Re: Restarting network
Le Thu 7/07/2011, Brian disait
> On Thu 07 Jul 2011 at 20:45:54 +0100, Joe wrote:
>
> > But presumably at boot, all interfaces, whether auto or not, are
> > successfully started, and presumably properly closed down on shutdown.
>
> When booting, interfaces marked 'auto' are brought up by scripts in
> /etc/init.d. However, interfaces marked 'allow-hotplug' are brought up
> by scripts run by udev. The end result is (or should be) the same but
> the mechanisms are different.
>
> Interfaces marked with neither are not activated.
>
> > Is there no command-line access to whatever mechanism does this? Do we
> > really need to keep a list of current interface names on a sticky
> > note on the monitor and ifup them individually?
>
> ifup/ifdown will always do what their names imply. You would need to
> have knowledge of the interfaces on your machine to use the commands. A
> sticky-note might help. :)
>
> The point which the OP raised was the purpose of /etc/init.d/networking
> (or perhaps, like me, he was puzzled by the use of the word
> 'deprecated). It sounds as though it will enable all interfaces. It
> doesn't, unless they are marked 'auto',
>
> So - some lateral thinking. Mark every interface (apart from lo) auto
> *and* 'allow-hotplug'. '/etc/init.d/networking restart' or
> '/etc/init.d/networking start' would now work. Does that address your
> query?
>
> There are two schools of thought about this. One is that it is bad, the
> other is that it is ok.
Allow-hotplug could be interesting for a removable NIC (PCMCIA, expresscard etc.) But what is the use for a fixed NIC ?
--
Erwan
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