hostname Sydney
enable secret class
interface serial0
ip address 192.168.1.6 255.255.255.252
no keepalive
no shutdown
interface serial1
ip address 192.168.2.1 255.255.255.252
clock rate 64000
no shutdown
interface ethernet0
ip address 172.16.4.1 255.255.255.0
no keepalive 
no shutdown
line con 0
password cisco
login
logging synchronous
exec-timeout 0 0
line vty 0 4
password cisco
login
line aux 0
password cisco
login