PREFIX-LIST Interpretation

From: CCIE GOAL (ccie.goal@gmail.com)
Date: Wed Jun 06 2007 - 22:00:42 ART


Hi fellows,

I have a doubt about how to interpret the following sentence about
prefixes list:

"Configure R1 only to receive "SUBNET PREFIXES BELLOW" 198.0.0.0/8.

When I first saw it I understood to manipulate the prefix (mask
length), so I would configure this:

--> ip prefix-list SOLUTION permit 198.0.0.0/8 le 32

But researching on the old posts on groupstudy I saw somebody
manipulating the first octect:

0.0.0.0/1 le 32
128.0.0.0/2 le 32
192.0.0.0/6 le 32
196.0.0.0/7 le 32

Which interpetation do you think that would be correct when the
requirement states to filter the "subnet prefixes bellow"?

Regards,
Luciano



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