User`s manual

59
Priority Mode: Five options are available; these are Disabled, Port Based, IEEE 802.1p,
DSCP, and VID.
Queue Mode: Click the pull-down menu to select the Queue Mode, Strict or Weight.
Strict mode: This indicates that egress traffic is prioritized based on a queue value
assigned to each port. When congestion happens, traffic assigned to queue 3 will be
transmitted first. The traffic assigned to queue 2 will not be transmitted until queue 3‟s
traffic is done transmitting, and so forth.
Weight mode: This mode enables users to assign different weights to 4 queues, which
have fair opportunity of dispatching, and the egress traffic of queue 3 will be transmitted
first. Each queue has the specific amount of bandwidth according to its assigned weight.
Queue Weight (Q0:Q1:Q2:Q3): Specify the weight of four queues.
Port Priority: Click the pull-down menu to set up the priority of each port.
802.1p Priority Map: Assign a tag priority to the specific queue.
There are eight priority levels that you can choose to classify data packets. Choose one of
the listed options from the pull-down menu for CoS (Class of Service) priority tag values. The
default value is “0”.
The default 802.1p settings are shown in the following table:
Priority Level
Low
Low
Low
Normal
Medium
Medium
High
High
802.1p Value
0
1
2
3
4
5
6
7