Vladivostok Linux User Group

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ETHERNET DEVICES
       Different  drivers  make use of different parameters, but they all at least share
       having an IRQ, an I/O port base value, and a name. In its most generic  form,  it
       looks something like this:

              ether=irq,iobase[,param_1[,...param_8]],name

       The  first  non-numeric  argument  is  taken as the name.  The param_n values (if
       applicable) usually have different meanings for each different card/driver.  Typ-
       ical param_n values are used to specify things like shared memory address, inter-
       face selection, DMA channel and the like.

       The most common use of this parameter is to force probing for a second ethercard,
       as the default is to only probe for one. This can be accomplished with a simple:

              ether=0,0,eth1

       Note  that  the values of zero for the IRQ and I/O base in the above example tell
       the driver(s) to autoprobe.

       The Ethernet-HowTo has extensive documentation on using multiple cards and on the
       card/driver  specific implementation of the param_n values where used. Interested
       readers should refer to the section in that document on their particular card.

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# PCI device 0x10ec:0x8139 (8139too)                                                                                          
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:e0:4c:eb:07:53", NAME="eth0"                                             
                                                                                                                              
# PCI device 0x10de:0x0057 (forcedeth)                                                                                        
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:13:d4:f9:ca:82", NAME="eth1"                                             
                                                                                                                              
# Firewire device 0011d800006c9193)                                                                                           
SUBSYSTEM=="net", DRIVERS=="?*", ATTRS{address}=="00:11:d8:00:00:6c:91:93", NAME="eth2"