ADSL路由器NAT设置（国外英文资料）.doc

ADSL路由器NAT设置（国外英文资料） There is NAT in the ADSL router, and NAT is the network address map. It is the IP address of the Intranet and the translation of the outer network address. This effectively saves IP address resources and also protects the Intranet. A. Introduction of NAT Short for NAT - Network Address Translator, (also called Network Address translation), realizes the Network IP Address and public IP Address conversion between, its role is to make the request of the server to the specified port forwarding to the designated IP, let the other machines in response to these requests, and a Network to send networks outside as well as any gateway service is no longer a randomly assigned ports, but with the above specified port. That is to say, the NAT will multiple internal address mapping to a handful of even one public network address, make whole local area network (LAN) in the machine to be able to connect on the Internet, at the same time it also has hidden the role of the internal structure of the network security. But in SOHO, when other users can access to Internet services such as Web and FTP on the Intranet, which requires to port configuration of NAT, in order to realize the NAT protocol under a variety of applications. Two. Set the base: the addition and parameter description of the NAT rule 1, add the NAT rules Enter the IP address of ADSL Modem in IEs address bar (the default is ), enter the user name and password (the default user name and root), and enter the configuration page. Click NAT on the service form and select NAT Rule Entry in the NAT Option drop-down box. Click the add button to pop up the NAT rules page and fill in the corresponding parameter, as shown in figure 2 below. Note that the NAT rules of the small rule number are first implemented. And here the NAT rule cant be modified, and the content of a NAT rule can only be removed before it can create a new rule. So when you fill in the NAT rule number, its best to select a multiple of 5 or