On Fri, Nov 14, 2008 at 07:08:03AM +0000, Anne Wilson wrote:
> On Friday 14 November 2008 06:53:53 Per Bothner wrote:
> > The recovered device shows up as eth1 rather than eth0. That's a
> > slight blemish. Perhaps this is left-over from when I used a USB
> > Ethernet device and that got installed as eth0? Some configuration
> > file defines that as eth0?
>
> Interesting. My eth0 also shows up as eth1, apparently renamed by udev - and
> no obvious reason.
>
> Configured devices:
> l0 eth0 wlan0
> Currently active devices:
> lo eth1 wmaster0 wlan0
>
> Something odd going on here.
I think that is "persistent udev naming rules" which tries to keep the
eth name the same for every boot despite additional interfaces
coming/going, e.g. usb or other hotplugged devices.
You can find the mapping of ethernet address to device name here and
change it if you want:
/etc/udev/rules.d/70-persistent-net.rules
Also, make sure your ifcfg-ethX files have matching HWADDR= lines.
e.g. ifcfg-eth0 should save DEVICE=eth0 and HWADDR= that matches the
ATTR{address} from the persistent-net.rules above.
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