Set Precedence - Cisco Catalyst 4500 Series Configuration Manual

Chapter 2

set precedence

To set the precedence value in the packet header, use the set precedence command in policy-map class
configuration mode. To remove the precedence value, use the no form of this command.
Syntax Description
precedence-value
from-field
table
table-map-name
Command Default
Disabled
Command Modes Policy-map class configuration mode
Command History Release
12.2(8a)EW
12.2(40)SG
Usage Guidelines
Command Compatibility
The set precedence command cannot be used with the set dscp command to mark the same packet. The
two values, DSCP and precedence, are mutually exclusive. A packet can be one value or the other, but
not both.
set precedence {precedence-value | from-field [table table-map-name]}
no set precedence {precedence-value | from-field [table table-map-name]}
A number from 0 to 7 that sets the precedence bit in the packet header.
Specific packet-marking category to be used to set the precedence value of
the packet. If you are using a table map for mapping and converting
packet-marking values, this argument value establishes the "map from"
packet-marking category. Packet-marking category keywords are as follows:
cos
•
qos-group
•
• dscp
• precedence
(Optional) Indicates that the values set in a specified table map will be used
to set the precedence value.
(Optional) Name of the table map used to specify a precedence value based
on the class of service (CoS) value. The name can be a maximum of 64
alphanumeric characters.
Modification
This command was introduced on the Catalyst 4500 series switch.
Added support for from-field on Supervisor Engine 6-E and Catalyst
4900M.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
set precedence
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