Allied Telesis AT-S82 - Manual (Page 56)

Chapter 7: Class of Service
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To set up scheduling, you need to specify the maximum number of
packets a port should transmit from a queue before moving to the next
queue. This is referred to as specifying the weight of a queue. In all
likelihood, you will want to give greater weight to the packets in the higher
priority queues over the lower queues. Table 2 provides a scheduling
example.
In this example, the port transmits a maximum of 25 packets from Q3,
then 15 packets from Q2, and so forth.
Table 2. Scheduling Example
Port Egress Queue
Maximum Number
of Packets
Q0 1
Q1 5
Q2 15
Q3 25