Hot answers tagged ethernet
Please open a terminal and do: sudo apt-get purge bcmwl-kernel-source sudo modprobe b44 Your ethernet should now be working. Hook it up and continue: sudo apt-get update sudo apt-get install firmware-b43-installer After a reboot, you should be all set.
As per discussion in the chat, turn off auto-negotiation on the server and fix the network speed to the highest level that the Network Interface Card (NIC) can sustain. Start with 10Mbps, half duplex and work upwards to 10Mbps FD, 100Mbps HD, ... until the problem starts. Then go down one notch and leave it at that speed. To make the change permanent, ...
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