Reference Guide

680 QoS Commands
User Guidelines
There are no user guidelines for this command.
Example
The following example adds a rule to match packets whose IPv6 Flow Label
equals 32312.
console(config-classmap)#match ip6flowlbl 32312
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."
2CSPC4.XModular-SWUM204.book Page 680 Friday, March 15, 2013 9:24 AM