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Catalyst 6500 Series Switch Command Reference—Release8.1
78-15474-01
Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
set qos dscp-cos-map
set qos dscp-cos-map
To set the DSCP-to-CoS mapping, use the set qos dscp-cos-map command.
set qos dscp-cos-map dscp_list:cos_value ...
Syntax Description
Defaults The default DSCP-to-CoS configuration is listed in Table 2- 18.
Command Types Switch command.
Command Modes Privileged.
Usage Guidelines The DSCP-to-CoS map is used to map the final DSCP classification to a final CoS. This final map
determines the output queue and threshold to which the packet is assigned. The CoS map is written into
the ISL header or 802.1Q tag of the transmitted packet on trunk ports and contains a table of 64 DSCP
values and their corresponding CoS values. The switch has one map.
This command is supported on systems configured with a Layer 3 switc hing e ngine onl y.
Examples This example shows how to set the DSCP-to-CoS mapping:
Console> (enable) set qos dscp-cos-map 20-25:7 33-38:3
QoS dscp-cos-map set successfully.
Console> (enable)
Related Commands clear qos map
show qos maps
dscp_list Number of the DSCP; valid values are from 0 to 63.
cos_value... Number of the CoS; valid values are from 0 to 7.
Table2-18 DSCP-to-CoS Mapping
DSCP 0 to 7 8 to 15 16 to 23 24 to 31 32 to 39 40 to 47 48 to 55 56 to 63
CoS 01234567