[update] [Summary] Swap names of eth0 and eth1

["Thien Vu" <thien_vu@hotmail.com>]

After the inital summary went out, I had suggestions to change the IRQ via
the BIOS so the discovery of the network cards would be in the order I
desired. I didn't try it out, but I'm pretty sure it would work.

Below is the original question and the original summary.

Again, thanks to all those who replied.

Thien
----- Original Message -----
From: "Thien Vu" <thien_vu@hotmail.com>
To: <linuxmanagers@linuxmanagers.org>
Sent: Saturday, March 16, 2002 12:07 AM
Subject: [Summary] Swap names of eth0 and eth1


> Hi,
>
> I got a dozen or so replies. Thanks to echase, Mark, Jim, Bishop, Brian,
> Skylar, Steven.
>
> The reason I wanted to have this was for easy counting. I'm lazy and just
> wanted to think of eth0 as the internal network and eth1 as the public
> network, with eth0 belonging to the card in the lower PCI slot. This is
> especially the case after unplugging cabling and moving stuff around. Like
I
> said I'm too lazy to label the cables.
>
> In the end, I followed the first solution suggested to me: just swap the
> cables that were being plugged into the NICs.
>
> Most people suggested to swap the cards in their respective PCI slots.
> Unfortunately this didn't work because the IRQs were getting assigned by
PCI
> slot. The detection by the driver (I'm told) is done via base address for
> ISA cards and via IRQ with PCI cards.
>
> Other suggestions included changing the order of NIC modules, but since
the
> two cards are identical, the module detects both cards when the module is
> loaded.
>
> I had a suggestion to swap the network start up scripts, which I didn't
try
> but am not sure that it would work because of the detection mechanism
> described above.
>
> Thien
>
> ----- Original Message -----
> From: "Thien Vu" <thien_vu@hotmail.com>
> To: <linuxmanagers@linuxmanagers.org>
> Sent: Thursday, March 14, 2002 7:47 PM
> Subject: Swap names of eth0 and eth1
>
>
> > Hi all,
> >
> > I have two Netgear FA-310 TX cards plugged into a Abit BX6-2, in slots 1
> and
> > 2. These cards have the Lite-On chipset.
> > The card in PCI Slot 1 has IRQ 12 and is assigned the name 'eth1'.
> > The card in PCI Slot 2 has IRQ 10 and is assigned the name 'eth0'.
> >
> > I was wondering if there was any way to have the kernel swap the name
> > assignments so it looks like:
> > PCI Slot 1 --> IRQ 12 --> eth0
> > PCI Slot 2 --> IRQ 10 --> eth1
> >
> > I am using the latest kernel and am using the 'tulip' driver.
> >
> > Thanks, will summarize.
> >
> > Thien
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