change device from eth1 to eth0

paulb787 · Apprentice Joined: 14 Nov 2005 Posts: 250

how would i go about changing a device from eth1 to eth0

volumen1 · Guru Joined: 01 Mar 2003 Posts: 393 Location: Missoula, MT

I believe the devices are numbered based on the order that they are loaded into the kernel. I'm not sure how you'd do it if both of your drivers were built into the kernel. But, if you are using modules, then you could change the order the modules load in /etc/modules.autoload.d/. I'm sure there is a way to do it if you are using coldplug, but I don't know off the top of my head. I suppose you could kludge it by building the drivers for the card you want to be eth0 into your kernel and then configuring the other card's driver to be a module? I'm sure there's a classier way, though.
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codergeek42 · Posted: Tue Nov 22, 2005 5:48 am Post subject:

You could try ifrename.
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volumen1 · Guru Joined: 01 Mar 2003 Posts: 393 Location: Missoula, MT

Hmm... I've never heard of ifrename. Is it a debian tool? Is it in portage somewhere? "locate ifrename" on my machine only showed me some ifrename hotplug patches.
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I was born with a freakin' dice bag on my belt.
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codergeek42 · Posted: Tue Nov 22, 2005 6:44 pm Post subject:

How odd. I could swear it was in Portage. Maybe I'm imagining things, sorry.

Maybe on of the net-misc/ packages. I'l have to try that out when I get home later.
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JohnDoe · Posted: Tue Nov 22, 2005 10:15 pm Post subject:

You could use nameif I think

From nameif man page:
nameif renames network interfaces based on mac addresses.

nameif is part of sys-apps/net-tools. Read its man page before trying to use it as it gives some important info in the Notes section

codergeek42 · Posted: Tue Nov 22, 2005 10:19 pm Post subject:

That's the one! Thanks, JohnDoe.
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Who am I? :: EFF & FSF

UberLord · Posted: Wed Nov 23, 2005 9:52 am Post subject:

ifrename is part of wireless-tools

The preferred way of renaming things is to write a udev rule.
Other than that you can use (all change eth0 to eth1)

1) baselayout-1.12 and use rename_eth0="eth1" or rename_001122334455="eth1" (where 001122334455 is the MAC address)
2) iproute2 command - ip link set address eth1 dev eth0
3) net-tools command - ifconfig eth0 hw ether eth1
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