[CentOS] How to make a network interface come up automatically on link up?
Gordon Messmer
gordon.messmer at gmail.comWed Apr 24 17:07:41 UTC 2013
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On 04/22/2013 10:30 AM, Joakim Ziegler wrote: > I've tried various combinations of HOTPLUG=yes and no, and MANAGED=yes > and no, then someone asked me if this was really not managed, so I > posted the dmesg output above. I'm pretty sure HOTPLUG is only used when the interface ITSELF is attached to the system at runtime, not the cable, and MANAGED isn't used at all. If you set NM_CONTROLLED=no then the configuration will be loaded only if the system starts the "network" service and the configuration will not change on link up/link down. Otherwise, you need to check the messages log file for information from NetworkManager. dmesg will not tell you what you need to know.
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