2 Comments on “Which regular expression will match prefixes from the AS 200 that is directly connected to our AS?”

1. Freddy says:

   November 17, 2015 at 2:21 am

   Meaning
   *
   Anything
   ^$
   Locally originated routes
   ^100_
   Learned from autonomous system 100
   _100$
   Originated in autonomous system 100
   _100_
   Any instance of autonomous system 100
   ^[0-9]+$
   Directly connected autonomous system paths
   Reference.
   http://www.cisco.com/c/en/us/td/docs/ios/termserv/configuration/guide/12_4t/tsv_12_4t_book/tsv_r
   eg_express.html

   
   
   
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2. Ziyad says:

   October 25, 2016 at 10:57 am

   E.
   ^200_

   
   
   
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