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--- route_traffic_across_two_interfaces [2013/07/07 20:36] – deftesprit
+++ route_traffic_across_two_interfaces [2013/07/07 20:39] (current) – deftesprit
@@ Line 1: / Line 1: @@
+====== Route traffic across two interfaces ======
+  * eth0 is the WAN
+  * eth1 is the LAN
 First, turn on ip forwarding:\\
 ''echo 1 > /proc/sys/net/ipv4/ip_forward''
 Next create iptables rules:\\
-''/sbin/iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
+''/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
-/sbin/iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
+/sbin/iptables -A FORWARD -i eth0 -o eth1 -m state --state RELATED,ESTABLISHED -j ACCEPT
-/sbin/iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT''
+/sbin/iptables -A FORWARD -i eth1 -o eth0 -j ACCEPT''

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