Configure Cisco Router

Last time in the first post, Lock had explained configuration for cisco router setting.

Now I do a simple post with step only..
Mostly the ISP will assign some information such as:

Serial IP : 123.123.123.121
Serial Netmask : 255.255.255.252
LAN IP : 58.123.111.97 until 58.123.111.126
LAN Netmask : 255.255.255.224
Default gateway (IP Route) : 202.188.129.113

Then the setup will be:

en
conf t
hostname routername
username routeruser password 0 routerpassword
line vty 0 4
login local
int fast 0/0
ip address 192.168.1.1 255.255.255.0
ip nat inside
no shutdown
exit
int se 0/1/0
ip address 123.123.123.121 255.255.255.252
ip nat outside
no shutdown
exit
ip route 0.0.0.0 0.0.0.0 123.123.123.122
ip nat pool public 58.123.111.97 58.123.111.97 prefix-length 27
ip nat inside source list private pool public overload
ip access-list standard private
permit 192.168.1.0 0.0.0.255
exit
exit
copy run start