R2#sh run int fa 0/1
Building configuration...

Current configuration : 125 bytes
!
interface FastEthernet0/1
 ip address 20.10.1.1 255.255.255.0
 ip helper-address 208.28.1.99
 duplex auto
 speed auto
end

R2#
RACK18AS>1
[Resuming connection 1 to r1 ... ]

*Ma
R1#sh run int s 0/0.2
Building configuration...

Current configuration : 225 bytes
!
interface Serial0/0.2 point-to-point
 bandwidth 128
 ip address 180.40.7.161 255.255.255.224
 ip helper-address 208.28.1.99
 ip ospf network point-to-multipoint
 frame-relay interface-dlci 102 protocol ip 180.40.7.162
end

R1#