Problem setting up wired networking

Bill Nottingham notting at redhat.com
Fri Nov 14 19:05:51 UTC 2008


Anne Wilson (cannewilson at googlemail.com) said: 
> > > <quote>
> > > dmesg:
> > > udev: renamed network interface eth0 to eth1.
> > > </quote>
> > >
> > > No reason visible
> >
> > This is udev, renaming the device based on configuration
> > in /etc/udev/rules.d/70-persistent-net.rules (written by
> > anaconda, and updated by udev on device add), or from
> > the HWADDR field in /etc/sysconfig/network-scripts/ifcfg-XXX
> > (written by anaconda, or system-config-network, or the user
> > by hand.)
>
> But why? 

Because modules are loaded in parallel on boot, so interfaces
can come up named different things on each boot depending on
delays, etc. udev is renaming them based on the configuration
in the system so that the devices remain the same from boot
to boot.

Bill




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