R7#sh run | b 1/0
interface Serial1/0
 no ip address
 encapsulation frame-relay
 priority-group 1
!
interface Serial1/0.2 point-to-point
 ip address 180.40.7.161 255.255.255.224
 ip ospf network point-to-multipoint
 frame-relay priority-dlci-group 1 702 702 702 702
 frame-relay interface-dlci 702
!