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Quality of Service (QoS) Commands
78-20269-01 Command Line Interface Reference Guide
592
41
41.34 qos cos
Use the qos cos Interface Configuration (Ethernet, Port-channel) mode command
to define the default CoS value of a port. Use the no form of this command to
restore the default configuration.
Syntax
qos cos
default-cos
no qos cos
Parameters
default-cos—Specifies the default CoS value (VPT value) of the port. If the port is
trusted and the packet is untagged, then the default CoS value become the CoS
value. (Range: 0–16)
Default Configuration
The default CoS value of a port is 0.
Command Mode
Interface Configuration (Ethernet, Port-channel) mode
User Guidelines
Use the default CoS value to assign a CoS value to all untagged packets entering
the interface.
Example
The following example defines the port
gi
5 default CoS value as 3 .
Console(config)#
interface
gi
5
Console(config-if)#
qos cos
3
41.35 qos dscp-mutation
Use the qos dscp-mutation Global Configuration mode command to apply the
DSCP Mutation map to system DSCP trusted ports. Use the no form of this
command to restore the trusted port with no DSCP mutation.