Power management/Ethernet

This article describes the setup of power management of Ethernet devices.

Disable Wake On LAN
With Wake On LAN your network card stays also after shutdown powered, so it can receive the special packages, which wakes your computer up.

If you don't need WOL disable it. Check with, if WOL is already disabled:

The d stands for disabled.

BIOS
If you have an onboard device, you can most often disable WOL in the BIOS.

ethtool
Add this string to /etc/conf.d/net file to disable WOL:

Throttle Gigabit-Ethernet
Gigabit-Ethernet needs more power than Fast-Ethernet. If you don't use the greater bandwidth, you can throttle your connection to Fast-Ethernet. For it install :

Now you can throttle the connection:

If you want to always throttle the connection, create a local.d script.