Avaya Configuring Frame Relay Services Bedienungsanleitung PDF herunterladen (Seite 27)

Implementation Notes

2-3

Figure 2-2. Group Access Mode Conﬁguration

Group access mode supports all protocols, simpliﬁes network addressing, and is

the easiest of the three modes to conﬁgure, because you need to deﬁne and

associate only one protocol address with the Frame Relay interface. The DLCMI

will dynamically conﬁgure PVCs; you do not need to explicitly conﬁgure them.

Use group access mode with the following network conﬁgurations:

• A routed environment for any network where all PVCs can support the same

protocols

• A bridged environment for fully meshed networks

• A bridged hub and spoke environment where the spokes do not need to

communicate with each other

In general, group access mode works best for fully meshed networks; however, it

can also be used for non-fully meshed networks, for example, hub and spoke

networks. In these types of networks, the remote site may only be able to

communicate with the hub.

There are ways to conﬁgure upper-layer protocols such as IP or IPX to allow

nodes in non-fully meshed networks to fully communicate. For more information

about these upper-layer protocols, see the speciﬁc protocol manual.

Site A

Protocol

Site B

Site C

Site D

PVC

Upper-layer

Frame

Relay

Network

Interface

Frame

Relay

Network

FR0005A

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Avaya Configuring Frame Relay Services Bedienungsanleitung Seite 27