From: Joseph Saad (joseph.samir.saad@gmail.com)
Date: Sat Sep 08 2007 - 11:33:09 ART
permit 172.16.0.0 0.0.247.255
in a sense you care to deny 172.16.8.0
i.e.
last 16 bit as
00001000.0000000
So, you care that the 5th MSb shouldn't be 1. So you give it a value of 0 in
the SNM
then you should allow
00000000.00000000
with subnet mask of
11110111.11111111
You can take it from here.
On 9/8/07, Joe Carr (Enventis) <jcarr@enventis.com> wrote:
>
> What would be the least amount of commands used to block an IP address
> using only permit statements in an Extended ACL.
>
>
>
> Let say we want to block 172.16.8.0/24 but permit all other
> 172.16.0.0/24 address
>
>
>
>
>
>
>
> Joe
>
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