Dell PowerConnect 6248 Command Line Interface Guide - Page 468

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 3 468 QoS Commands