Re: Quad ethernet card getting assigned different channels every

[Nuno Silva]

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:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> 
> 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
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.2.0 (GNU/Linux)
> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
> 
> iD8DBQE97LykV28blwDT2YMRAribAJ9N/kevyPK2ALbZqplzRnW2pp/mEACfe/cN
> ug4c/2WZtGH7g5MzPBkU0xs=
> =wykB
> -----END PGP SIGNATURE-----
> 
> 
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [e-mail]
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
>