C
HAPTER
38
| Quality of Service Commands
– 1185 –
COMMAND USAGE
◆ First enter this command to designate a class map and enter the Class
Map configuration mode. Then use match commands to specify the
criteria for ingress traffic that will be classified under this class map.
◆ One or more class maps can be assigned to a policy map (page 1188).
The policy map is then bound by a service policy to an interface
(page 1199). A service policy defines packet classification, service
tagging, and bandwidth policing. Once a policy map has been bound to
an interface, no additional class maps may be added to the policy map,
nor any changes made to the assigned class maps with the match or
set commands.
EXAMPLE
This example creates a class map call “rd-class,” and sets it to match
packets marked for DSCP service value 3:
Console(config)#class-map rd-class match-any
Console(config-cmap)#match ip dscp 3
Console(config-cmap)#
RELATED COMMANDS
show class-map (1199)
description This command specifies the description of a class map or policy map.
SYNTAX
description string
string - Description of the class map or policy map.
(Range: 1-64 characters)
COMMAND MODE
Class Map Configuration
Policy Map Configuration
EXAMPLE
Console(config)#class-map rd-class#1
Console(config-cmap)#description matches packets marked for DSCP service
value 3
Console(config-cmap)#
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