Date: Tue, 6 Nov 2018 16:24:14 +0700 From: Adrian Gschwend <ml-ktk@netlabs.org> To: freebsd-questions@freebsd.org Subject: PPP & LTE card: How to access AT commands once interface is up? Message-ID: <5841fdd7-da51-6e18-fc11-d033f68d3d2a@netlabs.org>
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(I've asked this question on the OPNsense board first, see https://forum.opnsense.org/index.php?topic=9828.0) I've set up a PC engines based GW which is running an LTE connection as WAN interface. So far everything works fine, connection is up and seems stable so far. Due to my location and frequency bands used here in Asia, I got a Sierra Wireless MC7430 mPCIe card. Specs: https://source.sierrawireless.com/~/media/support_downloads/airprime/74xx/4116237_airprime_mc7430_product_technical_specification_r8.ashx AT command reference: https://www.sierrawireless.com/resources/documents/mp/2130309_mp7xx_at_command_reference.pdf The card works fine, however as soon as OPNsense takes care of the ppp connection via MPD I cannot send any other AT commands to the card. What I would like to have is some kind of "stats" interface where I can get things back like LTE network configuration, frequencies used, signal level etc. For my card the AT interface is on /dev/cuaU0.2, all other interfaces do not return anything on AT commands. And /dev/cuaU0.2 is busy as soon as the connection is up. Anyone has an idea how to do that for this particular card? thanks regards Adrian
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