Host remoteserver
HostName remoteserver.example.org
ControlMaster auto
ControlPath ~/.ssh/control/%r@%h:%p
ControlPersist 10m
Host *
ControlMaster auto
ControlPath ~/.ssh/master-%r@%h:%p
ssh user@host 'sudo tcpdump -i eth0 host <ip> and no port 22' | wireshark -