wisit



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