D-Link 3350SR Reference Manual - Page 129

DES-3350SR Layer 3 Fast Ethernet Switch User's Guide config scheduling max_packet and max_latency parameters are set to 0) is to empty the four hardware priority queues in order − from the highest priority queue (hardware queue 3) to the lowest priority queue (hardware queue 0). Each hardware queue will transmit all of the packets in its buffer before allowing the next lower priority queue to transmit its packets. When the lowest hardware priority queue has finished transmitting all of its packets, the highest hardware priority queue can again transmit any packets it may have received. The max_packets parameter allows you to specify the maximum number of packets a given hardware priority queue can transmit before allowing the next lowest hardware priority queue to begin transmitting its packets. A value between 0 and 255 can be specified. For example, if a value of 3 is specified, then the highest hardware priority queue (number 3) will be allowed to transmit three packets − then the next lowest hardware priority queue (number 2) will be allowed to transmit three packets, and so on, until all of the queues have transmitted three packets. The process will then repeat. The max_latency parameter allows you to specify the maximum amount of time that packets are delayed before being transmitted to a given hardware priority queue. A value between 0 and 255 can be 129