Details of Windows® 7 Network Address Translation (NAT)
Importance of Windows 7 Network Address Translation (NAT). What are its features?
NAT is the abbreviation for Network Address Translation. NAT is an IETF standard that provides a way for translating the IPv4 addresses of computers on one network into IPv4 addresses of computers on an entirely different network. The DLS router can also configured as a NAT router, so the result of implementing this approach is what is known as cascaded NAT or double NAT. Internet connectivity works fine through two or even three cascaded NATs, although a few applications may have problems with this type of network topology. There are NAT routers for the purpose of address translation. It is generally reported that Windows 7 had great success using a RRAS server behind NAT devices and also Windows 7 client behind a NAT device without many problems.
Here are the features, role and the ways for configuration of NAT in Windows 7:
- Ways for configuration
The features of NAT includes port mapping, PPTP/IPSec VPN support, H.323 support, MSN messenger support, VoIP without any setting, Battlenet support, IP phone and webcam support, switching hub included and PPPoE support. In computer networking, the process of NAT involves rewriting the source and destination addresses of IP packets as they pass via a router or a firewall. Most systems using NAT do so in order to enable multiple hosts on a private network to access the Internet using a single public IP address.
NAT can introduce complications in communication between various hosts. NAT (Network Address Translation) is mostly used by broadband routers. NAT allows the router to assign a non-publically routable IP addresses to computers on the same network. When these computers access the Internet, NAT changes the request from the PC with the publically routable address assigned to the router itself and it plays a major role.
NAT can be configured in various ways. A NAT router can configure to translate unregistered IP addresses that reside on a private network, to registered IP addresses. This happens whenever a device on the inside with an unregistered address needs to communicate with the public outside network. Most computers on the stub domain communicate with each other using inside local addresses. Some computers on the stub domain communicate more outside the network and these computers have inside global addresses, which mean that they do not require translation.
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