Network troubleshooting

NAT/ICF

How to enable NAT
How to enable NAT name resolution
How to enable inbound connections
How to configure 2000/2003 NAT services and ports

How to enable NAT

Open Routing and Remote Access>Server name>IP Routing>General, right-click General, and then click New Routing Protocol. In the Select Routing Protocol dialog box, click NAT/Firewall, and then click OK.

How to enable NAT name resolution

Open Routing and Remote Access>server name>IP Routing>NAT. Right-click NAT, and then click Properties. On the Name Resolution tab, select the Clients using Domain Name System (DNS) check box.

How to enable inbound connections

To allow Internet users to access resources on your private network via NAT, you must enable inbound connections. To do this 1) configure a static IP address configuration on the resource server; 2) exclude the IP address being used by the resource computer from the range of IP addresses being allocated by the NAT computer; 3) configure a special port.

How to configure 2000/2003 NAT services and ports

Open RRAS>IP Routing>NAT, right-click external NIC>Properties>Services and ports, select a service or add a port. To forward to an internal IP, type IP address in Private address.