{TAIL ~ The Ethernet hub} is arranged to connect {HEAD ~ the network port} and the port of the first interface 
{ TAIL ~ The Ethernet hub } is arranged to connect { HEAD ~ the network port } and the port of the first interface
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH