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For ifplugd the wiki states:
DHCP profiles are started/stopped when the network cable is plugged in and out.
I'm just curious: What happens when I don't have ifplugd installed and plug the cable in/out? I would test it myself but for the next three months I do not have a cable...
I would imagine that the profile just keeps being active, meaning a few KB of RAM would be used and maybe also a few CPU cycles. But nothing bad. And if I plug the cable back in I can still use the profile (if it is the same cable of course). So ifplugd should only be relevant for users who have access to multiple LANs and switch between those. Right?
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I think there is a difference between a network which is down and a network that does not respond, which is the case if you simply disconnect the cable without bringing the network down. A network that does not respond can cause various hangs. For example, if you try to visit a website, this will immediately fail if the network is down but will just hang if the network does not respond. This might be even more problematic for other network related actions (network filesystems, network printers, etc..).
Last edited by olive (2015-10-31 21:27:41)
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