Re: OT: Catalys 6500 qos policing doubts

Hi Marc,

This is a Sup2T with PFC4... the PFC3 "mls qos" command was replaced by
"auto qos default" command

Anyway, qos support is enabled.

Best Regards

2012/5/22 marc edwards <renorider_at_gmail.com>

> 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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> >>>
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> >>>
> >>>
> >>>
> >>>
> >> --
> >> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
> >>
> >
> >
> >
> > --
> > Juan Faure
> >
> >
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> >
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>

-- 
Juan Faure
Blogs and organic groups at http://www.ccie.net