Command Reference Guide

3Com Router 5000 Family and Router 6000 Family if-match dscp ● 55
Command Reference
if-match dscp
Purpose Use the if-match dscp command to define an IP DSCP match rule.
Use the
undo if-match dscp command to delete an IP DSCP match rule.
Syntax if-match [ not ] dscp dscp-value
undo if-match [ not ] dscp dscp-value
Parameters dscp-value
DSCP value, in the range of 0 to 63.
Example Define the match rule of class1 as matching the packets with the DSCP value as 1, 6
or 9.
[3Com ] traffic classifier class1
[3Com -classifier-class1] if-match dscp 1 6 9
View This command can be used in the following views:
■ Class view
Description For a class, you can configure multiple IP DSCP match rules. The DSCP values specified
by them are automatically arranged in ascending order. Only when the specified DSCP
values are identical with those in the rule (sequence may be different) can the
command be deleted.
You may configure up to eight DSCP values in one command. If multiple DSCPs of the
same value are specified, the system regards them as one. Relation between different
DSCP values is “OR”.
Related Command traffic classifier