Qos Cos; Qos Dscp-Mutation - Cisco 300 Series Cli Manual

49
Quality of Service (QoS) Commands

49.34 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
default-cos
qos 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: 0–7)
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 gi5 default CoS value as 3.
switchxxxxxx(config)# interface 5
gi
switchxxxxxx(config-if)# 3
qos cos

49.35 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.
830 78-21075-01 Command Line Interface Reference Guide