3Com Router Command Reference Guide — V1.00DescriptionUsing the nat server command, you can configure an inside server associated with apool of address. Using the undo nat server command, you can cancel association toa pool.By using the nat server command, some of the servers, which the internal networkcan provide for the usage of the outside, can be configured, such as WWW, FTP,Telnet, pop3 and DNS. By the relevant undo command, the corresponding internalserver configuration can be deleted. The interface of the command should beinterconnected with ISP and is the exit of the internal network.Example# The IP address of the internal WWW server of the specified LAN is 10.110.10.10.The IP address of the internal FTP server is 10.110.10.11. It is hoped that the outsidecan access WEB through http:// 202.110.10.10:8080 and connect FTP wet sitethrough ftp://202.110.10.10. Suppose Serial0 is connected to ISP.[Quidway-Serial0] nat server global 202.110.10.10 8080 inside 10.110.10.10 tcpwww[Quidway-Serial0] nat server global 202.38.160.101 inside 10.110.10.1 ftp tcp# Specify one internal host computer 10.110.10.12. Hope that the host computer ofthe external network can find out that it’s connected with ping 202.110.10.11command.[Quidway] nat server global 202.110.10.11 inside 10.110.10.12 any48