Nasser Heidari

2008-04-03

Which interface is eth0?

Filed under: Linux — Nasser Heidari @ 05:06
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jacks.jpg

If you’re not sure which physical interface is eth0 and which is eth1 (or eth2), run:

#ethtool -p eth0 5

This blinks the LED on the interface for five seconds—without interrupting network traffic.