Hot answers tagged

2

Whatever's talking directly (at layer three) to the provider gets the address the provider assigns, which is usually global. Though, if you connect a Linux box directly to a modem, then that's it.


2

You can use lspci -v to list PCI device information, along with their IRQs. Correlate the IRQ listed via lspci with the setserial info you already gathered, and that should tell you what tty matches which PCI card. Also, if the port is disabled, you can enable it using setpci. More info on how to determine that, and how to enable it, can be found here: ...


1

I got the second modem ativated using the steps at http://askubuntu.com/questions/512092/how-to-set-modem-on-huawei-mobile-broadband: create /etc/usb_modeswitch.d/19d2:2000 sudo touch /etc/usb_modeswitch.d/19d2:2000 sudo nano /etc/usb_modeswitch.d/19d2:2000 Put: ######################################################## # ZTE WCDMA Technologies MSM ...


1

It is not generally possible to send AT commands to a modem while a call is in progress. This applies to all AT-compatible modems, "regular" dial-up modems and mobile phone modems alike, and it has nothing to do with PPP. By the way, a point of terminology: PPP sessions are not mounted. Mouting and umounting are terms that apply to filesystems. There are ...


1

Believe it's compiled into the kernel. grep CONFIG_SERIAL_8250_RUNTIME_UARTS /boot/config* CONFIG_SERIAL_8250_RUNTIME_UARTS=32 See Serial Tips And Miscellany Number of Serial Ports Supported If you have more than 4 (or possibly 2) serial ports, then you must insure that the kernel knows this. It can be done by configuring the kernel when compiling ...


1

Entering the following commands on the command line will enable wireless broadband in the NetworkManager: sudo systemctl start ModemManager.service sudo systemctl enable ModemManager.service


1

A bit late to the party, but I was stuck at the same hurdle. Since I have worked it out I thought I'd share my findings as every other post on the topic is about as clear as mud. Although NetworkManager can see the device, it doesn't know of any connections that are supported by the device. Unlike WiFi, we can't just do a scan to make a list of available ...



Only top voted, non community-wiki answers of a minimum length are eligible