670 QoS Commands
match ip precedence
Use the match ip precedence command in Class-Map Configuration mode to
add to the specified class definition a match condition based on the value of
the IP precedence field.
Syntax
match ip precedence

precedence

•

precedence

— Specifies the precedence field in a packet. This field is the
high-order three bits of the Service Type octet in the IP header. (Integer
Range: 0–7)
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 precedence values, use the match ip tos

tosbits

tosmask

command with tosbits set to "0" (zero) and tosmask set to hex "1F."
Example
The following example displays adding a match condition based on the value
of the IP precedence field.
console(config-classmap)#match ip precedence 1
match ip tos
Use the match ip tos command in Class-Map Configuration mode to add to
the specified class definition a match condition based on the value of the IP
TOS field in a packet. This field is defined as all eight bits of the Service Type
octet in the IP header.
2CSPC4.XCT-SWUM2XX1.book Page 670 Monday, October 3, 2011 11:05 AM