FortiExtender installation

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This example shows how to set an internet connection using a 3G/4G modem and a FortiExtender. A FortiExtender is used when the FortiGate unit is located in an area without 3G/4G network coverage, the FortiExtender can be placed near a window or outdoors.

For information about the compatibility of FortiExtender and various modems, see the FortiGate and FortiExtender Modem Compatibility Matrix.

1. Installing the 3G/4G modem in the FortiExtender

Remove the housing cover of the FortiExtender and use the provided USB extension cable to connect your 3G/4G modem to the device.

For more information on installing the 3G/4G modem, see the QuickStart Guide.

2. Connecting the FortiExtender

Use an Ethernet cable to connect the FortiExtender to the lan interface of a FortiGate unit.

Once connected, FortiGate can control FortiExtender and modem.

 

Enable FortiExtender in the FortiGate’s CLI.

CAPWAP service must be enabled on the port to which FortiExtender is connected, lan interface in this example.

config system global
  set fortiextender enable
  set wireless-controller enable
end

config system interface
  edit lan
     append allowaccess capwap
  end
end

Once enabled, it appears as a virtual WAN interface in the FortiGate, such as fext-wan1. Go to System > Network > Interface to verify fext-wan1 interface.

3. Configuring the FortiExtender

Go to System > Network > FortiExtender and authorize the FortiExtender.

Once authorized, you can see the status of the FortiExtender.

4. Modem settings

The FortiExtender unit allows for two modes of operation for the modem; On Demand and Always Connect.

Go to System > Network > FortiExtender and click on Configure Settings.

Select Always Connect for Dial Mode and keep other settings to default.

5. Configuring the FortiGate

Go to Router > Static > Static Routes and add new route through fext-wan1 interface.

Go to Policy & Objects > Policy > IPv4 and create a new security policy allowing traffic from lan interface to fext-wan1 interface.

6. Results

Browse the Internet and go to Policy & Objects > Policy > IPv4 to verify the Count.

Go to Log & Report > Traffic Log > Forward Traffic.

You can see that traffic flowing from lan interface to fext-wan1 interface.

Select an entry for details.

For further reading, check out FortiExtender in the FortiOS 5.2 Handbook.

Taher Elbar

Taher Elbar

Technical Product Specialist at Fortinet
After a Bachelor degree in Telecommunications from university of Geneva, Taher began his career in software development, then moved to System/Network administration followed by Security Support Engineer. With over 10 years of experience, Taher is writing various Technical documentation for Fortinet.
Taher Elbar
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