multiple ethernet ports, random order

[alvin at Maggie.Linux-Consulting.com]

hi ya sam...

okay...

my comments apply to intel motherboards..specificailly
ca810eal and D815...

and others in the eepro list also seem to have similar
counting sequence...

and i've not used any 64bit slot motherboards...

c ya
alvin



On Fri, 3 Aug 2001, Sam Pottle wrote:

> Alvin writes:
> 
> > if you plug in two pci-based nics...
> > the one furthest from the atx connectors is eth0
> > and eth1 is the other pci nic...
> > and onboard nic is eth2
> 
> This is not true in general.  For example, our cluster headnode is
> based on the Tyan Thunder HEsl motherboard, which has 6 64-bit PCI slots.
> Slots #4 and #5 (counting outward from the AGP slot) are 66 MHz; the others
> are 33 MHz.  Nonetheless, the 66 MHz slots are first in line when it comes
> to getting their network hardware labelled.  I believe, though I'm not
> certain about this, that the 33 MHz slots are taken in the reverse order
> from that suggested above -- starting at the AGP slot end, rather than from
> the edge of the board.
> 
> Chris, which actual orderings of devices have you seen?  Is it a question
> of whether the onboard port gets labelled first (eth0 vs. eth2), or a 
> question of ordering within the dual NIC, or both?  [If the onboard port
> is ever eth1, I don't want to know about it. :-)]
>