Look up ‘shh multiplexing’. This makes subsequent sessions share the same connection. I don't know a particularly good tutorial; maybe see https://en.wikibooks.

Look up ‘shh multiplexing’. This makes subsequent sessions share the same connection. I don't know a particularly good tutorial; maybe see https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Multiplexing https://en.wikibooks.org/wiki/OpenSSH/Cookbook/Multiplexing