From: Joseph D. Phillips (josephdphillips@fastmail.us)
Date: Wed Jul 14 2004 - 21:19:31 GMT-3
Great to know! Thanks!
----- Original message -----
From: "Brian McGahan" <bmcgahan@internetworkexpert.com>
To: "Joseph D. Phillips" <josephdphillips@fastmail.us>, "group study"
<ccielab@groupstudy.com>
Date: Wed, 14 Jul 2004 19:49:21 -0400
Subject: RE: Access lists
Joseph,
This syntax is used in IS-IS route-leaking and BGP in order to
take the place of a prefix-list. I.e. access-list 100 permit ip host
192.10.1.0 host 255.255.255.0 means the same thing as ip prefix-list 100
permit 192.10.1.0/24.
Where the "host" portion of the list normally is is the network,
and the destination portion is the subnet mask.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.InternetworkExpert.com
Toll Free: 877-224-8987 x 705
Outside US: 775-826-4344 x 705
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Joseph D. Phillips
> Sent: Wednesday, July 14, 2004 6:39 PM
> To: group study
> Subject: Access lists
>
> Could someone explain to me why an access-list like this would be
used?
>
> access-list 100 permit ip host 192.10.1.0 host 255.255.255.0
> access-list 100 permit ip host 222.22.2.0 host 255.255.255.0
> access-list 100 permit ip host 220.20.3.0 host 255.255.255.0
> access-list 100 permit ip host 205.90.31.0 host 255.255.255.0
>
> This was referenced by the following command under router isis:
>
> redistribute isis ip level-2 into level-1 distribute-list 100
>
> Is the syntax of the permit statements peculiar to interdomain ISIS
> redistribution?
>
>
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