
¾ Priority Level |
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DSCP: | Indicates the priority determined by the DS region of IP datagram. |
| It ranges from 0 to 63. |
Priority Level: | Indicates the priority level the packets with tag are mapped to. The |
| priority levels are labeled as TC0, TC1, TC2 and TC3. |
Note:
To complete QoS function configuration, you have to go to the Schedule Mode page to select a schedule mode after the configuration is finished on this page.
Configuration procedure:
Step | Operation | Description |
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1 | Log on to the DSCP Priority page |
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2 | Enable DP priority function | Required. By default, the DSCP priority function is |
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| disabled. |
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3 | Map the DSCP priority to the | Required. Select DSCP priority and the |
| priority level | corresponding priority level. |
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4 | Select a schedule mode | Required. Log on to the Schedule Mode page to |
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| select a schedule mode. |
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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.
Figure 9-9 Schedule Mode
The following entries are displayed on this screen:
¾Schedule Mode Config
will occupy the whole bandwidth. Packets in the queue with lower priority are sent only when the queue with higher priority is empty.
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