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Barracuda CloudGen Firewall

How to Configure an ISP using a WWAN Modem

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To establish wireless Internet connections, you can install the external Barracuda WWAN modem on the firewall. WWAN connections are ideal for backup lines and for use in mobile offices or locations without terrestrial Internet links.

After you connect the WWAN modem to the firewall, configure the provider settings. Then, verify that the default network route and network interface of the WWAN link have been successfully introduced and are available.

umts_wan.png

Step 1. Connect the Barracuda WWAN Modem

To connect the Barracuda modem:

  1. Follow the steps in the Barracuda WWAN Modem Quick Start Guide to insert the SIM card into the Barracuda WWAN modem.
  2. Connect the Barracuda modem to an empty USB port of the firewall.
  3. Connect the antenna to the Barracuda modem and place it in a stable location.
  4. Restart your firewall so that it recognizes the Barracuda modem.
    1. Go to BASIC > Administration.
    2. In the System Reload/Shutdown section, click Restart.

Step 2. Configure the Provider Settings

  1. Go to NETWORK > IP Configuration.
  2. Set Enable WWAN Network Interface to Yes.
  3. Set Classification to WAN.
    WWAN_configured.png
  4. Configure the remaining WWAN Interface settings for your network requirements:
    • APN – Enter the Access Point Name provided by your ISP provider.
    • Metric – For the initial configuration, keep the default Metric value of 400. In a multi-provider configuration, the firewall chooses the interface with the lowest metric for outgoing traffic.
    • Username, Password – 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.
    • SIM PIN – Enter the pin number if required to unlock your SIM card.
    • Use Assigned DNS – Set to Yes to use the DNS server that is assigned by your ISP. 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 Assigned DNS to Yes and enter your DynDNS credentials. 

      For more information on the DynDNS service, see http://dyn.com/dns/.  
    • Health Check – Select a test type from the Health Check list o monitor the WWAN Internet connection. 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.  
  5. Click Save to save the new configuration.

Step 3. Perform a Network Activation

After you create or change basic network configurations such as routing, you must activate your new network configurations.

  1. Scroll to the top of the page.
  2. Click on the link in the warning message to activate the new network configuration.
    network_activation_ip_configuration.png  
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