What does the OVPN Client option "disconnect-notify" do?

Hi!

There is a setting in the OVPN Client, called “Disconnect Notify”. Neither the old docs at https://wiki.mikrotik.com/wiki/Manual:Interface/OVPN#OVPN_Client nor the new one at https://help.mikrotik.com/docs/display/ROS/OpenVPN#OpenVPN-OVPNClient describe this option.

What does it do?

This is an option for the client to send a “disconnect” message to the server when it is voluntarily disconnecting.
The original OpenVPN protocol did not include that, it fully relied on timeout on the server side to know that a client is gone.
The official OpenVPN client also has this option, called “explicit-exit-notify”.

Thanks, pe1chl!