Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur télécharger pdf (Page 37)

Using Protocol Prioritization Queues

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Priority Queuing

With protocol prioritization enabled on an interface, the router sends each packet

leaving an interface to one of three priority queues:

• High queue

• Normal queue

• Low queue

The router automatically queues packets that do not match a priority filter to the

Normal queue. To send traffic to the other queues, you create outbound traffic

filters that include a prioritizing action. These are called priority filters.

The Dequeuing Process

After queuing packets, the router empties the priority queues by sending the traffic

to the transmit queue using one of two dequeuing algorithms:

• Bandwidth Allocation Algorithm

• Strict Dequeuing Algorithm

By default, protocol prioritization uses the bandwidth allocation algorithm to send

traffic from the three priority queues to the transmit queue. You specify the active

dequeuing algorithm by setting the Prioritization Algorithm Type parameter, as

described in “Editing Protocol Prioritization Parameters” on page 2-15.

Figure 2-1 illustrates the dequeuing process, with default configuration values.

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Avaya Configuring Traffic Filters and Protocol Prioritization Manuel d'utilisateur Page 37