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3.3 KiB
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88 lines
3.3 KiB
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===========================
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Configuring Cellular Modems
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===========================
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OPNsense supports a wide range of USB and miniPCIe cellular modems that can be used
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as primary internet (WAN) connection or as failover for a fixed/ethernet connection.
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With this guide we show you how to easily add a new modem and configure it to be
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used as primary WAN connection.
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----------------------------
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Devices used for this How-to
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----------------------------
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For this how-to we used a `Deciso Netboard A10 desktop appliance <https://www.deciso.com/product-catalog/opn20076b/>`__
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and a Huawei ME909u-521 miniPCIe cellular modem provided by `OSNet <https://www.osnet.eu/>`__.
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.. Note::
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Support for the ME909u-521 will be added in OPNsense 16.1.18.
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----------------------------------------
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Step 1 - Configure Point to Point device
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----------------------------------------
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Go to **Interfaces->Point-to-Point->Devices** and click on **Add** in the upper
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right corner of the form.
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Fill in the form like this (Example is for Dutch Mobile 4G KPN Subscription):
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============================ =======================================================
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**Link Type** PPP
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**Link interface(s)** /dev/cuaU0.0 ( HUAWEI Mobile Connect - Modem)
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**Description** 4G Cellular Network
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**Service Provider** Select Country, Provider & Plan for auto configuration
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**Username** Leave Empty (for NL KPN)
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**Password** Leave Empty (for NL KPN)
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**Phone Number** \*99# (for NL KPN)
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**Access Point Name (APN)** fastinternet (for NL KPN 4G)
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============================ =======================================================
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If you need to enter a PIN number then click on **Advanced Options**
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Click **Save** to apply the settings.
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.. image:: images/4g_configure_ppp.png
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:scale: 100%
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.. image:: images/ppp_celular_configured.png
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:scale: 100%
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---------------------------------
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Step 2 - Assign the WAN interface
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---------------------------------
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To assign the interface go to **Interfaces->Assignments** in our case we will make
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this our primary internet connection and change the WAN assignment accordingly.
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To do so just change the **Network port** for **WAN** to **ppp0 (/dev/cuaU0.0) - 4G Cellular Network**.
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No click **Save** below the form.
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If everything went fine then your are all setup and the default gateway will be
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the one of you cellular connection.
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.. image:: images/Interface_assignment_4g.png
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:scale: 100%
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-------------------------
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Step 3 - Trouble shooting
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-------------------------
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Ok, so it doesn't work as expected.
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In that case, first look at the log of the cellular device's PPP connection, to do
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so go to: **Interfaces->Point-to-Point->Log File**. Often you can see what went
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wrong directly in the log.
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If you can't figure out what is wrong then a reboot to reinitialize the device can
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sometimes help.
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.. Note::
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Before booting your device it is best to make sure the SIM card is inserted correctly.
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When the device seems to work properly then checkout if the interface was assigned
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an IP address, go to **Interfaces->Overview** and click on the WAN interface to
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see the details.
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You should see an IP address, Gateway IP and ISP DNS server(s).
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If all is filled in then either your firewall is blocking the traffic or the
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network connection is not working well.
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