Changing From 8Q Mode To 4Q Mode; Configuring An Mqc Object; Configuring Or Modifying A Class Map - Cisco Nexus 9000 Series Configuration Manual

Configuring an MQC Object

====================
policy-map type qos p1
switch(config)# conf t
switch(config)# int ethernet 2/1
switch(config-if)# service-policy type qos input p1
switch(config-if)# show policy-map interface ethernet 2/1
Global statistics status :
Ethernet2/1
Service-policy (qos) input:

Changing from 8q Mode to 4q Mode

Use the following guidelines to change from 8q mode to 4q mode:
• Ensure that none of the active input QoS policies have set qos-group action for qos-groups 4-7, so that
• Ensure that all 8q interface policies and 8q system level policies are replaced with corresponding 4q
• Replace the 8q network-qos policy with a corresponding 4q policy.
Configuring an MQC Object
When you specify an MQC object command, the device creates the object if it does not exist and then enters
map mode.
To remove a class-map or policy-map object, use the no form of the command that you used to create the
object.

Configuring or Modifying a Class Map

You can create or modify a class map. You can then reference class maps in policy maps.
Cisco Nexus 9000 Series NX-OS Quality of Service Configuration Guide, Release 7.x
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class c1
set qos-group 1
class c2
set qos-group 4
class c3
set qos-group 7
SNMP Policy Index: 285226505
Class-map (qos): c1 (match-all)
Match: dscp 10
set qos-group 1
Class-map (qos): c2 (match-all)
Match: dscp 20
set qos-group 4
Class-map (qos): c3 (match-all)
Match: dscp 30
set qos-group 7
no traffic flows towards queues 4-7.
policies.
enabled
p1
Using Modular QoS CLI