Startup delay using /mnt/kd/rc.elocal

rc.elocal

#!/bin/sh

. /etc/rc.conf

## External target IPv4 host address, *not* a DNS name
TARGET_HOST="${IPCSOLUTIONS_TARGET_HOST:-8.8.4.4}"

## Approximate max seconds to delay
MAX_DELAY=120

echo -n "Probing external host '$TARGET_HOST' "

finish_msg=" failed."

cnt=$MAX_DELAY
while [ $cnt -gt 0 ]; do
  fping -c 2 -t 1000 -p 1000 $TARGET_HOST >/dev/null 2>&1
  rtn=$?

  ## Reachable
  if [ $rtn -eq 0 ]; then
    finish_msg=" reachable."
    break
  fi
  ## IP not found error
  if [ $rtn -eq 2 ]; then
    sleep 2
  fi
  echo -n "."
  cnt=$((cnt - 2))
done

echo "$finish_msg"

exit 0