[olug] Changing eth0 & eth1 around (in linux, of course!)

[David Walker]

I don't know the answer but I've had a hunch that swapping the physical 
locations of the cards might accomplish that.  However I haven't had the 
opportunity/need to test that hunch.

On Friday 04 October 2002 09:35 pm, (Via wrote:
> Howdy,
>
> I've had a problem with the networking on the linux box. I have a TLAN
> (eth0) built in -- and it does not seem to be functioning anymore -- along
> with a D-link (eth1)  I spent all day yesterday off the net trying to
> figure out how I could reconfigure the system to have the D-Link be eth0
> and assign eth1 to TLAN.  I ffinally noticed in the man page on dhcpcd 
> that I could change the interface that dhcp was "attached" to. Hence I am
> now able to connect again!!
>
> Is there a way to flipflop the two interfaces? Here's what I've tried so
> far.
>
> 1. Changed the aliases in modules.conf from this
> alias eth0 tlan
> alias eth1 8139too
>
> to this
> alias eth0 8139too
> alias eth1 tlan
>
> and rebooted the machine. dmesg showed that it was still regarding the tlan
> as eth0.
>
> 2. Used the network configuration GUI in RH 7.2 to reconfigure the tlan to
> eth1. Looked at the ifconfig output for eth0 and it shows tlan.
>
> 3. recompiled the kernel to compile the ethernet modules separately trom
> the kernel. (I compiled the RH7.2  2.4.9-34 version of the kernel.)
>
> 4. On reboot, dmesg still shows the system as setting eth0 to the tlan.
>
> 5. I modprobed the respective modules into the kernel and found I had to
> re-configure the routing tables. The RH network confiuguration GUI shows
> that the tlan is eth1 and the D-Link as eth0. (I'm beginning to thiink that
> particular tool bears only a faint resemblence to reality . . .)
>
> It's not a big deal if I can't get the tlan setup as eth1 now that I know I
> can get the same results by having dhcp interface with the D-Link on eth1
> but it would be nice to know if I'm missing anything, So please make
> suggestions or, at least, let me know if what I want to do isn't possible.
>
> Thanks!
>
> Don Kauffman
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