From: Jeff Mullan (jmullan78@gmail.com)
Date: Sun Mar 11 2007 - 21:27:52 ART
Folks,
R1-R2-R3,
R1 = AS 100
R2 = AS 200
R3 = AS 300
If the question is, AS200 should not provide transit services to AS300 for
networks originated from "CUSTOMERS" of AS100. And we are bound to use
as-path list, would both of the following regexp satisfy the question ?
on R2 outbound towards R3 permit : ^100$ OR;
on R2 outbound towards R3 permit : _100$
Thanks,
-JM
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