Re: QoS - Per-Port Per-VLAN question

From: storage4mail (storage4mail@googlemail.com)
Date: Thu Aug 31 2006 - 02:37:08 ART


Thanks folks.

Couple fo things, "match vlan" and "match class-map" commands are not there
in 12.2 of 3560s, 12.2(25)SEE2 (Adv. Enterprise Services) to be more
precise. Thus heads up for post November.

As for 3550 and 3570 IOSes, they list per-port per-vlan policing as an
available feature. Cisco still hasn't updated their 'feature finder' tool
with 3560 details.

----- Original Message -----
From: "sabrina pittarel" <sabri_esame@yahoo.com>
To: "storage4mail" <storage4mail@googlemail.com>; <ccielab@groupstudy.com>
Sent: Wednesday, August 30, 2006 11:43 PM
Subject: Re: QoS - Per-Port Per-VLAN question

> Hi,
> these are my 2 cents.
> What they are trying to do, with a question like that, is to see if you
> know that on the switches (exclusively) a "match vlan" commands exists.
> When they ask you to configure something on a switch, always ask to
> yourself:
> why on the switch? Most likely they are looking for a specific command
> that you cannot do anywhere else.
>
> Sabrina
>
>
> ----- Original Message ----
> From: storage4mail <storage4mail@googlemail.com>
> To: ccielab@groupstudy.com
> Sent: Wednesday, August 30, 2006 1:01:09 PM
> Subject: QoS - Per-Port Per-VLAN question
>
> Here's a scenario for which I'd like your input on two given
> configurations
> below (as to what's the difference),
>
> Scenario:
>
> Incoming traffic from a certain interface (y) in a switch that is assigned
> to specific VLAN(x) needs to be marked with immediate precedence.
>
> Config. 1:
>
> ip cef
>
> class-map CLASS1
> match access-group name VLANx
>
> policy-map PM
> class CLASS1
> set ip precedence immediate
>
> interface y
> service-policy input PM
>
> ip access-list standard VLANx
> permit <VLANx prefix with inverse mask>
>
> Config. 2:
>
> ip cef
>
> class-map CLASS1
> match access-group 1
>
> class-map CLASS2
> match vlan x
> match class-map CLASS1
>
> policy-map PM
> class CLASS2
> set ip precedence immediate
>
> int y
> service-policy input PM
>
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