Re: Quad ethernet card getting assigned different channels every install

[Nuno Silva <nuno.silva@vgertech.com>]

Hi!

You can load the module and specify the I/O address of each mii. This 
way you'll allways get the same eth for a given I/O. Read the module's 
fine manual :)

Regards,
Nuno Silva

Ian S. Nelson wrote:
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> The kernel is 2.4.18, from Redhat. I've looked at some of the code and I 
> think this might actually be a hardware bug.  I'm helping setup a 3 port 
> firewall, I'm remote so I haven't been hands on,  the guy has a quad 
> ethernet card in it.  Between kernel installs eth0, eth1, eth2, and eth3 
> seem to change which socket on the card they are.
> 
> Anyone seen anything like this before?  The hardware didn't change and 
> to my knowledge no BIOS changes have happened.  I'd assume that the PCI 
> bus would be enumerated the same each time and that the kernel, barring 
> changes to PCI device discovery, would give the same ethernet channel to 
> the same socket each time.  It boots consistently when we figure out 
> what port is what.
> 
> In this particular case it's potentially a big security concern, if we 
> swapped the DMZ and protected zones and didn't notice then his network 
> might be exposed.
> 
> 
> thanks,
> Ian
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