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SP+WRR-M
ode: Strict-Priority + Weight Round Robin Mode. In this mode, this
switch provides two scheduling groups, SP group and WRR
group. Queues in SP group and WRR group are scheduled strictly
based on strict-priority mode while the queues inside WRR group
follow the WRR mode. In SP+WRR mode, TC3 is in the SP group;
TC0, TC1 and TC2 belong to the WRR group and the weight value
ratio of TC0, TC1 and TC2 is 1:2:4. In this way, when scheduling
queues, the switch allows TC3 to occupy the whole bandwidth
following the SP mode and the TC0, TC1 and TC2 in the WRR
group will take up the bandwidth according to their ratio 1:2:4.
Equ-Mode: Equal-Mode. In this mode, all the queues occupy the bandwidth
equally. The weight value ratio of all the queues is 1:1:1:1.
9.1.3 802.1P Priority
On this page you can configure 802.1P priority. 802.1P gives the Pri field in 802.1Q tag a
recommended definition. This field is used to divide packets into 8 priorities. When 802.1P Priority is
enabled, the packets with 802.1Q tag are mapped to different priority levels based on 802.1P priority
mode. The untagged packets are mapped based on port priority mode.
Choose the menu QoS→DiffServ→802.1P Priority to load the following page.
Figure 9-8 802.1P Priority
The following entries are displayed on this screen:
802.1P Priority Config
802.1P Priority: Select Enable/Disable 802.1P Priority.
Priority Level
Priority Tag: Indicates the precedence level defined by IEEE802.1P.
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