hostname Switch_4
!
!
!
interface GigabitEthernet0/20
 shutdown
!
interface loopback0
 ip address 170.1.10.10 255.255.255.0
!
!
no ip domain-lookup
!
line con 0
 no login
 privilege level 15
 exec-time 0 0
 logg sync 
!
end