Re: ACL Discontiguous Network Matching Question

From: Nick Griffin (nick.jon.griffin@gmail.com)
Date: Mon Nov 27 2006 - 11:03:41 ART


IE has a good link for this:

http://www.internetworkexpert.com/resources/01700370.htm

On 11/27/06, Lab Rat #109385382 <techlist01@gmail.com> wrote:
>
> I know how to derive the inverse mask for matching an ACL to discontiguous
> subnets, but how does one derive the network address again? I must have
> forgotten this part of the procedure.
>
> For example, if I'm supposed to match the following networks using a
> single
> ACL:
>
> 199.1.101.0/24
> 199.1.109.0/24
> 199.1.197.0/24
> 199.1.204.0/24
>
> What is the network statement to use in the ACL? More importantly,
> why? If
> there is a Doc CD location that explains this logic in detail, that would
> be
> great.
>
> Thanks,
>
> Ed
>
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