On Thu, Nov 02, 2023 at 10:41:06PM +0700, Max Nikulin wrote: > On 02/11/2023 00:44, to...@tuxteam.de wrote: > > On Wed, Nov 01, 2023 at 10:00:45PM +0700, Max Nikulin wrote: > > > > > > Doesn't allow-hotplug means adding a network adapter (e.g. a USB one), not > > > plugging network cable into an existing adapter (built-in or connected > > > earlier)? > > > > Following the man page (interfaces (5)) you are right, of course. In > > theory, however, since things are kicked off by an udev rule (i.e. > > udev calling some command) it shouldn't be too hard (TM) to wire up > > things, provided you've a monitor which tells you when an eth has > > carrier. > > I am unsure if it is exposed as a udev event or it is necessary to receive > messages from netlink socket.
Now I know. No udev -- so one would have to "wire it up". > I am a bit surprised by a use case when temporary unplugging of cable should > be ignored. I have not tested it, but I hope, a setting, I have noticed in > docs, allows NetworkManager to handle it as well. TCP/IP can take that. Retransmit and things. Only after a (usually generous) timeout the application layer notices. Which has upsides and downsides, of course :-) Cheers -- t
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