Fwd: Prefix list vs Access list - same?

Thanking You

Yours Sincerely

Divin Mathew John
divinjohn_at_gmail.com
divin_at_dide3d.com
http://www.dide3d.com
+91 9945430983
+91 9846697191
+974 5008916
PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
Sent from Bangalore, KA, India

---------- Forwarded message ----------
From: Divin Mathew John <divinjohn_at_gmail.com>
Date: Tue, Jun 2, 2009 at 5:12 PM
Subject: Re: Prefix list vs Access list - same?
To: Hong Chan <howard.chan34_at_gmail.com>

You could use ip access-list
Ip prefix-list Bob permit 192.168.0.0/16 le 24
Ip prefix-list Sue permit 172.16.0.0/12 le 24 ge 24

Access-list 101 permit ip 192.168.0.0 0.0.255.0 255.255.0.0 0.0.255.0
Access-list 102 permit ip 172.16.0.0 0.0.15.0 255.255.255.0 0.0.0.0

its the same..
Thanking You

Yours Sincerely

Divin Mathew John
divinjohn_at_gmail.com
divin_at_dide3d.com
http://www.dide3d.com
+91 9945430983
+91 9846697191
+974 5008916
PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt

On Tue, Jun 2, 2009 at 2:16 PM, Hong Chan <howard.chan34_at_gmail.com> wrote:

> access-list 10 permit 192.168.0.0
> This should means the host route, /32
>
>
>
> 2009/6/2 Ryan West <rwest_at_zyedge.com>
>
> > Hello,
> >
> > Hey fellows, a simple and direct question:
> >
> > Is there any difference that can be considered wrong in lab for these
> > sentences below?
> >
> > 1- ip prefix-list 10 permit 192.168.0.0/24 le 32 <-- allows 192.168.0.0
> > and every possible subnet combination from /24 to /32
> > 2- ip prefix-listB 10 permit 192.168.0.0/24 <-- allows just
> > 192.168.0.0/24
> > 3- access-list 10 permit 192.168.0.0 <-- in a routing process, this would
> > allow the subnet 192.168.0.0, but could mean anything from a /16 to a /32
> > 4- access-list 10 permit 192.168.0.0 0.0.0.255 <-- allows just the /24
> >
> > Can I use any one of them for matching network 192.168.0.0/24? I see
> they
> > work, but can they be correct for any instance? (we usually don't know
> > who can correct our lab, so have to be prepared).
> >
> > ---- Yes, the answer is it depends. You'll find that your freedom in
> > selection is already dictated to you by what a question either asks or
> > denies you from choosing. As far as matching the 192.168.0.0/24network,
> > option 1 would possibly be frown upon. Option 3 is pretty typical when
> > matching routes.
> >
> > Thanks
> >
> > Alexandre.
> >
> >
> > -ryan
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Tue Jun 02 2009 - 17:12:59 ART