Regular Expression

From: Tandou Mohamed (dtandou@yahoo.com)
Date: Wed Nov 28 2007 - 10:33:47 ART


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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