From: Tarun Pahuja (pahujat@gmail.com)
Date: Mon Nov 26 2007 - 09:12:02 ART
Amin,
Using that specific command you are setting the COS in packets
coming into the switch port on access-vlan equal to 0.
HTH,
Tarun
On Nov 26, 2007 6:31 AM, CCIE <ccie@axizo.com> wrote:
> Dear Experts
>
>
>
> I found this command in several scenarios of the Cisco documentation? But
> I
> can't understand the logic why I would need the last command?
>
> Could anybody try to explain that to me?
>
>
>
> Mls qos
>
> Int f0/1
>
> Switchport access vlan 4
>
> Switchport voice vlan 40
>
> Mls qos trust cos
>
> Switchport priority extend cos 0 <== This command
>
>
>
>
>
> Why I would use the last command to re-tag the CoS of the data, especially
> it is an access port for the data VLAN (i.e. no tags will come to me with
> the data frames)
>
>
>
>
>
> Regards,
>
> Amin
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sat Dec 01 2007 - 06:37:31 ART