Command Reference Guide

3Com Router 5000 Family and Router 6000 Family if-match dot1p-cos ● 53
Command Reference
if-match dot1p-cos
Purpose Use the if-match dot1p-cos command to define a COS field match rule for
VLAN packets.
Use the
undo if-match atmclp command to delete the specified COS field
match rule for VLAN packets.
Syntax if-match [ not ] dot1p-cos cos-value
if-match [ not ] dot1p-cos cos-value
Parameters cos-value
COS value in VLAN packets, in the range 0 to 7.
Example Define a rule, setting that the VLAN packets with COS field of 1, 3, or 6 are matched.
[3Com ] traffic classifier class1
[3Com -classifier-class1] if-match dot1p-cos 1 3 6
View This command can be used in the following views:
■ Class view
Description For a class, you can configure multiple COS field match rules. The COS values
specified by them are automatically arranged in ascending order.
You can specify up to eight COS values in one if-match dot1p-cos command. In
case the same value is specified multiple times, only one of them is valid. If the COS
value of a VLAN packet matches one of the specified COS values, the system regards
that a match is found.
Related Command traffic classifier