From: Jonathan R. Charles (jrcdehc@ameritech.net)
Date: Mon Sep 06 2004 - 11:34:33 GMT-3
In BGP Case Studies, the following paragraph
The command "access-list 1 permit 160.0.0.0 0.255.255.255" permits
160.0.0.0/8, 160.0.0.0/9, 160.0.0.0/10 and so on. In order to restrict the
update to only 160.0.0.0/8, we have to use an extended access-list of the
following format: "access-list 101 permit ip 160.0.0.0 0.255.255.255
255.0.0.0 0.0.0.0" This list permits 160.0.0.0/8 only.
I must be missing something here, because I don't see how the destination of
255.0.0.0 with a mask of 0.0.0.0 would permit all the other 160.0.0.0
networks that had a mask different from 8.
Jonathan Charles
SBC
CCNP/CCDP, NNCSE, NNCSS, MCSE
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