diff --git a/udp2raw-openvpn-config-guide.md b/udp2raw-openvpn-config-guide.md
index e9fba29..bbd38a9 100644
--- a/udp2raw-openvpn-config-guide.md
+++ b/udp2raw-openvpn-config-guide.md
@@ -93,8 +93,23 @@ rcvbuf 2000000      ##### important
 txqueuelen 4000     ##### suggested
 ```
 
-# to redirect all traffic through udp2raw+openvpn
+# Addtional steps to transparently redirect traffic
 
-check this article, its essentially same:
+#### at server side
+run:
+```
+#enable ip forward:
+echo 1 >/proc/sys/net/ipv4/ip_forward
 
-https://github.com/wangyu-/UDPspeeder/wiki/UDPspeeder-openvpn-config-guide
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+#setup SNAT rule:
+iptables -t nat -A POSTROUTING -s 10.222.0.0/16 ! -d 10.222.0.0/16 -j MASQUERADE
+```
+
+#### at client side
+
+add following line to the end of you OpenVPN config:
+
+```
+redirect-gateway def1
+route 44.55.66.77 255.255.255.255 net_gateway    # change 44.55.66.77 to your server ip
+```
\ No newline at end of file