Tips to change NAT settings for a modem
What is NAT? What is the method to change the NAT settings for a modem?
Network Address Translation is the translation of an Internet protocol address within a network to a different IP address that is known in another network. NAT is an Internet standard that enables a local area network to use one set of IP addresses for Internet traffic and a second set of addresses for the external traffic. The most common use of NAT is to perform Internet connection sharing between different users. It allows an IP network to maintain public IP addresses separately from a private IP addresses. It helps in modifying the source or the destination address in the IP header to reflect the configured address mapping. Its functionality is mostly found on the routers and on other gateway devices. The NAT provides a firewall by keeping the IP addresses secure and also allows a company to use more internal IP addresses.
Following are about NAT settings and the method to change the NAT settings for a modem:
- More on NAT
- Network Address Translation settings
- Methods to change NAT settings for a modem
More on NAT
The number of IP addresses on the Internet is limited so NAT is used in which only the router needs to have public IP address. Network Address Translation ensures that all of your networked machines appear as one IP address on the Internet. The NAT device keep track of the connections that go through it so that it can pass the correct data stream from the Internet back to the correct device on the private network.
Network Address Translation settings
Due to decrease in IP space and increasing count of users on the high speed consumer lines such as cables the users are in increasing need of the Internet connection sharing solution which can be solved using this NAT as they have the ability to connect multiple computers online through a single connection and IP address. The machine should act as a gateway that should have two NIC’s one for connecting to the Internet router and the other to the LAN.
By disabling the NAT of your router and the PC’s personal firewall you can change the NAT setting for a modem. You need to set up a static IP address which can be done by enabling the DHCP in the advanced settings and do port forwarding i.e. needs to set-up some new rules for the IP address you have allocated and name the rule as you like.
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