> Just to clarify: net.ifnames=0 disables the systemd/udev interface renaming feature.
Well, I tried that and it didn't change the behavior, using 1 as a value did. Don't know if there's been tampering between freedesktop and Ubuntu 14.04LTS but that was my experience.
> Also, if you add rules to /etc/udev/rules.d, you should rebuild your initrd.
Thanks for the information. I didn't and it has been working for a while (through reboots), what bad thing(s) may happen if I don't?
----- Original Message -----
From: "Gordon Messmer" <gordon.messmer@xxxxxxxxx>
To: "CentOS mailing list" <centos@xxxxxxxxxx>
Sent: Monday, February 1, 2016 11:26:38 AM
Subject: Re: NICs order
On 02/01/2016 07:00 AM, Leroy Tennison wrote:
> The issue here may be systemd
...
> Web documentation at freedesktop.org says net.ifnames needs to be set to zero, I found just the opposite but if it doesn't work for you try both before giving up.
Just to clarify: net.ifnames=0 disables the systemd/udev interface
renaming feature. biosdevname=0 disables the biosdevname interface
renaming feature, which is completely separate. If you want the
traditional, non-deterministic Linux interface naming, you must specify
both.
Also, if you add rules to /etc/udev/rules.d, you should rebuild your initrd.
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