R2#sh run | b 1/0
interface Serial1/0
 no ip address
 encapsulation frame-relay
 no fair-queue
 no frame-relay inverse-arp
!
interface Serial1/0.1 multipoint
 ip address 208.28.1.3 255.255.255.248
 frame-relay map ip 208.28.1.1 203 broadcast
 frame-relay map ip 208.28.1.2 203 broadcast
!


R3#sh run int s 1/0
Building configuration...

Current configuration : 244 bytes
!
interface Serial1/0
 ip address 208.28.1.2 255.255.255.248
 encapsulation frame-relay
 ip split-horizon
 no fair-queue
 frame-relay map ip 208.28.1.1 301 broadcast
 frame-relay map ip 208.28.1.3 302 broadcast
 no frame-relay inverse-arp
end

R3#
R1#ping 208.28.1.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 208.28.1.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 116/126/148 ms
R1#