RE: Regular Expression

From: Scott Morris (smorris@ipexpert.com)
Date: Wed Nov 28 2007 - 10:50:55 ART


D would be routes LEARNED FROM AS 690 (your peer)

HTH,

Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE-M
#153, JNCIS-ER, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
VP - Technical Training - IPexpert, Inc.
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Tandou Mohamed
Sent: Wednesday, November 28, 2007 8:34 AM
To: ccielab@groupstudy.com
Subject: Regular Expression

Hello GS,
  can someone check this out if i am correct about these definition also any
comment on B,C,D and E those really confuse me sometimes.
   
  Thanks,
   
  Mohamed
   
  A) ip as-path access-list 1 permit _109_ => routes containing or
transiting AS 109
  B) ip as-path access-list 2 permit _200$ => routes originated in AS
200
  C) ip as-path access-list 2 permit ^100$ => routes originated by a
neighbor in AS 100
  D) ip as-path access-list 3 permit ^690_ => routes originating from
AS 690
  E) ip as-path access-list 3 permit ^$ => routes originating
from this AS (my AS)
   

       
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