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Consistent Network Device Naming, or “Which is eth0?”

About the Talk

April 2, 2011 6:00 PM

Hilton Austin Hotel

Hilton Austin Hotel

Servers often have multiple Ethernet ports, either embedded on the motherboard, or on add-in PCI cards. Linux has traditionally named these ports ethX, but there has been no correlation of the ethX names to the chassis labels - the ethX names are non-deterministic. Starting in Fedora 15 and coming to all other distributions soon thereafter, Ethernet ports will have a new naming scheme corresponding to physical locations, rather than ethX. This takes the guesswork and manual efforts needed to correlate the Linux device name and the RJ-45 jack on the outside of the system. You’ll learn why this is needed, what the new naming convention will be, and how it will affect you and your scripts.

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