Cisco 2921 Router Wan configuration

Question:

i have a Cisco 2921 Catalyst Switches Price Router,

with 3 giga interfaces

i have a leased line for the internet with a public ip address and i want to configure this router as NAT /PAT gateway, so that users in my network can ue the internet by the router,

my wan interface is g0/0 - ip 122.xx.xx.xx

lan is g 0/1 -- 192.168.1.1 /24

please advice me the configuration.

i have tried doing nat once but i was not able to make the wan port up.

using cisco CP when i test the interface it givves error and i dont get internet to my users.

Please guide the configuration.

Answer:

Please try the following commands and let me know the results:

access-list 1 permit 192.168.1.0 0.0.0.255

ip nat inside source list 1 interface GigabitEthernet0/0 overload

ip route 0.0.0.0 0.0.0.0 gigabitEthernet 0/0

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