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4.12.3 QoS Service Policy
Configuration Description
Port Port number
Policy Service policy for egress priority among four egress class queues
Strict priority - high class queue is served first always till it is empty
Weighted ratio priority Class 3:2:1:0 = 4:3:2:1 - weighted ratio 4:3:2:1
Weighted ratio priority Class 3:2:1:0 = 5:3:1:1 - weighted ratio 5:3:1:1
Weighted ratio priority Class 3:2:1:0 = 1:1:1:1 - weighted ratio 1:1:1:1
[Apply] Click to apply the configuration change
[Refresh] Click to refresh current configuration
[Back] Click to go back to upper menu
Notes:
1. Queue with higher class number has higher priority than queue with lower class number.
That means Class 3 > Class 2 > Class 1 > Class 0 by default.
2. In weighted ratio policies, a weighted fairness round robin service is guaranteed normally.
However, when excess bandwidth exists higher class queue will take advantage on band-
width allocation.