[c-nsp] CBWFQ/PQ Support on 6500/SUP720-3BXL

[David Granzer]

On 6/11/08, Zahid  Hassan <zhassan at gmx.net> wrote:
> Many thanks for this David.
>
>  Yes, the "priority" and as well as the "bandwidth" command doesn't
>  seems to be supported in either ingress or egress direction.
>
>  I am thinking of configuring "wrr-queues" and I don't know
>  if I can at all match on EXP bits.
>
>  Does anyone know how to match on EXP bits within a wrr-queue ?

For MPLS packets, the EXP value is mapped into an internal DSCP so
that the PFC3BXL or PFC3B can apply non-MPLS QoS marking and policing.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/configuration/guide/mplsqos.html

David

>
>
>  Thanks in advance.
>
>
>  Zahid
>
>  -------- Original-Nachricht --------
>  > Datum: Wed, 11 Jun 2008 10:36:32 +0200
>  > Von: "David Granzer" <dgranzer at gmail.com>
>  > An: "Zahid Hassan" <zhassan at gmx.net>
>  > CC: "Cisco NSP Puck Nether Net (Cisco NSP)" <cisco-nsp at puck.nether.net>, zhassan at bis-internet.co.uk
>  > Betreff: Re: [c-nsp] CBWFQ/PQ Support on 6500/SUP720-3BXL
>
>
>  > Hello,
>  >
>  > n 6/11/08, Zahid Hassan <zhassan at gmx.net> wrote:
>  > > Dear All,
>  > >
>  > >
>  > >  I have a requirement to implement CBWFQ/LLQ matching
>  > >  on EXP bits on a 6500 with SUP720-3BXL.
>  > >
>  > >  Since the "priority" command is not supported within a policy-map,
>  > >  I am wondering if this can be achieved using "wrr-queues".
>  > >
>  > >  This is the failure message when I apply the service-policy:
>  > >
>  > >  6500(config-if)#service-policy input CORE-THREE-CLASS
>  > >  priority command is not supported in input direction
>  > >  for this interface configuration failed!
>  >
>  > above you try using priority in ingress direction which is not
>  > supported generally. Second problem in your case will be that
>  > 6500/7600 LAN cards does not support CBWFQ like 7200/7301 etc. You
>  > must use L2 QoS, see  "Quality of Service on Cisco Catalyst 6500"
>  >
>  > http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/prod_white_paper0900aecd803e5269.html
>  >
>  > David
>  >
>  >
>  > >
>  > >  This is for a WS-X6704-10GE linecard with supports 1p7q8t.
>  > >
>  > >  I will be really grateful for input or pointers about this.
>  > >
>  > >  Thanking in you advance.
>  > >
>  > >
>  > >  Regards,
>  > >
>  > >
>  > >
>  > >  Zahid
>  > >  _______________________________________________
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>  > >
>
>
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