#GRE-Tunnel zu fff-gw-sw
#
#Dennis Eisold (de@itstall.de)
#
#fff-gw-sw
#       öffentlich:	173.212.207.163
#       freifunk:	10.50.252.3
#fff-ab-01
#       öffentlich:	5.189.177.88
#       freifunk:	10.50.252.161

auto fff-gw-sw
iface fff-gw-sw inet static
	address 10.50.252.161
	pre-up iptunnel add $IFACE mode gre remote 173.212.207.163  local 5.189.177.88 ttl 255
	up ifconfig $IFACE multicast
	pointopoint 10.50.252.3
	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
	post-up ip -6 addr flush dev $IFACE
	post-up ip -6 addr add fe80::1983:1:5/64 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