Re: [nsp] QoS for a particular set of flows over a DS3...

From: Gilles Dufour (gdufour@cisco.com)
Date: Thu Dec 23 1999 - 07:54:09 EST


Andy,

Class Based Weighted Fair Queueing is what you need.

Sample config for R1 and R2 :

class-map best-prio
  match access-group 101
class-map best-effort
  match access-group 102

policy-map mypolicy
  class best-prio
     bandwidth 2000...
  class best-effort
     bandwidth 2000...

access-list 101 permit ip x.x.x.x mask y.y.y.y mask
access-list 102 deny ip x.x.x.x mask y.y.y.y mask
access-list 102 permit ip any any

int DS3
   service-policy out mypolicy

With this config, you assure that in case of congestion half of the bandwitdh
(this is configurable) is reserved for the high priority traffic and the other
half is for best-effort.

Regarding the IOS version, it may be supported in your version.
If not, go to 12.0(7)T.

Regards,

Gilles.

-- 



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