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Blinks LED of a NIC card. Its used when you have multiple NICs and you want to identify the physical port of a particular ethernet card.
There are 2 alternatives - vote for the best!
If you can do better, submit your command here.
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Thanks, really useful for me
Thanks, this is my 2ct:
ethwireck can detect if the physical layer of the Ethernet is up. This can then be used in the init script for your network card to determine whether or not an interface should be brought up. You can branch then and bring e.g the cooper ethernet interface up if a wire is plugged in otherwise use wlan.
ethwireck implements basically the link state of ethtool and mii-tool in one program.
http://linuxfocus.org/~guido/ethwireck-1.3.tar.gz