From: Erhan Kurt (iekurt@xxxxxxxxx)
Date: Mon Feb 04 2002 - 11:42:46 GMT-3
Think Classless..
Erhan
--- "McCallum, Robert"
<Robert.McCallum@let-it-be-thus.com> wrote:
> gt = greater than so gt /23 = subnets with a mask of
> above /23.
> lt = less than so lt /17 = subnets with a mask less
> than /17.
>
> so using prefix lists can you give me an answer
> which would do the following:-
>
> 1. Deny subnets of class B networks
> 2. Deny supernets of Class C networks
> 3. Deny networks starting 193.x.x.x
> 4. permit all else.
>
> For the 1st one ask yourself what makes a class B
> network a Class B network? From this you will find
> out what your /x prefix should be. Then what mask =
> subnets of a class B network gt or lt.
>
> and so on
>
> -----Original Message-----
> From: dk [mailto:dave.kent@btinternet.com]
> Sent: 04 February 2002 12:07
> To: cisco@groupstudy.com
> Subject: prefix lists .. [7:34312]
>
>
> Can anyone help me get a handle on the "ge" and "le"
> options on prefix
> lists?
> I find them totaly confusing.
>
> Thanks in advance for any advice offered
>
> David
>
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