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Configuring Traffic Filters and Protocol Prioritization

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303543-A Rev 00

Tuning Protocol Prioritization

When you enable Protocol Priority on a circuit, the router uses default values that

help determine how priority filters work. These defaults are designed to work well

for most configurations. However, you can customize (or tune) protocol

prioritization to maximize its impact on your network.

This section covers the following topics:

• Tuning Concepts

• Editing Protocol Prioritization Parameters

• Monitoring Protocol Prioritization Statistics

Tuning Concepts

How you tune protocol prioritization depends on whether you are using the

bandwidth allocation algorithm or strict dequeuing algorithm. (See “The

Dequeuing Process” earlier in this chapter.)

To tune priority queuing with the bandwidth allocation algorithm, consider

adjusting the following configuration defaults:

• Percent of Bandwidth

• Queue Size

To tune priority queuing with the strict dequeuing algorithm, consider adjusting

the following configuration defaults:

• Queue Size

• Latency

Percent of Bandwidth

When using the bandwidth allocation algorithm, you can change the default

allocation of bandwidth for each of the three priority queues.

Queued traffic with large packets often require more than the default bandwidth

allocation. For example, if statistics indicate that one interface requires more than

70 percent of bandwidth to properly transmit high-priority traffic, you can

increase the High Queue Size parameter and decrease the Normal or Low Queue

Size parameter.

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Avaya Configuring Traffic Filters and Protocol Prioritization Manual do Utilizador Página 44