Detecting ethernet card.

Florian Diesch diesch at
Mon Jun 12 22:19:04 UTC 2006

Daniel Carrera <daniel.carrera at> wrote:

R> Ok, I got it working but I don't really understand what I did. I
> edited /etc/network/interfaces and added a configuration for eth1:
> auto eth1
> iface eth1 inet dhcp
> Then ran 'ifup eth1' and then it worked.
> Question: Does this mean that 'ifup' does hardware detection? If you
> just add an entry in /etc/network/interfaces then 'ifup' will also try
> to detect the hardware?

Hardware detection is done at boot time. ifup uses
/etc/network/interfaces to configure a network interface. It needs your
NIC drivers already loaded.


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