Nexus 5000 policy mapping

Unanswered Question
Mar 4th, 2010

Hi there,


I am currently evaluating different vendor CNAs and therefore I need to configure different queues with different 802.1p priority bits.


I added a new QoS policy map and my config looks like this now:


Type qos policy-maps
  ====================

  policy-map type qos cna
    class type qos class-fcoe
      set qos-group 1
    class type qos class-default
      set qos-group 0
  policy-map type qos default-in-policy
    class type qos class-fcoe
      set qos-group 1
    class type qos class-default
      set qos-group 0


But what I am lloking for is a config like this (up to group/queu 7):



Type qos policy-maps
  ====================

  policy-map type qos cna

    class type qos class-test3
      set qos-group 4
   class type qos class-test2
      set qos-group 3
   class type qos class-test1
      set qos-group 2
    class type qos class-fcoe
      set qos-group 1
    class type qos class-default
      set qos-group 0
  policy-map type qos default-in-policy
    class type qos class-fcoe
      set qos-group 1
    class type qos class-default
      set qos-group 0



The problem is that whenever I try to add new class type qos class-test2 I always get the following error:


ERROR: Class-map class-test2 of type qos not configured


Any ideas??


According to the Nexus 5000 datashet it supports 8 hardware queues so I don't understand why this commadn doesn't work.


Any help is very very welcome!


Thx!

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allan.thomas Thu, 03/04/2010 - 14:11

Prior to configuring your type qos service-policy, you need to ensure that you created the classification objects first, the error suggests that you have not created the type qos class-maps before creating the policy-map.  For example according to your policy-map type qos cna, you should have the following classes already defined in the config:-


class-map type qos class-test3

  match

class-map type qos class-test2

  match

class-map type qos class-test1

  match

.

.

.

.

etc...


Hope this helps, please rate if you find it helpful

Thanks

Allan.

pzpgd1mlf Sun, 03/07/2010 - 17:47

This is from the Quality of Service Configuration Guide "A total of six system classes are supported. Two of the six system classes are defaults and are always present on the switch. Up to four additional system classes can be created by the administrator."

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