How To Configure Cisco 1921 Router Step By Step?
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1. Connect your Cisco 1921 router to your computer or laptop with a console cable.
2. Power on the router.
3. Open a terminal window, such as HyperTerminal, and configure the connection settings for the router.
4. Configure an IP address to the FastEthernet0/0 interface on the router using the command “ip address <IP address> <subnet mask>.”
5. Set the router’s default gateway using the command “ip default–gateway <IP address>.”
6. Configure DNS settings using the command “ip name–server <IP address>.”
7. Set the line details for the console access using the command “line con0.”
8. Set the password for console access using the command “password <password>.”
9. Enable the router to be accessible from the internet by configuring NAT using the command “ip nat inside source list <access–list–name> interface fastethernet 0/0 overload.”
10. Save the configuration and restart the router to apply the changes.