Quick Check - Simple CISCO NAT Configuration

Refer to the network layout below:

Configuration: 

Note:- Replace the private IPs at the p2p with the public IPs supplied by your ISP.

           Replace the public dns 8.8.8.8 with your ISP DNS(s)

interface GigabitEthernet0/0

 description Connects-to-ISP-router

 ip address 192.168.201.2 255.255.255.252

 ip nat outside

 ip virtual-reassembly in

end

!

interface GigabitEthernet0/1

 description Connects-to-LAN

 ip address 192.168.1.1 255.255.255.0

 ip nat inside

 ip virtual-reassembly in

 duplex auto

 speed auto

end

interface Loopback1

 ip address 192.168.1.200 255.255.255.255

ip route 0.0.0.0 0.0.0.0 192.168.201.1

ip nat inside source list my-access-list interface GigabitEthernet0/0 overload

ip access-list extended my-access-list

 permit ip any any

ip dhcp pool my-office-dhcp

 network 192.168.1.0 255.255.255.0

 default-router 192.168.1.1 

 dns-server 8.8.8.8

 lease 7

If you have any questions! Please leave a comment.