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Sorry about this could be FAQ but I did not find any useful information on Internet/Google. I setup a 4G/LTE modem on a Ubuntu 18.04 and it is verified by "sudo pon/poff provider".

The next step could be similar to:

/etc/network/interfaces
   allow-hotplug ppplte0
   iface ppplte0 inet ppp
   provider isp

sudo ifup --allow=hotplug ppplte0
sudo ifquery --state ppplte0
sudo ifdown ppplte0

Any equivalent set-up by netplan? For if{up/query/down} commands, I would like to put it into systemd to start/stop when system is boot-up or shutdown.

Thanks for any comments.

faylyn
  • 23

1 Answers1

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Netplan does not support integration with ppp. Ifupdown continues to be supported in Ubuntu 18.04 for such use cases.

slangasek
  • 5,828