Configuring Frame Relay: Setting the Frame Relay Encapsulation Type

Router(config)#int s 0/0
Router(config-if)#encapsulation frame-relay	Turns on Frame Relay encapsulation with the default encapsulation type of cisco
or
Router(config-if)#encapsulation frame-relay ietf	Turns on Frame Relay encapsulation with the encapsulation type of ietf (RFC 1490). Use the ietf encapsulation method if connecting to a non-Cisco router