ZyXEL Communications VMG5313-B10A, User Manual

Page: 185 / 398

Chapter 11 Network Address Translation (NAT)
VMG5313-B10A/-B30A Series User’s Guide
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11.3 The Applications Screen
This screen provides a summary of all NAT applications and their configuration. In addition, this
screen allows you to create new applications and/or remove existing ones.
To access this screen, click Network Setting > NAT > Applications . The following screen
appears.
Figure 76
Network Setting > NAT > Applications
WAN IP Enter the WAN IP address for which the incoming service is destined. If the packet’s
destination IP address doesn’t match the one specified here, the port forwarding rule will
not be applied.
Start Port Enter the original destination port for the packets.
To forward only one port, enter the port number again in the End Port field.
To forward a series of ports, enter the start port number here and the end port number in
the
End Port field.
End Port Enter the last port of the original destination port range.
To forward only one port, enter the port number in the Start Port field above and then
enter it again in this field.
To forward a series of ports, enter the last port number in a series that begins with the port
number in the
Start Port field above.
Translation
Start Port This shows the port number to which you want the VMG to translate the incoming port. For
a range of ports, enter the first number of the range to which you want the incoming ports
translated.
Translation End
Port This shows the last port of the translated port range.
Server IP
Address Enter the inside IP address of the virtual server here.
Protocol Select the protocol supported by this virtual server. Choices are TCP , UDP , or TCP/UDP .
OK Click OK to save your changes.
Cancel Click Cancel to exit this screen without saving.
Table 55
Port Forwarding: Add/Edit (continued)
LABEL DESCRIPTION