Re: 3550 QoS Marking

From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Sun Nov 20 2005 - 20:07:10 GMT-3


Sorry for catching up late on this thread, but just wanted to clarifiy
2 things here, because someone might read this archive later..

1) mls qos cos 3 can work in access port

2) mls qos cos does not set the precendence..

Please correct if i am wrong..

-V

On 11/15/05, Niche <jackyliu419@gmail.com> wrote:
> Hi there,
>
> "mls qos cos 3" will not kick-in cause your port is not a trunk port (and I
> assume that port is not connecting to a 7960). You can use class-default for
> marking remaining traffic to precedence 3.
>
> Cheers~
> Jacky
>
> On 11/15/05, Daniel Berlinski <Daniel.Berlinski@telecom.co.nz> wrote:
> >
> > Hi everyone.
> >
> > Will the following configs mark HTTP traffic coming from vlan 12 with
> > precedence 5 and mark the remaining traffic with precedence 3?
> >
> >
> >
> -----------------------------------------------------------------------------
> ---------------------------------------------
> > mls qos
> > access-list 170 permit tcp any any eq www
> >
> > class-map match-any HTTP
> > match access-group 170
> > class-map match-all VLAN12
> > match vlan 12
> > match class-map HTTP
> >
> > policy-map MARKING
> > class VLAN12
> > set ip precedence 5
> >
> > interface FastEthernet0/2
> > switchport access vlan 12
> > switchport mode access
> > mls qos cos 3
> > service-policy input MARKING
> >
> > Rack1SW1#sh mls qos inter fa0/2
> > FastEthernet0/2
> > Attached policy-map for Ingress: MARKING
> > trust state: not trusted
> > trust mode: not trusted
> > COS override: dis
> > default COS: 3
> > DSCP Mutation Map: Default DSCP Mutation Map
> > trust device: none
> >
> >
> -----------------------------------------------------------------------------
> ------------------------------------------------------------------
> >
> > From the documentation CD: "You cannot configure both port-based
> > classification and VLAN-based classification at the same time. When you
> > configure the match vlan vlan-list command, the class map becomes per-port
> > per-VLAN based. If you configure a policy map that contains both port-based
> > and VLAN-based class maps, the switch rejects the policy map when you
> attach
> > it to an interface"
> >
> > Will "mls qos cos 3" under the interface mark the remaining traffic with
> > precedence 3?
> >
> > Best regards
> >
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