INE WB Vol1 - 2.10 Back-to-Back Frame Relay

R4:
interface Serial0/1
ip address 123.1.1.4 255.255.255.0
encapsulation frame-relay
no keepalive
frame-relay map ip 123.1.1.5 514 broadcast
R5:
interface Serial0/1
ip address 123.1.1.5 255.255.255.0
encapsulation frame-relay
no keepalive
clock rate 64000
frame-relay map ip 123.1.1.4 514 broadcast