System information

Configuring the Switch

3-30

Web – Click QOS, Settings. In Queue Mode, select Strict.

Figure 3-26 QoS Settings - Queue Mode Strict

WRR - In this mode, all priorities can be guaranteed a share of the bandwidth when

the system is overloaded. The bandwidth sharing percentage can be adjusted by

specifying the four QOS class with different ratio in WRR Weight, which appears

after WRR is enabled in Queue Mode.

Note:

WRR is selectable when Jumbo Frame is disabled in Ports > Settings.

Web – Click QOS, Settings. In Queue Mode, select WRR. Adjust the WRR queue

weights as required.

Figure 3-27 QoS Settings - Queue Mode WRR

802.1p Priority Mapping

Packets are prioritzed using the content of the VLAN-tag. The 802.1p field is held

within the VLAN tag of a packet. The field is three bits long so can hold eight values;

0 - 7 inclusive. When the QoS Mode is set to 802.1p, the 802.1p Configuration table

displays, which allows each of the eight values to be mapped to one of the four

priority queues.

You can use the Prioritize Traffic drop-down list to quickly set the values in the

802.1p Configuration table. Select All Normal Priority to set all values to normal