Priority-queue – Allied Telesis AT-DC2552XS User Manual
Page 510

Chapter 21: Quality of Service (QoS) Commands
510
Section V: Security and Traffic Control
PRIORITY-QUEUE
Syntax
priority-queue
queue_numbers
Parameter
queue_numbers
Specifies one or multiple numbers of egress queues to use the
Strict Priority Queuing (PQ) technique. The queue number can be
0 to 7. Use a space to separate numbers. By default, all egress
queues are specified in Strict PQ.
Mode
Port Interface mode
Description
Use this command to specify egress queues in the specified port to use
the Strict Priority Queuing (PQ) technique to schedule queues. In Strict
PQ, packets in a high-priority queue are scheduled before packets in
lower-priority queues. The switch empties a queue before moving to a
lower-priority queue.
Strict PQ has higher priority than WRR queuing. When a port uses both
Strict PQ and Weight Round Robin (WRR) scheduling, packets in WRR
queues are not forwarded until queues in Strict PQ are emptied.
You must enable QoS on the switch to use this command. To enable QoS,
see “MLS QOS ENABLE” on page 503.
Confirmation Command
“SHOW MLS QOS INTERFACE” on page 519
Example
This example specifies egress queues on the port 1.0.10 to use the Strict
PQ technique:
awplus> enable
awplus# configure terminal
awplus(config)# interface port1.0.10
awplus(config-if)# priority-queue 0 1 2 3 4 5 6 7