4-4
RF-7800B
CONFIGURATION
In Relay Mode, when the BGAN Terminal does not have an active BGAN network connection, the BGAN Terminals
DHCP Server will assign a private IP address from its DHCP Server Address range configured via the web interface.
When the BGAN Terminal has an active BGAN Network connection, the DHCP Server will reassign the public IP
address associated with the active network connection to the Router, and data will be automatically routed between
the Local Area Network (LAN) and the BGAN network though the BGAN Terminal. Relay mode uses short DHCP
Server lease times to allow the Router's IP address to change dynamically once the BGAN Terminal attains a
connection to the BGAN Network, as well as when it relinquishes its connection from the network. The BGAN
Terminal's DHCP Server lease times assigned are configurable via the web interface.
The following is a sample configuration, modified by the Web Interface, to enable Relay Mode operation with and
without the use of Automatic Network Connection Activation:
a. Navigate to the Configuration page of the Web Interface.
1. Set BGAN Terminal Mode to RELAY Mode.
2. Set DHCP Server to Enable.
3. Set Idle mode DHCP Lease Time to 60 seconds (some devices have minimum DHCP lease time
requirements).
4. Set Connected-mode DHCP Lease Time to 120 seconds (some devices have minimum DHCP
lease time requirements).
5. Set the 24/7 Network Connection Keep Alive to Enable.
6. Click the Apply button at the bottom of the page.
7. Refresh the web page and confirm the settings changes.
b. Without using Automatic Network Connections: If the BGAN Terminal's Web Interface will still be
accessible by a computer in the Local Area Network served by the Router, registration and the creation
of connections to the BGAN Network can be done manually using the Web Interface. Refer to
Paragraph 4.4.3 Connect to Network for directions how to create these connections.
c. With using Automatic Network Connections: If the Web Interface will not be accessible by a computer
in the Local Area Network served by the Router, the BGAN Terminal can be configured to create an
Automatic Connection to the Network. To configure this operation, navigate to the Configuration Page
and set the Bypass Antenna Pointing & Auto Register to Enable. Then, navigate to the Automatic
Network Connections page of the Web Interface:
1. Turn On one of the Automatic Connection Entries.
2. Set the Low IP Address and High IP Address equal to the configured DHCP Address Range.
3. Enter the desired QoS, APN, Username, and Password information as desired.
4. Click the Apply button at the bottom of the page.
5. Select Restart Terminal.
Once configured, point the RF-7800B-DU024 BGAN Terminal toward the satellite as defined in Paragraph 3.5 (the
RF-7800B-VU104 will automatically point). Once pointed correctly, the BGAN Terminal will begin the automatic
Registration process. The user may then physically plug in the Ethernet network connection between the Router and
the BGAN Terminal. Once the network connection between the Router and BGAN Terminal is electrically
connected, the BGAN Terminal's DHCP Server will provide an initial private IP address to the Router, which also
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