Barracuda NextGen Firewall X
How to Configure a 3G Dial-In Connection
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How to Configure a 3G Dial-In Connection
https://campus.barracuda.com/doc/8650776/
To establish wireless Internet connections, you can install the external Barracuda 3G USB modem on
the Barracuda NextGen Firewall X-Series. 3G connections are ideal for backup lines and for use in
mobile offices or locations without terrestrial Internet links.
After you connect the Barracuda USB modem to the X-Series Firewall, configure the provider settings.
Then verify that the default network route and network interface of the 3G WAN link have been
successfully introduced and are available.
Step 1. Connect the Barracuda 3G modem
To connect the Barracuda modem:
Follow the steps in the Barracuda 3G Modem Quick Start Guide to insert the SIM card into
1.
the Barracuda USB modem.
Connect the Barracuda modem to an empty USB port of the X-Series Firewall.
2.
Connect the antenna to the Barracuda modem and place it in a stable location.
3.
Restart your firewall so that it recognizes the Barracuda modem.
4.
Go to the BASIC > Administration page.
1.
In the System Reload/Shutdown section, click Restart.
2.
Step 2. Configure the provider settings
Go to the NETWORK > IP Configuration page.
1.
In the 3G Network Interface section, select the following settings:
2.
Enable 3G Network Interface: Yes
Classification: WAN
Configure the remaining 3G Network Interface settings for your network requirements.
3.
You can configure the Barracuda modem to automatically choose the transmission
standard with the best transmission performance. For Radio Preference, click Auto.
For the initial configuration, keep the default Metric value of
400
. In a multiprovider
configuration, the firewall chooses the interface with the lowest metric for outgoing traffic.
If authentication is required, enter the username and password for establishing a
connection to your ISP. If authentication is not required, select the No Auth check box.
If a pin number is required to unlock your SIM card, enter it in the SIM PIN field.
To use the DNS server that is assigned by your ISP, set Use Assigned DNS to Yes. The
firewall then uses the DNS servers of the ISP for DNS requests.
To make the firewall reachable with a unique identifier (DNS-resolvable name), set Use
