Avaya Configuring Frame Relay Services Manual de usuario descargar pdf (Pagina 59)

Frame Relay Overview

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Address-Based Distribution

Address-based distribution determines the data path for outbound traffic from the

source and destination address in each packet. Any given address pair always uses

the same path.

The router determines whether to route or bridge the packet, and then uses the

corresponding level of address. It uses routing-level addresses for routing traffic,

and the MAC-level addresses for bridging traffic.

Address-based distribution ensures that all outbound traffic travels on the same

path, and that packets arrive in sequence. For protocols that cannot receive packets

out of sequence, use this method. Note, however, that this option does not always

distribute traffic evenly across each line.

Protocol Prioritization and Multiline Incompatibility

You cannot use protocol prioritization with multiline. Protocol prioritization may

change the order of frames arriving over a multiline interface, and frame relay

multiline does not have the ability to correct the sequence.

PVC Pass-Through

The PVC pass-through service allows a single frame relay network access link to

carry both conventional network protocol traffic and otherwise unroutable frame

relay access device (FRAD) traffic. This service works with hybrid mode PVCs

only. PVC pass-through connects two PVCs on separate interfaces so that the

router can transmit traffic it receives on one PVC out the other with no

encapsulation requirements. Figure 1-13

illustrates how PVC pass-through works.

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Avaya Configuring Frame Relay Services Manual de usuario Pagina 59