Chapter 4: Configuration with web interface
98-148232-E Advanced LAN 67
Advanced LAN
Port forwarding
Port forwarding enables you to set up a server connected to the terminal while the terminal is
in Router mode. Without port forwarding it would not be possible to contact the server from
the Internet. We recommend using a static public IP address for the terminal in order to
provide easy access to the terminal. To use the static IP address, it must be included in your
subscription and you must set the APN source to SIM default. For details, see To change the
APN for a connection package on page 52.
The following example shows how to allow Internet access to a mail server (smtp) connected
to the terminal. The mail server in this example has the IP address 192.168.0.100.
1. From the Control panel
, select Advanced LAN > Port forwarding.
2. Select Forward port to add a new port forwarding.
3. Select Active to activate the port forwarding.
4. Type in the Incoming port start and the Incoming port end.
This is the range of port numbers on the EXPLORER 540 for which incoming traffic to the
EXPLORER 540 will be forwarded.
5. Type in the Destination IP address, which in this example is the IP address of the mail
server: 192.168.0.100.
This is the IP address to which the incoming traffic is forwarded.
6. Type in the Destination port start and the Destination port end.
This is the range of port numbers at the server, to which the incoming traffic will be
forwarded. If only a single port is used, type the same port for Destination port start
and Destination port end.
7. Click Save.
When you have activated a data connection, you can now access the server from the Internet,
using the external IP address of the terminal. If you are using the web interface, you can see
the external IP address in the tile with the data connection you have started. For information
on how to activate your data connection, see To control data connections (PDP contexts) on
page 36.
Make the port forwarding configuration before starting the data session.
Normal port forwarding configuration is ignored in Cellular modem preferred (PRISM)
mode (all connected units are directly accessible by PRISM port forwarding).
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