Re: Address-less ethernet interface
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Anand Buddhdev wrote:
> Hi everyone,
>
> I have looked through a Debian book I have, as well as Google and archive
> searches, but I can't figure out how to activate an ethernet interface on
> Debian at boot time without assigning any IP address to it.
>
> I have a system with eth0, eth1 and eth2. eth1 and eth2 have IP addresses,
> and are defined in /etc/network/interfaces. eth0 is connected to a
> monitoring switch port, so that I can run "tcpdump -i eth0 ...." to
> capture traffic on the network.
>
> I don't need any IP address on eth0, but I need it to be up. I can
> manually run "ifconfig eth0 up", but I can't figure out how to do this
> automatically at boot time. I have tried to put in the following
> in /etc/network/interfaces:
>
> auto eth0
> iface eth0
>
> However, ifup complains about incomplete parameters. Does anyone know the
> correct way to solve this problem? Please keep in mind that I can already
> do this from an /etc/rc.local script or somesuch, but I consider those
> kind of solutions to be a hack, and I prefer to do things the
> way "proper" way, ie. using the distro's scripts.
>
> TIA,
>
Greetings Anand:
in /etc/network/interfaces:
auto eth0
iface eth0 inet manual
The manual method is described in the manpage "interfaces"
- -Scott
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