Barracuda NextGen Firewall X
How to Configure a 3G Dial-In Connection
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Assigned DNS to Yes and enter your DynDNS credentials.
For more information on the DynDNS service, see
To start the link automatically, set Connection Start Method to Automatic.
To manually start and stop the link , set Connection Start Method to Manual. To
control the link, go to the Dynamic Network Interfaces section of the NETWORK >
Interfaces page.
To monitor the 3G Internet connection, select a test type from the Health Check list.
Most ISPs support LCP to continuously monitor successful data transmission. However,
you can use ICMP requests for monitoring the Internet connection. If you use ICMP for link
monitoring, add a target IP address to the Health Check Target list.
Click Save Changes.
4.
At the top of the page, click on the warning message to execute the new network configuration.
5.
After committing your changes, log back into the X-Series Firewall.
6.
To verify that the Barracuda modem can establish a connection to your ISP, check its status LED
7.
lights. For information on the meaning of the LED lights, see the
.
Step 3. Verify the uplink and default network route
Verify that the X-Series Firewall can establish an Internet connection and that the default network
route was introduced.
Go to the BASIC > Active Routes page.
1.
In the Network Routes section, verify that a default network route for the 3G WAN link was
2.
introduced.
In the Network Interfaces section, verify that the network interface of the 3G WAN link is
3.
available.