Reordering linux eth numbers

My openfiler install’s ethernet nic ordering numbers were off. This post is a quick overview of eth# numbering. From what I can tell, a program called udev is loaded on most linux distro’s which changes the enumeration of ethernet interfaces according to ‘rules’.

Program: udev
Ruleset: /etc/udev/rules.d/70-persistent-net.rules

This ruleset can tie a mac address to a specific eth#. I haven’t figured out how to activate a rule change without a reboot.

Reference: Renaming and reordering of network interfaces in linux using udev

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