From: Zukque (zukque@gmail.com)
Date: Tue Nov 15 2005 - 14:30:37 GMT-3
Also..
ip prefix-list R/16 permit seq 1 10.10.0.0/16 <http://10.10.0.0/16>
router rip
distribute-list prefix R/16 out ser0
----- Original Message ----- From: "Leigh Harrison" <ccileigh@gmail.com>
To: "steven richards" <ccie_2005@hotmail.com>
Cc: <ccielab@groupstudy.com>
Sent: Tuesday, November 15, 2005 1:20 PM
Subject: Re: Very basic ACL question
> Hey Steven,
>
> This says:-
> The first 2 octets have to be nailed to 10 (the "0" in the wildcard mask
> says this)
> The second 2 octets can be anything they want to (the "255" in the
> wildcard mask)
>
> So you would get through loads, including
10.10.1.0/24<http://10.10.1.0/24>,
10.10.0.0/16 <http://10.10.0.0/16>,
> 10.10.200.128/25... <http://10.10.200.128/25...>.. etc, etc.
>
> Your acl nails the first 2 bits and allows the rest.
>
> If you wanted JUST the /16, then go for a prefix list, or something
> along the lines of:
> access-list 1 permit 10.10.0.0 <http://10.10.0.0> 0.0.0.0 <http://0.0.0.0>
>
> LH
>
> steven richards wrote:
>
> > If I have a ditribute list on a routing protocol to filter incoming
> > and outgoing routing updates like for instance the one below. This
> > will match the /16 10.10 and also all of the specifics within the /10
> > correct ?
> >
> > router rip
> > ver 2
> > distribute-list out out ser0
> >
> > access-list standard out
> > permit 10.10.0.0 <http://10.10.0.0> 0.0.255.255 <http://0.0.255.255>
> >
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