Avaya Configuring Traffic Filters and Protocol Prioritization Instrukcja Użytkownika Pobierz pdf (Strona 46)

Configuring Traffic Filters and Protocol Prioritization

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To configure the percent of bandwidth for the priority queues, you edit these

Configuration Manager parameters:

• High Queue Percent Bandwidth

• Normal Queue Percent Bandwidth

• Low Queue Percent Bandwidth

When changing bandwidth allocation, remember that the percent of bandwidth for

the High queue, Normal queue, and Low queue must total 100 percent.

Queue Size

Queue size (or queue depth) is the configurable number of packets that each

priority queue can hold. The default value for bandwidth allocation is 20 packets,

regardless of packet size.

When you set the queue size, you assign buffers (which hold the packets) to each

queue. A queue is full when it exceeds the buffer size. The router discards (clips)

traffic sent to a full queue.

To configure queue size, you edit these Configuration Manager parameters:

• High Queue Size

• Normal Queue Size

• Low Queue Size

• High Water Packets Clear

Note:

If statistics indicate that the High queue does not have enough buffers,

consider reducing the amount of high-priority traffic. You should be selective

in assigning high-priority status. Too many traffic types with high-priority

status can defeat the purpose of protocol prioritization. With the strict

dequeuing algorithm, too much high-priority traffic can result in discarding (or

clipping) normal- and low-priority traffic.

Note:

The buffer size for priority queues is not configurable when using the

strict dequeuing algorithm.

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Avaya Configuring Traffic Filters and Protocol Prioritization Instrukcja Użytkownika Strona 46