diff --git a/Setup-Computer-IOC-Server.md b/Setup-Computer-IOC-Server.md
index 5973303..b2d63e3 100644
--- a/Setup-Computer-IOC-Server.md
+++ b/Setup-Computer-IOC-Server.md
@@ -65,8 +65,14 @@ sudo mkdir /export/sls/ifc-exchange
 /home/control/work/stxm/IOCServer/sync_scripts/sync_eldk
 
 ```
+- prepare NAT routing
+```
+#add to /etc/sysctl.d/99-sysctl.conf
+net.ipv4.ip_forward=1
+```
 
--add NAT routing
+
+- add NAT routing
 ```
 sudo iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o eno1 -j MASQUERADE
 sudo iptables-save > /etc/iptables/rules.v4
@@ -74,11 +80,6 @@ sudo iptables-save > /etc/iptables/rules.v4
 
 ```
 
-add 
-```
-net.ipv4.ip_forward=1
-```
-to /etc/sysctl.d/99-sysctl.conf
 
 - copy server config files
 ```