How to choose between ip 2 identical ethernet cards
From: don fisher
Date: Fri Aug 29 2003 - 19:33:19 EST
Sorry for a bit off topic.
I have a Dell 8200 laptop and a docking station, both with 3c905C
ethenet chips. I wish to use the 3c905c internal to the docking
station when the system is docked. Otherwise the 3c905c internal to
the 8200. In my office I would like to run with both eth0 and eth1,
but I need to be able to connect the correct interface to the correct
cable. The same module is loaded for both devices.
The HOWTOs I found all assumed you had old cards with fixed addresses.
These could be specified as options in modules.conf. From the Net-HOWTO:
alias eth0 ne
alias eth1 ne
alias eth2 ne
options ne io=0x220,0x240,0x300
But this does not seem to apply to the 3c59x driver. modinfo doesn't
even list "io" as a valid option.
I did find:
1) in /proc/ioports, one of the devices is listed with "(#2)" after it.
2) in /etc/sysconfig/hwconf, one of the devices has
subDeviceId = 00d4, the other 00de.
I have tried changing the order of loading modules, along with a few
vain attempts in modules.conf. For info, this is a Redhat system.
Where is the definition as to which device will be associated with
eth0 made?
Any assistance would be appreciated. I did try to RTFM, I just can't
find the correct "fine manual";-)
thanks
don
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