ZyXEL Communications LTE5121, Руководство пользователя

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Chapter 10 Network Address Translation (NAT)
LTE-5121 User’s Guide
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10.2.2 The Port Forwarding Edit Screen
This screen lets you create or edit a port forwarding rule. Click Add new rule in the Port
Forwarding screen or the Edit icon next to an existing rule to open the following screen.
Figure 78
Port Forwarding: Add/Edit
The following table describes the labels in this screen.
Table 40
Port Forwarding: Add/Edit
LABEL DESCRIPTION
Service Name Select a service to forward or select User Defined and enter a name in the field
to the right.
WAN Interface Select the WAN interface through which the service is forwarded.
You must have already configured a WAN connection with NAT enabled.
Start Port Configure this for a user-defined entry. Enter the original destination port for the
packets.
To forward only one port, enter the port number again in the External End Port
field.
To forward a series of ports, enter the start port number here and the end port
number in the External End Port field.
End Port Configure this for a user-defined entry. Enter the last port of the original
destination port range.
To forward only one port, enter the port number in the External 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 External Start Port field above.
Translation Start
Port Configure this for a user-defined entry. This shows the port number to which you
want the LTE Device 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 Configure this for a user-defined entry. This shows the last port of the translated
port range.
Server IP
Address Enter the inside IP address of the virtual server here.