UC-7400-LX Plus User’s Manual
Managing Communications
4-25
2.
On machine OpenVPN A, modify the remote address in the configuration file,
/etc/openvpn/tun.conf
.
# 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/tun.sh
Then modify the routing table in
/etc/openvpn/tun.sh
script file.
#----------------------------------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 ------------------------------
On machine OpenVPN B, modify the remote address in the configuration file,
/etc/openvpn/tun.conf.
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/tun.sh
Then modify the routing table in
/etc/openvpn/tun.sh
script file.
#----------------------------------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 ------------------------------
NOTE
The parameter
ifconfig
defines the first argument as the local internal interface and the second
argument as the internal interface at the remote peer.
NOTE
$5
is the argument that the OpenVPN program passes to the script file. Its value is the second
argument of ifconfig in the configuration file.