Ping all in mininet environment to view the host reachability.
mininet> pingall Ping: testing ping reachability h1 -> X h3 X h5 X h2 -> X X h4 X h6 h3 -> h1 X X h5 X h4 -> X h2 X X h6 h5 -> h1 X h3 X X h6 -> X h2 X h4 X
Ping all in mininet environment to view the host reachability.
mininet> pingall Ping: testing ping reachability h1 -> X h3 X h5 X h2 -> X X h4 X h6 h3 -> h1 X X h5 X h4 -> X h2 X X h6 h5 -> h1 X h3 X X h6 -> X h2 X h4 X