From: Tarun (tarun.ccie@gmail.com)
Date: Tue Apr 15 2008 - 06:57:17 ART
Thanks Lars for the response. I am sorrt I forgot to mention in my initial
post.
The questions specifically asks to create a class-map matching VLAN_B & then
set its ip precedence to 3 on interface f0/5. Also, there is not
configuration by default on port f0/5, so its in VLAN 1 by default.
I understand, what you said makes complete sense to me if that condition
about the class-map was not there.
Any idea's if my configuration is correct then?
On 4/15/08, Lars Christensen <perseusdk@gmail.com> wrote:
>
> Hi Tarun
>
> Since you set your port as an access port (switchport mode access), you
> don't need to match on Vlan 54. Actually you can just use the following:
>
> Policy-map SET_PREC_VLAN_B
> Class class-default
> Set precedence 3
> !
> interface FastEthernet0/5
> switchport mode access
> service-policy input SET_PREC_VLAN_B
>
> Or you can do it with the following:
>
> interface FastEthernet0/5
> switchport mode access
> mls qos cos 3
> mls qos cos override
> !
>
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/1
> 2.2_44_se/command/reference/cli1.html#wp1862788
>
> Regards,
> Lars Christensen, CCIE #20292
>
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Tarun
> Sent: 15. april 2008 09:06
> To: Cisco certification
> Subject: QoS Question
>
> Simple question ( Or may be) :-)
>
> I want to mark all the incoming traffic for a particular vlan on my
> switchport with a precedence of 3.
>
> I think I would use per pot per vlan classification for this which is as
> follows (assuming port f0/5, vlan 54)
>
> Class-map match-any DUMMY
> Class Map match-all PER_PORT_PER_VLAN_CLASS (id 2)
> Match vlan 54
> Match class-map DUMMY
> Policy Map SET_PREC_VLAN_B
> Class PER_PORT_PER_VLAN_CLASS
> set precedence 3
> interface FastEthernet0/5
> switchport mode access
> service-policy input SET_PREC_VLAN_B
>
> Is that solution correct, if not what is the mistake & the correct
> solution.
>
> DOCCD Reference:
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/1
> 2.2_25_seb/configuration/guide/swqos.html#wp1044737
>
> Thanks for your help.
>
>
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