From: Alex De Gruiter (Alex.deGruiter@didata.com.au)
Date: Mon Nov 20 2006 - 20:15:05 ART
Alexey,
I found this command confusing also. The method to map IP precedence
values seemed strange to me. What I found was that this particular
command maps the values using the following method:
IP Precedence 0 = 0000 0001
IP Precedence 1 = 0000 0010
IP Precedence 2 = 0000 0100
Etc.
Therefore, to match precedence 2,4 and 7, use a logical AND for the
values, and you'll would end up with:
1001 0100
Convert this to hex, and you will have 94 for the mask.
I found this page useful:
http://www.oreilly.com/catalog/ciscockbk/errata/ciscockbk.confirmed
I thought that the translation of IP Precedence values would follow the
"normal" IP Precedence --> DSCP translation, i.e.
* 000 (0) - Routine
* 001 (1) - Priority
* 010 (2) - Immediate
* 011 (3) - Flash
* 100 (4) - Flash Override
* 101 (5) - Critical
* 110 (6) - Internetwork Control
* 111 (7) - Network Control
But that is not the case!
HTH,
Alex
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Bajo
Sent: Sunday, 19 November 2006 1:41 AM
To: Alexey Tolstenok
Cc: Cisco certification
Subject: Re: Access-list rate-limit
A search using "access-list rate-limit site:www.cisco.com/univercd"
should give u enough.
On 11/18/06, Alexey Tolstenok <alextols@gmail.com> wrote:
>
> Hello GS
> Where can I read about configuring 'access-list rate-limit'?
> In UniverCD there are poor examples.
>
> For instance, how to construct precedence bit mask to match precedence
> 2,4 and 7 in one statement?
>
> --
> SY, Alexey
>
> ______________________________________________________________________
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>
-- Kind Regards,Bajo
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