Reference Guide

Quality of Service (QoS) Commands 751
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CLI\files\QoS.fm
DELL CONFIDENTIAL – PRELIMINARY 10/21/13 - FOR PROOF ONLY
Example
The following example configures gigabitethernet port 1/0/15 to the default
trust state.
Console(config)# interface gi1/0/ 15
Console(config-if)# qos trust
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 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 port. Use the qos cos override command to assign this default
CoS value to tagged packets.
Example
The following example defines the port gi1/0/ 15 default CoS value as 3 .