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Linux - Networking This forum is for any issue related to networks or networking.
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Old 03-28-2006, 06:05 PM   #1
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Registered: Sep 2004
Location: Whitehorse Yukon
Distribution: debian, Fedora, Ubuntu, more...
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eth0 changes to eth1 randomly...

Ya, it sounds strange...

I'm using Debian testing with 2.6.15-1-486 (im not sure why its -486).

I have three network cards. Two wired and one wireless.

The wireless card is pcmcia so its not being affected by this behaviour.

Eth0 is external and has dhcp client running on it to get its ip from the dsl service. Eth1 is my internal network.

Periodically eth0 will become eth1 and grab an INTERAL ip address from my internal dhcp server and eth1 will turn into eth0 and keep its internal ip address. This only happens on reboots but does not happen on every reboot.

I've never seen this behaviour before and there are no log errors showing up. LSMOD shows correct drivers. DMESG never shows anything helpful either. I have even changed network cards, and changed the slots the cards are seated in.

Has anyone else ever seen this kind of behaviour?

Last edited by dmoorhouse; 03-29-2006 at 12:29 AM.
Old 03-28-2006, 06:56 PM   #2
Registered: Jan 2005
Location: Cork Ireland
Distribution: Debian
Posts: 384

Rep: Reputation: 32
from what i've seen, the first module that is loaded at boot time gets eth0, the second eth1 and so on... that doesn't really amswer your question, but i hope it can help at least a bit.


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