Epson VIGOR 3300 - Manual (Page 60)

Vigor3300 Series User’s Guide 56
Protocol Assign the transport layer protocol with TCP or UDP.
Public Port Range Assign a port range from starting to end public port number.
The port range is from 1 to 65535.
Private IP Assign a local IP address to be transferred into.
Private Port Range Assign a port range from starting to end private port number.
Use IP Alias “Disable” option uses IP address of WAN interface, “Enable”
option uses IP alias addresses.
WAN Interface It is a pull-down window; user can select one specific WAN
interface.
IP Alias It is a pull-down window; user can select one specific IP
address assigned in IP Alias group of WAN interfaces.
Click Apply to reboot the system and apply the settings.
Note: The port forwarding function could redirect the Internet traffic, which has the
destination port within the public port range and has the same IP address as WAN
Interface or IP Alias that you set. Please redirect only the ports that you have to
forward rather than forward all ports. Otherwise, the intrinsic firewall type security of
NAT facility will be affected.
By the way, user can click Delete to remove one current existed NAT entry in the Advanced –
NAT – Port Redirection page and click Delete All to remove all entries.