#!/bin/sh
#
# Solaris Kernel Parameters
#
# by Jinho Hwangbo(truefeel@coffeenix.net, ¸ÞÀÏÁÖ¼Ò´Â 2003.9.4 º¯°æÇÔ)
#
# 2001.4.18

case "$1" in
  'start')
	# IP forwardingÀ» ÇÏÁö ¾ÊÀ½
	ndd -set /dev/ip ip_forwarding 0
	ndd -set /dev/ip ip_strict_dst_multihoming 0
	ndd -set /dev/ip ip_forward_directed_broadcasts 0
	ndd -set /dev/ip ip_forward_src_routed 0

	# echo request Broadcast ÇÎ ÀÀ´ä ¹«½Ã
	ndd -set /dev/ip ip_respond_to_echo_broadcast 0

	# TCP parameter
	ndd -set /dev/tcp tcp_ip_abort_cinterval 60000
	ndd -set /dev/tcp tcp_conn_req_max_q0 2048
	ndd -set /dev/tcp tcp_conn_req_max_q 512
	;;
  'stop')
	# IP parameter
	ndd -set /dev/ip ip_forwarding 0
	ndd -set /dev/ip ip_strict_dst_multihoming 0
	ndd -set /dev/ip ip_forward_directed_broadcasts 1
	ndd -set /dev/ip ip_forward_src_routed 1

	# echo request Broadcast ÇÎ ÀÀ´ä
	ndd -set /dev/ip ip_respond_to_echo_broadcast 1

	# TCP parameter
	ndd -set /dev/tcp tcp_ip_abort_cinterval 180000
	ndd -set /dev/tcp tcp_conn_req_max_q0 1024
	ndd -set /dev/tcp tcp_conn_req_max_q 128
	;;
  'status')
	# IP parameter
	echo "ip_forwarding : `ndd /dev/ip ip_forwarding`"
	echo "ip_strict_dst_multihoming : `ndd /dev/ip ip_strict_dst_multihoming`"
	echo "ip_forward_directed_broadcasts : `ndd /dev/ip ip_forward_directed_broadcasts`"
	echo "ip_forward_src_routed : `ndd /dev/ip ip_forward_src_routed`"

	echo "arp_cleanup_interval : `ndd /dev/arp arp_cleanup_interval`"
	echo "tcp_ip_abort_cinterval : `ndd /dev/tcp tcp_ip_abort_cinterval`"

	# echo request Broadcast
	echo "ip_respond_to_echo_broadcast : `ndd /dev/ip ip_respond_to_echo_broadcast`"

	# TCP parameter
	echo "tcp_conn_req_max_q0 : `ndd /dev/tcp tcp_conn_req_max_q0`"
	echo "tcp_conn_req_max_q : `ndd /dev/tcp tcp_conn_req_max_q`"
	;;
  *)
	echo "usage: $0 {start|stop|status}"
	exit 1
	;;
esac

exit 0