Re: sshd doesn't disconnect for 30+ minutes after the TCP connection is closed ungracefully

From: Mark Delany <n6t_at_oscar.emu.st>
Date: Mon, 06 Mar 2023 21:04:37 UTC 
On 06Mar23, Peter Wemm allegedly wrote:
> (~/.ssh/config with ServerAlive* probes) for different reasons.  The 
> (overloaded) router would drop connections that seemed idle.  Sending 
> probes helped prevent that - or at least making the router drop somebody 
> else's instead.

Probably explains why I, quite likely on the same shuttle, ended up running this on the
client side of my terminal sessions:

while :
do
      ssh snake.corp.youknowhoo.com tmux emacs
      echo Some dirty rat caused my connection to drop...again!
      sleep 2
done