Qtech QSW-2910-09T-POE-AC/DC [101/212] Priority configuration

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7.2.5 Priority configuration

Traffic priority configuration is the strategy of remark priority for matching packet in ACL, and

the marked priority can be filled in the domain which reflect priority in packet head.

Use following command to configure priority mark configuration.

Configure it in global configuration mode.

 Mark packet priority

traffic-priority { [ ip-group { access-list-number | access-list-name } [ subitem subitem ] ]

[ link-group { access-list-number | access-list-name } [ subitem subitem ] ] } } { [ dscp dscp-

value | precedence { pre-value | from-cos } ] [ cos { pre-value | from-ipprec } ] [ local-

precedence pre-value ] }

 Cancel packet priority configuration

no traffic-priority { [ ip-group { access-list-number | access-list-name } [ subitem subitem ] ]

[ link-group { access-list-number | access-list-name } [ subitem subitem ] ] } }

System will mark IP priority (precedence specified value of traffic-priority command),

DSCP(dscp specified value of traffic-priority command), 802.1p priority (that is cos value of

traffic-priority command). User can mark different priority for packet according to real QoS

strategy. Switch can locate packet to interface outputting queue according to the 802.1p

priority and also can locate packet to corresponding outputting queue according to the

specified local priority in traffic-priority command (local-precedence specified value). If both

802.1p priority and local priority are configured, 802.1p priority will be precedent to use.

Details of this command refers to corresponded command.

7.2.6 Queue-scheduler configuration

When network congestion, it must use queue-scheduler to solve the problem of resource

competition.

Use following command to configure queue-scheduler.

Configure it in global configuration mode.

 Configure queue-scheduler

queue-scheduler { strict-priority | wrr queue1-weight queue2-weight queue3-weight

queue4-weight queue5-weight queue6-weight queue7-weight queue8-weight | sp-wrr queue1-

weight queue2-weight queue3-weight }

 Disable queue-scheduler

no queue-scheduler

System supports three types of queue-scheduler mode: Strict-Priority Queue, Strict-Priority

Queue and Weighted Round Robin (SP+WRR) and Weighted Round Robin (WRR).