Where is eth0/eth1/assigned -
Mikkel L. Ellertson
mikkel at infinity-ltd.com
Thu Jun 4 20:37:37 UTC 2009
Mike Burger wrote:
>> I am still struggling with this f10 install. It appeared that the
>> NIC in eth0 was no good. I pulled it out and left the second card
>> which was/is eth1.
>>
>> It looks to me like that designation eth1 might be changed to eth0
>> using ethtool but if so, I can't find the right command.
>>
>> I have used service-config-network to set it up as 192.168.1.10 and
>> eth1, network-scripts is set up for eth1. but no matter what I do a
>> ping to another computer yields "Network is unreachable."
>>
>> This is a wired connection. I've tried a different cat5 cable.
>> "ethtools eth1" looks ok compared to the other computers. Not sure
>> what I have missed but it would be simpler perhaps if I could
>> convince the NIC that it was eth0 instead of eth1 but I can't
>> determine how that is set.
>>
>> Any help appreciated. I am about at wits end.
>
> Actually, it's probably in your /etc/modprobe.conf file.
>
It can be, but /etc/udev/rules.d/70-persistent-net.rules tends to be
more important - it maps the MAC address to the device name. Then
you may also have the HWADDR=<MAC address> option in your
/etc/sysconfig/network-scripts/ifcfg=eth? file. That will provent
the interface from coming up if the MAC address of the NIC does not
match.
You can edit the 70-persistent-net.rules file, or you can delete it
if you want to renumber the NICs. It will be re-created for you the
next time you boot. Change the HWADDR= value requires you do edit
the ifcfg-eth? file. (Hand edit or GUI.)
Mikkel
--
Do not meddle in the affairs of dragons,
for thou art crunchy and taste good with Ketchup!
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