[c-nsp] QoS VLAN trunk Port

[Cheikh-Moussa Ahmad]

Hi Arie,

thanks fort the hint. In my configuration I do not use QinQ tunnel.
The other thing is with this configuration I only map the cos to dscp vaules.
My aim is to change the cos values.

Do you know how to do so ?

Regards,
 Ahmad



> -----Ursprüngliche Nachricht-----
> Von: Arie Vayner (avayner) [mailto:avayner at cisco.com]
> Gesendet: Sonntag, 20. Juli 2008 21:06
> An: Cheikh-Moussa Ahmad; cisco-nsp at puck.nether.net
> Betreff: RE: [c-nsp] QoS VLAN trunk Port
> 
> Ahmad,
> 
> Take a look at "Configuring CoS Mutation":
> http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/46sg/con
> f
> iguration/guide/qos.html#wp1371466
> 
> Arie
> 
> -----Original Message-----
> From: Cheikh-Moussa Ahmad [mailto:acm at axians.de]
> Sent: Saturday, July 19, 2008 08:20 AM
> To: Arie Vayner (avayner); cisco-nsp at puck.nether.net
> Subject: AW: [c-nsp] QoS VLAN trunk Port
> 
> Hi Guys,
> 
> 
> 
> > In general, you enable "mls qos vlan-based" on the trunk, and apply
> the
> > qos policy on the SVI (interface vlan) - even without any L3 config
> on
> 
> > the SVI.
> >
> 
> For Qos this works very well. I have an aditionall requirement.
> Now I have to change the Cos values on the trunk Port.
> 
> So there is trunk between an Cisco Catalyst 4500 and a Juniper ERX.
> I want to change the CoS Values for every Vlan in a different way.
> 
> For Example: VLAN 15 CoS =5
>              VLAN 10 CoS =3
>              VLAN 20 CoS =1
> 
> My idea was to enhance the current policy-map configuration with the
> command "set cos x", but unfortunately the switch doesn't accept this
> command, although it is documented in CCO. I checked the Feature
> Navigator and IOS 12.2(40)SG IPBASE has the feature "Class Based
> Ethernet CoS Matching & Marking (802.1p & ISL CoS)".
> 
> So any ideas, why I can not configure this on my cat4500 ?
> Is there another way to achieve this ?
> 
> Regards,
>  Ahmad
> 



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