Schedule Mode - TP-Link TL-SG3210 User Manual

Jetstream l2 managed switch
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The following entries are displayed on this screen:
Priority and CoS-mapping Config
Tag-id/Cos-id:
Queue TC-id:
Configuration Procedure:
Step Operation
1
Configure
relation between the 802.1P
priority Tag/CoS and the TC
2
Select a schedule mode

9.1.4 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.
The following entries are displayed on this screen:
Schedule Mode Config
SP-Mode:
WRR-Mode:
Indicates the precedence level defined by IEEE802.1P and the
CoS ID.
Indicates the priority level of egress queue the packets with tag
and CoS-id are mapped to. The priority levels of egress queue are
labeled as TC0, TC1, TC2 and TC3.
Description
the
mapping
Required. On QoS→DiffServ→802.1P/CoS mapping
page, configure the mapping relation between the
802.1P priority Tag/CoS and the TC.
Required. On QoS→DiffServ→Schedule Mode page,,
select a schedule mode.
Figure 9-9 Schedule Mode
Strict-Priority Mode. In this mode, the queue with 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.
Weight Round Robin Mode. In this mode, packets in all the queues
are sent in order based on the weight value for each queue. The
weight value ratio of TC0, TC1, TC2 and TC3 is 1:2:4:8.
119

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