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Configuring Congestion Management 687
lengths of various queues, and the number of bytes that may be continuously
transmitted by polling of every queue.
The priority queue may be configured according to the following methods:
1 Configure the priority queue according to the network layer protocol
Based on packet length, TCP/UDP port number, whether or not matching ACL,
you can classify data packets, so that they can enter the queues with different
priority.
Perform the following configurations in system view.
Table 721 Configure the Priority Queue According to the Network Layer Protocol
By default, no priority queue is established.
Among them, pql-index is the group number of the priority queue, and
protocol-name is the protocol name, the current value may be IP.
With protocol-name as IP, value of queue-option is listed in the following table:
Table 722 Values of Queue-Option with Protocol as IP
2 Configure the priority-list queuing according to the interface
The data packets can be classified according the different types of interfaces into
which the data packets are input, and be input into different priority queues.
Please perform the following configurations in the system view
Table 723 Configure the Priority-List Queuing According to the Interface
Operation Command
Configure the priority queue according to
the network layer protocol
qos pql pql-index protocol
protocol-name queue-option queue {
top | middle | normal | bottom }
Delete the classification policy in the
priority queue
undo qos pql pql-index protocol
protocol-name queue-option queue {
top | middle | normal | bottom }
queue-option Meaning
Empty All IP packets can be processed into queue
acl acl-number (1∼199) All IP packet fragments can be processed into
priority queue
fragments IP packets defined by theacl-number (normal) can
be processed into priority queue
greater-than bytes (0∼65535) IP packet with a length less than a certain value can
be processed into queue
less-than bytes (0∼65535) IP packet with a length greater than a certain value
can be processed into queue
tcp port (0∼6553) With the source or destination TCP port of IP packet
being the specified port, the packet can be
processed into queue.
udp port (0∼65535) With the source or destination UDP port of IP
packet being the specified port, the packet can be
processed into priority queue.
Operation Command
Configure the priority-list queuing
according to the interface
qos pql pql-index inbound-interface
interface-type interface-number
queue { top | middle | normal |
bottom }