Am 06.11.2017 um 17:53 schrieb Narcis Garcia: > Interface is declared at /etc/network/interfaces : > auto enp2s0 > allow-hotplug enp2s0 > iface enp2s0 inet dhcp > > An executable script: > /etc/network/if-up.d/test1 > only runs on boot (per each NIC). If network cable is plugged to enp2s0 > some minutes later, script is not run. > Same behavior when booting with network, and unplugging + plugging later.
Hotplug in the context of udev is the hotplugging of a hardware PCI or USB device, not of a network cable. If you want to have a network interface brought up or down whenever a cable is (un)plugged, try installing the netplug package, edit /etc/netplug/netplugd.conf and add enp2s0 to it, and remove both "auto enp2s0" and "allow-hotplug enp2s0" from /etc/network/interfaces. Note that cable (un)plug events might not be properly supported by all network cards. -- Met vriendelijke groet / with kind regards, Guus Sliepen <g...@debian.org>
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