[c-nsp] ATM Subinterface QoS

Michel Grossenbacher pashtuk at gmail.com
Mon Dec 20 11:38:37 EST 2010


Hi Dave
AFAIK, you have to configure Traffic Shaping on ATM Interfaces over the
vbr-nrt or vbr-rt command on the PVC instead of Traffic Shaping in the MQC:

  vbr-nrt                 Enter Variable Bit Rate (pcr)(scr)(bcs)
  vbr-rt                  Enter Variable Bit Rate (pcr)(average)

best regards

Michel

On 20 December 2010 16:51, Dave Weis <djweis at internetsolver.com> wrote:

>
> I'm trying to get QoS on a subinterface of an OC3 to work correctly. I have
> been able to get it working for PPPoA interfaces in the past but the same
> method isn't working for me.
>
> This is how I have things declared:
>
> class-map match-all VOIP-TRAFFIC
>  match access-group name MY-VOICE
> !
> !
> policy-map OUTPUT-POLICER
>  class VOIP-TRAFFIC
>  priority 100
>  set dscp ef
>  class class-default
>  fair-queue
> policy-map MAP-1536-OUT
>  class class-default
>  shape average 1536000
>  service-policy OUTPUT-POLICER
> policy-map MAP-3072-OUT
>  class class-default
>  shape average 3072000
>  service-policy OUTPUT-POLICER
> policy-map MAP-256-OUT
>  class class-default
>  shape average 256000
>  service-policy OUTPUT-POLICER
>
> ip access-list standard EVERYTHING
>  permit any
> !
> ip access-list extended MY-VOICE
>  permit ip x.x.x.0 0.0.0.63 any
>
> interface ATM4/0.605 point-to-point
>  description FCP 3 Admin
>  ip address 192.168.110.9 255.255.255.252
>  pvc 5/45
>  protocol ip 192.168.110.10
>  broadcast
>  encapsulation aal5snap
>  !
>
> Trying to add service-policy output MAP-1536-OUT to the subinterface gives
> me the error
> GTS : Not supported on this interface
> If I add it to the PVC I get the error
> GTS : Not supported over ATM VCs
>
> Thanks for any help. I have done a lot of research and googling but have
> not had any luck finding something that will work for me. This is running on
> a 7200 12.4 with a PA-A3-OC3SMI and a NPE-GE1.
>
> Dave
>
>
>
>
> --
> Dave Weis
> 515-224-9229
> djweis at internetsolver.com
> http://www.internetsolver.com/
> Please check out our Complete Support Service
> http://www.internetsolver.com/completesupport/
>
>
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