Cos-to-queue Map Configuration 
This chapter contains a complete sample of configuring Cos-to-queue map.
Topology
Simple configuration of CoS
Configuration of Cos-to-queue Map on configuration mode
The following steps describe how to configure Cos-to-queue map on configuration mode.
 
| #configure terminal | Enter configure mode. | 
| (config)#qos enable | Enable QoS globally. | 
| (config)#qos statistics | Enable QoS statistics. | 
| (config)#qos profile cos-to-queue Profile2 | Enter cos-to-queue profile configuration mode | 
| (config-ingress-cos-map)#cos 2 queue 4 | Map cos 2 to queue 4 under cos-to-queue profile configuration mode | 
| (config-ingress-cos-map)#exit | Exit configure mode. | 
| (config)#qos profile cos-to-queue Profile4 | Enter cos-to-queue profile configuration mode | 
| (config-ingress-cos-map)#cos 3 queue 4 color yellow | Map cos 3 to queue 4 for yellow packets | 
| (config-ingress-cos-map)#exit | Exit cos-to-queue map profile configuration | 
| (config)#exit | Exit configure mode. | 
Validation
Enter the commands below to confirm the configurations. 
#show running-config qos qos enable
qos statistics
!
qos profile cos-to-queue Profile2
 cos 2 dei all queue 4
qos map cos 2 queue 4
!
qos profile cos-to-queue Profile4
 cos 3 dei all queue 4 color yellow
!
 
Configuration of Cos-to-queue Map Profile on Interface mode
The following steps describe how to configure Cos-to-queue map profile on interface mode.
 
| #configure terminal | Enter configure mode. | 
| (config)#qos enable | Enable QoS globally. | 
| (config)#qos statistics | Enable QoS statistics. | 
| (config)#interface xe2 | Enter interface mode. | 
| (config-if)#switchport | Configure the port as switchport | 
| (config-if)#qos map-profile cos-to-queue Profile2 | Map cos-to-queue profile on the interface | 
| (config-if)#exit | Exit interface mode. | 
| (config)#exit | Exit configure mode. | 
| (config)#interface xe3 | Enter interface mode. | 
| (config-if)#switchport | Configure the port as switchport | 
| (config-if)#qos map-profile cos-to-queue Profile4 | Map cos-to-queue profile on the interface | 
| (config-if)#exit | Exit interface mode. | 
| (config)#exit | Exit configure mode. | 
Validation
Enter the commands below to confirm the configurations. 
#show running-config qos 
qos enable
qos statistics
!
qos profile cos-to-queue Profile2
 cos 2 dei all queue 4
!
!
!
interface ce3/1
 qos map-profile cos-to-queue Profile2
!
qos profile cos-to-queue Profile4
 cos 3 dei all queue 4 color yellow
!
!
#show qos-profile type cos-to-queue Profile4
profile name: Profile4
profile type: cos-to-queue
profile attached to 0 instances
configured mapping:
 cos 3 dei all queue 4 color yellow
Detailed mapping:
 ---------------+----------------- | ---------------+-----------------
      INPUT     |     OUTPUT       |      INPUT     |     OUTPUT
 ---------------+----------------- | ---------------+-----------------
   COS  |  DEI  | Queue |  Color   |   COS  |  DEI  | Queue |  Color
 -------+-------+-------+--------- | -------+-------+-------+---------
  0       0       0       green    |  0       1       0       yellow
  1       0       1       green    |  1       1       1       yellow
  2       0       2       green    |  2       1       2       yellow
  3       0       4       yellow   |  3       1       4       yellow
  4       0       4       green    |  4       1       4       yellow
  5       0       5       green    |  5       1       5       yellow
  6       0       6       green    |  6       1       6       yellow
  7       0       7       green    |  7       1       7       yellow