SROS Command Line Interface Reference Guide Global Configuration Mode Command Set
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interface frame-relay <label> point-to-point
Use the interface frame-relay command to create a virtual Frame Relay interface (or sublink, if specified)
that is identified using the entered number label. In addition, entering this command activates the Frame
Relay interface. The point-to-point keyword (optional) can be used to identify the Frame Relay endpoint
as a point-to-point link (versus multipoint). Use the no form of this command to delete a configured virtual
Frame Relay interface.
To specify a virtual Frame Relay sub-interface, the following syntax applies:
interface frame-relay <label>.<sublink label>
Syntax Description
<label> Specifies the numerical virtual Frame Relay interface identifying label (valid
range: 1 to 1024)
<sublink label> Numerical label for the virtual sublink (valid range: 1-255)
point-to-point Optional. Identifies the Frame Relay interface as a point-to-point link (versus
multilink)
By default, all created Frame Relay interfaces are point-to-point.
Default Values
By default, there are no configured virtual Frame Relay interfaces or sublinks.
Command Modes
(config)# Global Configuration Mode required
Functional Notes
Creating an endpoint that uses a layer 2 protocol (such as Frame Relay) is generally a four-step process:
Step 1:
Create the Frame Relay virtual endpoint (using the interface frame-relay command) and set the signaling
method (using the frame-relay lmi-type command). Also included in the Frame Relay virtual endpoint are
all the applicable Frame Relay timers, logging thresholds, encapsulation types, etc. Generally, most Frame
Relay virtual interface parameters should be left at their default state. For example, the following creates a
Frame Relay interface labeled 7 and sets the signaling method to ansi.
(config)#interface frame-relay 7
(config-fr 7)#frame-relay lmi-type ansi
Step 2:
Create the sub-interface and configure the PVC parameters. Using the sub-interface, apply access policies
to the interface, create bridging interfaces, configure backup, assign an IP address, and set the PVC
data-link control identifier (DLCI). For example, the following creates a Frame Relay sub-interface labeled
22, sets the DLCI to 30, and assigns an IP address of 193.44.69.1/30 to the interface.
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