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Re: Udev persistent net rules - how do they work?



On Saturday 21 Apr 2007, Liam O'Toole wrote:
> On Sat, 21 Apr 2007 09:58:31 +0100
> Alan Chandler <alan@chandlerfamily.org.uk> wrote:
>
> [...]
>
> > When interfaces apparently appear out of nowhere, I suspect
> > hotplug/udev, and in /etc/udev there is a script called
> >
> > persistent-net-generator.rules
> >
> > which in its comments says it is storing the created interfaces so
> > that they stay the same across reboots.  But I can't figure out how
> > its supposed to work.  Can someone explain what it is doing, and if
> > so how I can tell if this is the cause of my problem.
> >
> > Thanks.
>
> The script persistent-net-generator.rules generates the
> file /etc/udev/rules.d/z25_persistent-net.rules. There you will see
> how udev maps a hardware address to a logical interface name such as
> eth0. Therefore you will need to swap around the names in that file
> just as you have done in /etc/network/interfaces.

OK, that isn't causing my problem. Its just writing class eth0 or eth1 
dependant on the MAC addresses - and those haven't changed.



-- 
Alan Chandler
http://www.chandlerfamily.org.uk



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