[CentOS] alias keeps changing (fwd)

Peter Farrow peter at farrows.org
Tue May 10 10:48:57 UTC 2005


Also......check the files in the directory

/etc/sysconfig/networking/profiles

These have a habit of overriding all the other settings....

P.
+

Maciej Zenczykowski wrote:

> I'd suggest looking around the ifcfg-eth* files (somewhere in 
> /etc/sysconfig/network-scripts I think) nad commenting out HWADDR= 
> lines, if that works, then try reversing the HWADDR lines - this will 
> reverse the numbers of the ethernet cards (ie making eth0 eth1 and 
> eth1 eth0) but should result in a stable configuration till next 
> hardware change.
>
> And you problem? IMHO, when the system boots up, one card gets the 
> name eth0, the other eth1, when checking HWADDR the first eth0 card 
> matches the ifcfg-eth1 HWADDR MAC address and is thus renamed to eth1, 
> which fails, since eth1 already exists, and thus gets a random name, 
> while the second eth1 matches the ifcfg-eth0 HWADDR MAC address and is 
> thus renamed to eth0.  In the end the physical eth1 is eth0 and the 
> physical eth0 gets a random dev* name.  This should probably be fixed 
> sometime... first rename all devices to random names and only 
> afterwards rename then to eth* according to the configuration files.
>
> Cheers,
> MaZe.
>
> PS. alternatively you can open the case and switch the two network cards,
> they'll be detected in reverse order and the previous renaming problem
> should vanish.
>
> On Mon, 9 May 2005, Michael Rock wrote:
>
>> btw - the two NIC cards are identical Intel Pro100S
>> and I also tried latest drivers.
>>
>> --- Michael Rock <mikerocks65 at yahoo.com> wrote:
>>
>>> Hi, I have a problem when adding a second NIC card.
>>> It will not configure to eth1 and keeps changing its
>>> device name on reboot to dev and a number, like
>>> dev8761.
>>>
>>> I tried changing BIOS setting, plug/play on/off and
>>> forcing IRQ for PCI slots.  But no difference.
>>>
>>> centos-3-4.2
>>>
>>> Any ideas? thx
>>>
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