eb wrote:

> Hello
>
> Here is my problem : I' running a gentoo box, and for unknown reasons,
> the 'lo' interface has renamed itself to 'lo'

can you post your "/etc/conf.d/net"?

or maybe you have disabled loopback support in kernel?


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Martin Hierholzer wrote:

> eb wrote:
>
>> Hello
>>
>> Here is my problem : I' running a gentoo box, and for unknown reasons,
>> the 'lo' interface has renamed itself to 'lo'
>
> can you post your "/etc/conf.d/net"?
>
> or maybe you have disabled loopback support in kernel?
>
>

/etc/conf.d/net is empty.
when eth0 was properly initialised, it used dhcp, hence the empty 'net' file

It is extremely unlikely that loopback has been disabled in the kernel,
since I have not changed the kernel for several months.

The loopback device still exist under the name 'eth0', but it seems not
usable under this name ...

Is there a module I should see with lsmod ?

Or anything else ?

eb wrote:

> The loopback device still exist under the name 'eth0', but it seems not
> usable under this name ...

On my Debian machine, the loopback device is called lo, and is independent of
eth0:

$ cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
address 10.0.0.2
netmask 255.255.255.0
broadcast 10.0.0.255
gateway 10.0.0.1
#dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 10.0.0.1

Maybe you need something like that on your machine.

Regards,

Mark.

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Mark Hobley wrote:

> eb wrote:
>
>> The loopback device still exist under the name 'eth0', but it seems not
>> usable under this name ...
>
> On my Debian machine, the loopback device is called lo, and is independent
> of eth0:
>
> $ cat /etc/network/interfaces
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
>
> # The loopback network interface
> auto lo
> iface lo inet loopback
>
> # The primary network interface
> auto eth0
> iface eth0 inet static
> address 10.0.0.2
> netmask 255.255.255.0
> broadcast 10.0.0.255
> gateway 10.0.0.1
> #dns-* options are implemented by the resolvconf package, if installed
> dns-nameservers 10.0.0.1
>
> Maybe you need something like that on your machine.
>
> Regards,
>
> Mark.
>

Well, unfortunately, one does not apply Debian file structure to a Gentoo
box ...
There is no such file here.

But the problem got solved by chance : it was an obnoxious udev rule.