[TriLUG] network cards

[Steven Blanchard]

i know it is possible to specify in 
/etc/sysconfig/network-scripts/ifcfg-eth[0,1] (on RedHat systems, at 
least) which kernel module to use for a certain interface. I don't know 
the exact way to do so, but i believe that this would allow you to 
specify which name coresponds to which physical interface.

~steven

M. Mueller (bhu5nji) wrote:

> eth<x> is the symbolic name assigned by the kernel to the Ethernet interface. 
> With PCI, an interface that is eth0 in a singly homed machine can become eth1 
> when a second interface is to the machine.  This effect is due to the order 
> in which the cards are found during the boot up sequence.  Probes can run 
> high to low, or low to high.  This is a software decision that may not be 
> open for change - but it's worth a look-see in the BIOS.  You may want to try 
> swapping the card positions in your machine to gauge the effect, for example, 
> will card A become eth0 in a machine where it is 1 of 1 Ethernet IF and 1 of 
> 2 Ethernet IF?  Another approach is to accept the eth<x> names assigned to 
> the cards by the system and then "ifconfig" them to match the appropriate net 
> address for you network.
> 
> Mike M.
> 
> 
> On Friday 25 January 2002 08:00 am, you wrote:
> 
>>I am having a bizzare problem - I have a netfinity-5100 with dual nic's
>>- It has an on board (eth0) pcnet32 --- the second is in pci slot 1
>>(eepro100) (eth1) ...  When the system boots up, eth0 expects, eepro100
>>and eth1 exepect pcnet32 - so I bring it up in Single user mode, change
>>the drivers and do an init 5 (all is well) -- if i try to reboot, then I
>>start all over.  Has anyone any idea why the devices/software switch
>>positions? Could it be the bios?
>>
>>tia,
>>mark
>>
>>
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