!assigning hostname to router
hostname ISP
!banner message
banner motd #Unauthorized access to this device is prohibited!#
!
!configuring aaa authentication on the router
aaa new-model
aaa authentication login default local
!
!i didn’t set up ssh to the sip as in real life you wouldn’t
!
!disabling dns lookup
no ip domain-lookup
!
!preventing messages interrupting CLI on console connection
line con 0
logging synchronous
!
! disabling aux connection
line aux 0
transport output ssh
no exec
exec-timeout 0 1
no password
!
!preventing messages interrupting CLI on aux connection
logging synchronous
!
!preventing messages interrupting CLI on all vty connections
line vty 0 15
logging synchronous
!

interface Loopback0
ip address 126.0.0.1 255.0.0.0
!
int lo0
ip address 126.0.0.1 255.0.0.0 
no shut
!
int s0/0/1
ip address 196.1.1.41 255.255.255.252
!disabling cdp on the int
no cdp enable
no shut
!
ip route 202.100.37.0 255.255.255.0 Serial0/0/1 
!
!assigning as password and username to the router
username alan privilege 15 password kelly
!configuring a password on privileged mode
enable secret kelly
!
!leaving global config
end
!copy running config to startup config
copy r s