Think ethtool can help you save power? It can! Believe it or not, 1GBit Ethernet uses up to 2 watts more than 100Mbit. Surprising, isn't it!
The power consumption on my Mac Mini x86 went from 19 watts to 17 after switching. Here's how I did it:
Without "autoneg off", the speed would return to 1000, and eth1 might be eth0 or eth2, depending on the setup.
The power consumption on my Mac Mini x86 went from 19 watts to 17 after switching. Here's how I did it:
ethtool -s eth1 speed 100 autoneg off
Without "autoneg off", the speed would return to 1000, and eth1 might be eth0 or eth2, depending on the setup.
