Problem setting up wired networking

Anne Wilson cannewilson at googlemail.com
Mon Nov 17 16:35:43 UTC 2008


On Monday 17 November 2008 16:07:37 Michal Jaegermann wrote:
> On Mon, Nov 17, 2008 at 12:11:36PM +0000, Anne Wilson wrote:
> > Also, the renaming by udev of eth0 to eth1, when it doesn't happen with
> > the Live CD.  Is that also a separate bug?
>
> That, I am guessing, is not really a bug.  Probably something wrote,
> and why I do not know, at some moment a rule which requires such
> rename into /etc/udev/rules.d/70-persistent-net.rules.  Just to be
> sure of that name grep for udev/write_net_rules in files from
> /etc/udev/rules.d/.  

Curiouser and curiouser.  70-persistent-net.rules clearly says that it is 
eth0!

> You can edit found file or throw it away (just
> rename it for a start not to have a suffix '.rules') and it should
> be regenerated on the next boot.  Only make sure that something else
> does not bring that interface up as eth1.
>
> A generation of that rule in question may be a bug, or maybe not;
> depending on why it was created in the first place.  A general idea
> is not to allow udev to rename your network interfaces on every
> boot.  Especially important if you have many interfaces with
> different drivers.
>
While I have the file, is there any advantage/disadvantage of changing the 
ATTR{address} lines to show the genuine MAC addresses, rather than 
00:00:00:00:00:00?

Anne

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