Cisco Systems 3130 User Manual

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Cisco Catalyst Blade Switch 3130 for Dell Software Configuration Guide
OL-13270-01
Chapter 36      Configuring QoS
Configuring Standard QoS
Switch(config-pmap-c)# trust dscp
Switch(config-pmap-c)# police aggregate transmit1
Switch(config-pmap-c)# exit
Switch(config-pmap)# class ipclass2
Switch(config-pmap-c)# set dscp 56
Switch(config-pmap-c)# police aggregate transmit1
Switch(config-pmap-c)# exit
Switch(config-pmap)# exit
Switch(config)# interface gigabitethernet2/0/1
Switch(config-if)# service-policy input aggflow1
Switch(config-if)# exit
Configuring DSCP Maps
These sections contain this configuration information:
 (optional)
 (optional)
 (optional, unless the null settings in the map are 
not appropriate)
 (optional)
 (optional, unless the null settings in the 
map are not appropriate)
All the maps, except the DSCP-to-DSCP-mutation map, are globally defined and are applied to all ports.
Configuring the CoS-to-DSCP Map
You use the CoS-to-DSCP map to map CoS values in incoming packets to a DSCP value that QoS uses 
internally to represent the priority of the traffic. 
 shows the default CoS-to-DSCP map.
If these values are not appropriate for your network, you need to modify them.
Table 36-12
Default CoS-to-DSCP Map
CoS Value
DSCP Value
0
0
1
8
2
16
3
24
4
32
5
40
6
48
7
56