Black Box LR1530A-R3, LR1530A-EU-R3 Basic Frame Relay Configuration, Frame Relay configuration

Applications

Basic Frame Relay Configuration

North American routers are configured to have frame relay enabled as the default setting. With frame relay enabled, the router will communicate over WAN connections to other frame relay units via frame relay Permanent Virtual Circuits (PVC). From 1 to 40 PVC’s may be defined to connect to other frame relay units. Before the router can establish a PVC connection to another frame relay router, at least one PVC must be defined. The router is pre-configured to query the frame relay service to auto-learn the required parameters; they may also be set manually.

The DLCI (Data Link Connection Identifier) number for the PVC is assigned by the frame relay service provider. The PVC must be defined on the physical link on the router. Refer to the following diagram that shows three router units connected together with a PVC being configured on each unit. The configuration of the PVCs within the frame relay cloud is controlled by the frame relay service provider.

	DLCI numbers
	assigned for these
	PVCs from the
51	frame relay provider.	52

FrameRelayPVC

WAN connections

55

Figure 2 - 1 Frame Relay configuration

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