Cos-to-queue Map Configuration 
This chapter contains a complete sample of configuring Cos-to-queue map.
Topology
Figure 3-4: 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
 
Last modified date: 11-02-2023