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Enterprise Networking Planet: Nail Down Network Interface Names with ifrename

Feb 27, 2006, 07:00 (6 Talkback[s])
(Other stories by Carla Schroder)


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"Who among us has not experienced the joy of rebooting a multi-homed Linux server, and found that our network interfaces have come up in a different order, and been assigned different names by the kernel? This is especially amusing when doing a kernel upgrade on multiple servers, and all of them do the random-re-assignment dance. Sure, everyone knows we have all the time in the world for useless tasks like re-configuring network cards, but still, there must be a better way.

"Of course there is a better way, else I would not be writing this article. The ifrename utility, by the esteemed Jean Tourrilhes of the Wireless Tools for Linux project, assigns permanent, arbitrary names to all types of network interfaces: ISA, PCI, USB, CardBus, and PCMCIA..."

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