#GRE-Tunnel zu fff-has2
#
#Alexander Gutzeit (Plocker)
#alexander.gutzeit@googlemail.com
#fff-has2
#       öffentlich:     5.189.166.50
#       freifunk:       10.50.252.160
#fff-ab-01
#       öffentlich:     5.189.177.88
#       freifunk:       10.50.252.161

auto fff-has2
iface fff-has2 inet static
address 10.50.252.161
	pre-up iptunnel add $IFACE mode gre local 5.189.177.88 remote 5.189.166.50 ttl 225
	up ifconfig $IFACE multicast
	pointopoint 10.50.252.160
	post-up iptables -t mangle -A POSTROUTING -p tcp --tcp-flags SYN,RST SYN -o $IFACE -j TCPMSS --clamp-mss-to-pmtu
	post-up ip rule add iif $IFACE table fff
	post-up ip rule add from 10.50.0.0/16 table fff
	post-up ip rule add to 10.50.0.0/16 table fff
	#Babel über GRE
	post-up ip -6 addr flush dev $IFACE
	post-up ip -6 addr add fe80::1983/64 dev $IFACE

	post-down ip rule del iif $IFACE table fff
	post-down ip rule del from 10.50.0.0/16 table fff
	post-down ip rule del to 10.50.0.0/16 table fff
	post-down iptables -t mangle -D POSTROUTING -p tcp --tcp-flags SYN,RST SYN -o $IFACE -j TCPMSS --clamp-mss-to-pmtu
	post-down iptunnel del $IFACE