Moxa Technologies 331 User Manual download pdf (Page 57)

Moxa C Programmable RTU Controllers Managing Communications

4-23

Setup 3: Routed IP

1. Set up four machines as shown in the following diagram:

2. Create a configuration file named “A-tun.conf” and an executable script file named “A-tun. sh”.

# point to the peer

remote 192.168.8.174

dev tun

secret /etc/openvpn/secrouter.key

cipher DES-EDE3-CBC

auth MD5

tun-mtu 1500

tun-mtu-extra 64

ping 40

ifconfig 192.168.2.173 192.168.4.174

up /etc/openvpn/A-tun.sh

#----------------------------------Start------------------------------

#!/bin/sh

# value after “-net” is the subnet behind the remote peer

route add -net 192.168.4.0 netmask 255.255.255.0 gw $5

#---------------------------------- end ------------------------------

Create a configuration file named B-tun.conf and an executable script file named B-tun.sh on OpenVPN B:

remote 192.168.8.173

dev tun

secret /etc/openvpn/secrouter.key

cipher DES-EDE3-CBC

auth MD5

tun-mtu 1500

tun-mtu-extra 64

ping 40

ifconfig 192.168.4.174 192.168.2.173

up /etc/openvpn/B-tun.sh

#----------------------------------Start------------------------------

#!/bin/sh

# value after “-net” is the subnet behind the remote peer

route add -net 192.168.2.0 netmask 255.255.255.0 gw $5

#---------------------------------- end ------------------------------

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Moxa Technologies 331 User Manual Page 57