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#!/bin/sh
#exec >/dev/null
exec 2>&1
exec </dev/null
pwd="$PWD"
if="${PWD##*/ifplugd_}"
echo "* Upping iface $if"
ip link set dev "$if" up
echo "* Starting ifplugd on $if [$$]"
exec \
env - PATH="$PATH" \
softlimit \
setuidgid root \
ifplugd -apqns -t3 -u8 -d8 -i "$if" -r "$pwd/ifplugd_handler"
# We use -t3 to wake ifplugd up less often.
# If after three tests (3*3=9 > 8) link state seen to be different,
# the handler will be called.
# IOW: short link losses will be ignored, longer ones
# will trigger DHCP reconfiguration and such (see handler code).
#-a Do not up interface automatically
#-p Dont run script on daemon startup
#-q Dont run script on daemon quit
#-n Do not daemonize
#-s Do not log to syslog
#-t SECS Poll time in seconds
#-u SECS Delay before running script after link up
#-d SECS Delay after link down
#-i IFACE Interface
#-r PROG Script to run
#-f/-F Treat link detection error as link down/link up (otherwise exit on error)
#-M Monitor creation/destruction of interface (otherwise it must exist)
#-x ARG Extra argument for script
#-I Dont exit on nonzero exit code from script
#-l Run script on startup even if no cable is detected
#-m MODE API mode (mii, priv, ethtool, wlan, auto)
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