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I have an old computer I installed Fedora 16 on, and I noticed the command ifconfig reported things like em1 and p3p1 instead of eth0 and lo. I researched it, ...
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  1. #1
    Just Joined!
    Join Date
    May 2012
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    4

    Consistent Network Device Naming


    I have an old computer I installed Fedora 16 on, and I noticed the command ifconfig reported things like em1 and p3p1 instead of eth0 and lo. I researched it, and I discovered that I could revert to the ethX by specifying biosdevname=0 on the linux command line. I did that and it did what it was supposed to. The problem is, I now realize how useful CNDN is, and I would like to get it back, but I can not figure out how. I removed the biosdevname=0 from the linux command-line, and rebooted, and no CNDN. I specified biosdevname=1, but it was still eth0 and eth1. I also tried yum reinstall udev biosdevname kernel and it did not fix it. Any help would be appreciated.

  2. #2
    Trusted Penguin
    Join Date
    May 2011
    Posts
    4,353
    you might need to remove the udev rule for network devices, if it was created. check here:

    Code:
    /etc/udev/rules.d/70-persistent-net.rules
    if it exists, move it some place else and reboot.

    also, check the network config files in /etc/sysconfig/network-scripts/ifcfg-*

    they may need to be renamed, after the kernel hopefully properly enumerates the device names from the previous step.

    this Dell document may provide some further clues.

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