R1#sh run int s 0/0.1
Building configuration...

Current configuration : 118 bytes
!
interface Serial0/0.1 point-to-point
 ip address 208.28.1.1 255.255.255.248
 frame-relay interface-dlci 103
end

R1#
RACK10AS#2
[Resuming connection 2 to r2 ... ]

R2#sh run int s 1/0.1
Building configuration...

Current configuration : 169 bytes
!
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
end

R2#
RACK10AS#3
[Resuming connection 3 to r3 ... ]

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#