Dear All, Running a macbook pro, Yosemite, connected to a ADSL router. Can't connect to the internet through cat5 ethernet cable, cable length is 330 foot. However with a short cable, 3 foot, there's no problem connecting to the internet in the same setup. Tips please....thanks in advance Have already tried signing in with a static ip adress. Same problem, long cable no connection, short cables makes connection to the internet.