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#