#GRE-Tunnel zu fff-wue1
#
#[Michael Mifritscher (mifritscher)]
#freifunk@mifritscher.de
#fff-wue1
#	öffentlich:	188.40.170.116
#	freifunk:	10.50.252.164 
#fff-ab-01
#	öffentlich:	5.189.177.88
#	freifunk:	10.50.252.165

auto fff-wue1
iface fff-wue1 inet static
address 10.50.252.165
	pre-up iptunnel add $IFACE mode gre local 5.189.177.88 remote 188.40.170.116 ttl 225
	up ifconfig $IFACE multicast
	pointopoint 10.50.252.164
	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::1982/64 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