Re: OT: Catalys 6500 qos policing doubts

From: marc edwards <renorider_at_gmail.com>
Date: Mon, 21 May 2012 23:58:13 -0700

I also noticed there is no mls qos trust.

On Mon, May 21, 2012 at 11:57 PM, marc edwards <renorider_at_gmail.com> wrote:

> Just curious is the 'platform' new to ios 15?
>
> platform qos queue-mode mode-dscp
>
> Is that this command?
>
> mls qos queue-mode mode-dscp
>
> To set the queuing mode to Differentiated Services Code Point (DSCP) on an
> interface, use the *mls qos queue-mode mode-dscp*command in interface
> configuration mode. To return to the default settings, use the *no* form
> of this command.
>
> *mls qos queue-mode mode-dscp*
>
> *no mls qos queue-mode mode-dscp*
> Syntax Description
>
> This command has no arguments or keywords.
> Command Default
>
> The queuing mode of an interfaces is class of service (CoS) mode.
> Command Modes
>
> Interface configuration (config-if)
> Command History
> Release
> Modification
>
> 12.2(18)SXF5
>
> This command was introduced.
>
>
>
> What about the show mls qos map dscp? can you do a sh mls qos interface
> or equivalent on the interfaces above?
>
> Marc
>
> On Mon, May 21, 2012 at 11:30 PM, Juan <fferrer10_at_gmail.com> wrote:
> > Hi Marc,
> >
> > I am using something like this (at each input L2 interface i have only a
> > different type of traffic i need to mark, the config i sent you is a
> > simplified version ):
> >
> > ...
> > access-list 10 permit any
> >
> > class-map class_in
> > match access-group 10
> >
> > policy-map pol_in1
> > class class_in
> > set dscp dscp1
> >
> > policy-map pol_in2
> > class class_in
> > set dscp dscp2
> > policy-map pol_in3
> > class class_in
> > set dscp dscp3
> >
> > interface TenGigabitEthernet2/3/14
> > switchport
> > switchport access vlan 200
> > switchport mode access
> > platform qos queue-mode mode-dscp
> > service-policy input pol_in1
> >
> > interface TenGigabitEthernet2/3/15
> > switchport
> > switchport access vlan 20
> > switchport mode access
> > platform qos queue-mode mode-dscp
> > service-policy input pol_in2
> >
> > interface TenGigabitEthernet2/3/16
> > switchport
> > switchport access vlan 2
> > switchport mode access
> > platform qos queue-mode mode-dscp
> > service-policy input pol_in3
> > ....
> >
> > This is, i am using a different policy-map at each input interface to
> mark
> > with a different dscp value
> >
> >
> > Regards.
> >
> >
> >
> > 2012/5/22 marc edwards <renorider_at_gmail.com>
> >>
> >> This sounds accurate. You are attempting to use mutations in ingress
> then
> >> police the new markings outgoing. It is a very thoughtful question. It
> >> sounds like mutations are off missing or QoS isn't enabled. How are you
> >> remarking on ingress?
> >>
> >>
> >> On Mon, May 21, 2012 at 3:00 PM, marc edwards <renorider_at_gmail.com>
> wrote:
> >> > 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
> >> >>>>
> >> >>>>
> >> >>>> Blogs and organic groups at http://www.ccie.net
> >> >>>>
> >> >>>> ______________________________**______________________________**
> >> >>>> ___________
> >> >>>> Subscription information may be found at:
> >> >>>>
> >> >>>> http://www.groupstudy.com/**list/CCIELab.html<
> http://www.groupstudy.com/list/CCIELab.html>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>> --
> >> >>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
> >> >>>
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >> Juan Faure
> >> >>
> >> >>
> >> >> Blogs and organic groups at http://www.ccie.net
> >> >>
> >> >>
> _______________________________________________________________________
> >> >> Subscription information may be found at:
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> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >>
> >
> >
> >
> > --
> > Juan Faure

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Received on Mon May 21 2012 - 23:58:13 ART

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