DSG SH2500 Administrator Operation Manual - Page 10

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VLAN/TOS Priority

At "Port Config> TOS over VLAN Priority", you can select the priority to be TOS or VLAN tag. You
can further set the queue in this section.
1.
Select VLAN/TOS Priority item.
2.
Select the VLAN tag or TOS level and set it to be high or low queue. Both VLAN tag and TOS
provide 8 priority levels from 0 to 7. Do not set them at the same priority otherwise your setting
will be invalid. The priority goes to VLAN or TOS is depending on your setting at "Port Config>
TOS over VLAN Priority".
3.
Click "Apply" to save the configuration.

QoS Configuration

1.
Select QoS item.
2.
Select the Priority Radio. It is the Low : High ratio. The Switch will reorder the delivery of packets
based on the ratio you set. For example if you set it as 1:2. That means when the Switch sends 1
packet of low queue, it will send 2 packets of high queue.
3.
Depending on your QoS preferences (to be Port-based, VLAN tag or TOS), if you set your QoS as
VLAN tag, enable the VLAN tag check. Otherwise you may disable it.
4.
Click "Apply" to save.
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