From: Private Ryan (pv.ryan@gmail.com)
Date: Wed Sep 21 2005 - 09:31:20 GMT-3
Hi,
I heard from somewhere that you can use extended access-list as
filtering purpose. anyone know how to use it?
e.g.
access-list 101 <address1> <mask1> <address2> <mask2>
Besides, the above ACL can be converted to standard access-list
i.e.
access-list 1 <address1> <mask2>
Am I right ?
What is the advantage of using extended access-list instead of
standard access-list ?
Ryan
2005/9/21, Lee Donald <Lee.Donald@t-systems.co.uk>:
> Mat,
>
> You don't need an extended access-list for that.
>
> Access-list 1 permit 10.0.0.0 0.255.255.255
>
> Regards
>
> Lee.
>
>
>
> -----Original Message-----
> From: mathew [mailto:mathew@oztralia.com]
> Sent: Wednesday, September 21, 2005 8:24 AM
> To: ccielab@groupstudy.com
> Subject: Prefix-list function using Extended ACL. How to do that?
>
> Hi All,
>
> Can someone let me know how to build a IP Extended access-list to
> replace a prefix list - ip prefix-list PRIVATE-SUPER permit 10.0.0.0/8?
>
> When I tried using the ACL - "access-list 112 permit ip host 10.0.0.0
> host 255.0.0.0" to filter only 10.0.0.0/8, it did not work.
> However, when I tried the ACL - "access-list 112 permit ip host 0.0.0.0
> host 0.0.0.0" to filter only 0.0.0.0/0, it worked.
>
> The reason is that there are many routers with ACL 112 and it is easy to
> add the 10.0.0.0/8 with an same ACL.
>
> Thanks for the replies.
>
> mathew
>
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