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Old 11-26-2006, 10:32 AM   #1
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Two network cards, change eth0 and eth1


I have 2 network cards in my linux computer (slackware) and I want to change that eth0 is eth1 and eth1 is eth0.

How can I do it?

Thank you for your help!

Old 11-27-2006, 07:19 PM   #2
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I can't guess what you hope to accomplish. Usually, when two netcards are present, one is for connecting to the outside world (internet) and one for the inside world (lan), as in a server.

You might be able to change config files to reverse that configuration.

find /etc -type f | xargs grep 'eth0'

should find files in /etc to check out to see if you can do it.
Old 11-27-2006, 08:05 PM   #3
Registered: Jun 2004
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dual nic config

in /etc/rc.d/rc.local you could use rmmod or modprobe -r to unload the modules for your NIC's.

Then after that use modprobe to install the module for eth0 and then ifconfig the configuration for that card.

Do the same thing again but for the second NIC.

It may not be elegant, but I have used this method successfully.


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