Configuring the U0/U1/M0 External 3G/4G/Modem Interface

The SonicWall security appliances with a USB port support an external 3G/mobile or analog modem interface. Depending on your appliance, when an analog modem or 3G device is installed prior to starting the appliance, it will be listed as the U0, U1, or M0 (NSA 240 only) interface on the Network > Interfaces page.

The U0/U1/M0 interface must be initially configured on the on the 3G or Modem tab in the left-side navigation bar. Once you have a created configuration profile for the interface, the configuration can be modified from the Network > Interfaces page. For additional information on 3G or analog modem external interfaces, see 3G/4G/Modem.

NOTE: The SonicWall security appliance must be rebooted before it will recognize the external 3G/mobile or analog modem interface.

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