CLI Reference Guide

QoS Commands 367
Command Mode
Class-Map Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example displays how to add a match condition based on ethertype.
console(config-classmap)#match ethertype arp
match ip dscp
Use the match ip dscp command in Class-Map Configuration mode to add to the specified class
definition a match condition based on the value of the IP DiffServ Code Point (DSCP) field in a
packet. This field is defined as the high-order six bits of the Service Type octet in the IP header.
The low-order two bits are not checked.
Syntax
match ip dscp dscpval
• dscpval —Specifies an integer value or a keyword value for the DSCP field. (Integer
Range: 0 - 63) (Keyword Values:
af11 , af12 , af13 , af21 , af22 , af23 , af31 , af32 , af33 , af41 ,
af42 , af43 , be , cs0 , cs1 , cs2 , cs3 , cs4 , cs5 , cs6 , cs7 , ef )
Default Configuration
This command has no default configuration.
Command Mode
Class-Map Configuration mode
User Guidelines
The ip dscp , ip precedence , and ip tos match conditions are alternative ways to specify a
match criterion for the same Service Type field in the IP header but with a slightly different
user notation.
To specify a match on all DSCP values, use the
match ip tos tosbits tosmask command with
tosbits set to "0" (zero) and tosmask set to hex "03."
Example
The following example displays how to add a match condition based on the DSCP field.
console(config-classmap)# match ip dscp 3