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

[Don E. Kauffman]

Alright!!! Thanks to Joe and everyone else!

That last bit of advice did the trick!!!! Linux is WAY COOL! :-)

Don Kauffman

On Monday 07 October 2002 09:19 am, you wrote:
> To logically switch the interfaces on a RH 7.x system:
>
> ifdown eth0
> ifdown eth1
> mv /etc/sysconfig/network-scripts/ifcfg-eth0
> /etc/sysconfig/network-scripts/ifcfg-eth0.tmp
> mv /etc/sysconfig/network-scripts/ifcfg-eth1
> /etc/sysconfig/network-scripts/ifcfg-eth0
> mv /etc/sysconfig/network-scripts/ifcfg-eth0.tmp
> /etc/sysconfig/network-scripts/ifcfg-eth1
> ifup eth0
> ifup eth1
>
> At 10/4/02 11:18 PM Friday, Daniel Pfile wrote:
> >If I read your email correctly, the chip on your built in ethernet is
> >toast and you want to use the pci card you have in your machine for
> >network access.
> >
> >Have you checked your bios to see if you can disable ethernet? It's
> >usually in the onboard peripherals setting someplace. That's what I do
> >when things like on board sound and a sound card don't play nice.
> >
> >On Fri, 2002-10-04 at 22:39, Don E. Kauffman wrote:
> > > I wish it were that simple. The TLAN is built in and is therefoire not
> > > amenable to switching -- or am I missing something??
> > >
> > > Don K.
> > >
> > > On Friday 04 October 2002 10:32 pm, you wrote:
> > > > 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
> > > > > _______________________________________________
> > > > > OLUG mailing list
> > > > > OLUG at olug.org
> > > > > http://lists.olug.org/mailman/listinfo/olug
> > > >
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> > >
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> >
> >--
> >-- Daniel Pfile - daniel AT pfile DAWT net
> >
> >_______________________________________________
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>
> Joe Catanzaro
> joecatanzaro at cox.net
>
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