Allied Telesis Switch AT-S79 Manual de usuario descargar pdf (Pagina 213)

AT-S79 Management Software User’s Guide

Section II: Using the Web Browser Interface 213

The columns in the menu display the following information:

Port

Displays the port number.

Trunk

Displays the trunk number if the port is a member of a trunk.

QoS Priority

Displays the number of the queue where untagged packets received

on the port are stored on the egress queue.

Override

Displays whether the priority level in ingress tagged frames is being

used or not. If No, the override is deactivated and the port is using the

priority levels contained within the frames to determine the egress

queue. If Yes, the override is activated and the tagged packets are

stored in the egress queue specified in the Queue column.

2. To change the egress queue where ingress untagged frames received

on a port are to be stored on the egress port, use the pull-down menu

in the QoS Priority column and select the desired queue. The range is

0 (lowest) to 3 (highest). The default is 0. For example, if you select 3

for queue 3 for a port, all ingress untagged packets received on the

port are stored in egress queue 3 on the egress port. (If you perform

Step 3 and override the priority level in ingress tagged packets, this

also applies to tagged packets as well.)

If the selected port is part of a port trunk, all ports in the trunk are

automatically assigned the same egress queue.

3. To configure a tagged port so that the switch ignores the priority tag in

ingress tagged frames, select Enable from the Override column for the

corresponding port.

The default for this parameter is disabled, meaning that the priority

level of tagged frames is determined by the priority level specified in

the frame itself.

4. Click Apply.

Note

The tagged information in a frame is not changed as the frame

traverses the switch. A tagged frame leaves a switch with the same

priority level that it had when it entered.

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Allied Telesis Switch AT-S79 Manual de usuario Pagina 213