R2#sh run  int s 1/2
Building configuration...

Current configuration : 76 bytes
!
interface Serial1/2
 no ip address
 clockrate 128000
 bridge-group 1
end

R2#
RACK18AS>3
[Resuming connection 3 to r3 ... ]

R3#sh run int s 1/2
Building configuration...

Current configuration : 77 bytes
!
interface Serial1/2
 no ip address
 no ip route-cache
 bridge-group 1
end

R3#