• You should use the following cables :
  
  

  PC-switch	--> straight through
  PC-PC	--> cross-over
  PC-hub	--> straight through
  PC-router	--> cross-over (ethernet port) or rollover (console port)
  router-router	--> cross-over
  hub-hub	--> cross-over
  hub-switch	--> straight through
  router-switch	--> straight through
  switch-switch	--> cross-over