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The following entries are displayed on this screen:
Port Priority Config
UNIT:1/LAGS: Click 1 to configure the physical ports. Click LAGS
to configure
the link aggregation groups.
Select:
Select the desired port to configure its priority. It is
multi-optional.
Port:
Displays the physical port number of the switch.
Priority:
Specify the priority for the port.
LAG:
Displays the LAG number which the port belongs to.
Configuration Procedure:
Step
Operation
Description
1 Select the port priority Required. On QoS→DiffServ→Port Priority page,
configure the port priority.
2 Select a schedule mode Required. On QoS→DiffServ→Schedule Mode page,
select a schedule mode.
9.1.2 Schedule Mode
On this page you can select a schedule mode for the switch. When the network is congested,
the problem that many packets compete for resources must be solved, usually in the way of
queue scheduling. The switch will control the forwarding sequence of the packets according to
the priority queues and scheduling algorithms you set. On this switch, the priority levels are
labeled as TC0, TC1… TC3.
Choose the menu QoS→DiffServ→Schedule Mode to load the following page.
Figure 9-7 Schedule Mode
The following entries are displayed on this screen
:
Schedule Mode Config
SP-Mode: Strict-Priority Mode. In this mode, the queue w
ith higher priority
will occupy the whole bandwidth. Packets in the queue with lower
priority are sent only when the queue with higher priority is empty.
WRR-Mode:
Weight Round Robin Mode. In this mode, packets in all the queues
are sent in order based o
n the weight value for each queue. The
weight value ratio of TC0, TC1, TC2 and TC3 is 1:2:4:8.
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