R3(config-if)#do sh run int s 1/0
Building configuration...

Current configuration : 300 bytes
!
interface Serial1/0
 ip address 180.40.7.66 255.255.255.224
 encapsulation frame-relay
 ip ospf network point-to-multipoint
 frame-relay map ip 180.40.7.65 301 broadcast compress active connections 20
 frame-relay map ip 180.40.7.67 302 broadcast
 frame-relay map ip 180.40.7.68 307 broadcast
end