Command Reference Guide

3Com Router 3000 Ethernet Family
Command Reference Guide
Chapter 2 Congestion Management Configuration
Commands
3Com Corporation
2-7
For the same pql-index, this command can be repeatedly used, establishing multiple
classification rules for IP packets.
Related command: display qos pql.
Example
# Specify PQ rule 1 to make IP packets matching ACL 3100 be put into the top queue.
[3Com ] qos pql 1 protocol ip acl 3100 queue top
2.2.7 qos pql queue
Syntax
qos pql pql-index queue { top | middle | normal | bottom } queue-length
queue-length
undo qos pql pql-index queue { top | middle | normal | bottom } queue-length
View
System view
Parameter
pql-index: PQL index, ranging 1 to 16.
queue-length: Four length values of priority queues, ranging 1 to 1024. By default, the
length values of the queues are as following:
The default length value of the top queue is 20.
The default length value of the middle queue is 40.
The default length value of the normal queue is 60.
The default length value of the bottom queue is 80.
Description
Use the qos pql queue command to specify the maximum number of packets that can
wait in each of the priority queues, or the length of a PQ.
Use the undo qos pql queue command to restore to the default value of each PQ
length.
If a queue is full, any newly incoming packet will be dropped.
Related command: qos pql default-queue, qos pql inbound-interface, qos pql
protocol, qos pq.
Example
# Specify the maximum number of packets waiting in the top priority queue 10 to 10.
[3Com ] qos pql 10 queue top queue-length 10