Re: OT: Catalys 6500 qos policing doubts

Is mls qos enabled.

can you do a show mls qos?

On Mon, May 21, 2012 at 2:37 PM, Juan <fferrer10_at_gmail.com> wrote:
> Carlos, maybe i am misunderstanding the 15.0.1 IOS for 6500 config notes ,
> but at:
>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/15.0SY/configuration/guide/qos_class_mark_police.html
>
> you can see this note at "Overview of Policing":
>
> "For all policers, PFC QoS uses a configurable global table that maps the
> internal DSCP value to a marked-down DSCP value. When markdown occurs,
> PFC QoS gets the marked-down DSCP value from the table. You cannot specify
> marked-down DSCP values in individual policers."
> I am trying to do this:
>
> -mark some types of traffic entering Cat6500 layer 2 interfaces using
> different DSCP values
> -policing these same flows previously marked at a different output
> interface (layer 3 interface of the same 6500) , by matching them
> using dscp values "assigned" on the input. Then, i do not see clearly if
> the comment "You cannot specify marked-down DSCP values in individual
> policers." is a restriction for this type of config (i have done a SPAN of
> the output traffic, and i can not see the new dscp values... maybe this is
> normal because the dscp assigned at the input is only an "internal dscp" ??)
>
> Many thanks newly & Best Regards
>
>
>
>
> 2012/5/21 Carlos G Mendioroz <tron_at_huapi.ba.ar>
>
>> Where did you read that ?
>> AFAIK, you can mark on input and do congestion management on output even
>> on a 6k.
>> -Carlos
>>
>> JuanF @ 21/05/2012 15:40 -0300 dixit:
>>
>> Hi all,
>>>
>>> I have a 6509 Catalyst with:
>>> -Supervisor card 2T
>>> -Ios 15.0.SY1
>>>
>>> I need to do a QoS policing configuration on this hardware, with these
>>> conditions:
>>>
>>> -Mark Dscp value from some types of IP traffic on several layer2 INPUT
>>> Interfaces of the 6509
>>> -Use these DSCPs marks to aply different QoS policings to these flows
>>>
>>> Is it possible to do all this by configuring only the 6500 switch? (this
>>> is,
>>> without depending of matching the dscp value marked by a diferent
>>> device). I
>>> read you can not mark the Dscp on the 65000 and also manipulate the same
>>> traffic using these Dscps values locally asigned on the 65000.
>>>
>>> TIA and Best Regards
>>>
>>>
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>> --
>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>>
>
>
>
> --
> Juan Faure
>
>
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Received on Mon May 21 2012 - 15:00:33 ART