Re: ifdown. is it really down?

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Bruno Wolff III wrote:
On Mon, Jun 30, 2008 at 22:47:54 +0000,
  g <[email protected]> wrote:
Bruno Wolff III wrote:
I don't believe that it is normal to power down the device when ifdown is
run. So the device will still flash is traffic is sent to it.
i do not 'power down'. i just use 'ifdown eth0' in a script.
I think you misunderstood. I was suggesting that normally ifdown won't turn
a device off, so it will still see ethernet traffic sent to it.
Even if it is powered down it is likely that one of the LEDs will flash when traffic appears on the line. If both LEDs flash then it hasn't come down and you can be concerned but many NICs' LEDs will flash even if the computer is powered off if it is attached to an active Ethernet.
You are correct, however, that 'ifdown' does not power the device off,
it only takes the interface down.
John Cornelius

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