Set - Cisco Catalyst 3550 Command Reference Manual

Chapter 2 Cisco IOS Commands

set

Use the set policy-map class configuration command to classify IP traffic by setting a class of service
(CoS), Differentiated Services Code Point (DSCP), or IP-precedence value in the packet. Use the no
form of this command to remove traffic classification.
Syntax Description
cos new-cos
ip dscp new-dscp
ip precedence new-precedence
Though visible in the command-line help strings, the mpls keyword is not supported.
Note
Defaults
No traffic classification is defined.
Command Modes
Policy-map class configuration
Command History Release
12.1(4)EA1
12.1(12c)EA1
Usage Guidelines
Within the same policy map, you should not use the set command with the trust policy-map class
configuration command unless you also use the mls qos cos policy-map global configuration command.
For information about using this command, see the
You cannot use the service-policy interface configuration command to attach policy maps that contain
these elements to an egress interface:
•
•
•
78-11195-09
set {cos new-cos | ip dscp new-dscp | ip precedence new-precedence}
no set {cos new-cos | ip dscp new-dscp | ip precedence new-precedence}
Modification
This command was first introduced.
The cos keyword was added.
set or trust policy-map class configuration commands. Instead, you can use the police policy-map
class configuration command to mark down (reduce) the DSCP value at the egress interface.
Access control list (ACL) classification.
Per-port per-VLAN classification.
New CoS value assigned to the classified traffic. The range is from
0 to 7.
New DSCP value assigned to the classified traffic. The range is
0 to 63. You also can enter a mnemonic name for a commonly used
value.
New IP-precedence value assigned to the classified traffic. The
range is 0 to 7. You also can enter a mnemonic name for a
commonly used value.
"mls qos cos policy-map" section on page
Catalyst 3550 Multilayer Switch Command Reference
set
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