Dell M6220 User Configuration Manual page 1166

CLI Command
cos-queue min-bandwidth
bw
cos-queue strict
cos-queue random-detect
queue-id
exit
exit
show interfaces cos-queue
1166
Configuring Class-of-Service
Description
Specify the minimum transmission bandwidth (range:
0-100% in 1% increments) for each interface queue.
queue-id
Activate the strict priority scheduler mode for each
specified queue. The
Set the queue management type for the specified
queue to WRED. The no version of this command
resets the value to taildrop.
Exit to Global Config mode.
Exit to Privilege Exec mode.
Display the class-of-service queue configuration for a
specified interface or all interfaces.
queue-id
value ranges from 0 to 6.