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M2M Cellular Gateway
Encryption Cipher
Hash Algorithm
Scenario Operation Procedure
In above diagram, Network‐A is in the headquarters, and the subnet of its Intranet is
10.0.76.0/24. The security gateway for Network‐A has the IP address of 10.0.76.2 for
LAN interface and 203.95.80.22 for WAN interface. It serves as an OpenVPN server.
However, Network‐B is in the mobile office and the subnet of its Intranet is
10.0.75.0/24. The security gateway for Network‐B has the IP address of 192.168.1.253
for LAN interface and 118.18.81.33 for WAN interface. It serves as an OpenVPN client.
The OpenVPN client dials in the OpenVPN server at HQ for establishing an OpenVPN
tunnel. So hosts in Network‐B can access hosts or servers in Network‐A. But can't access
from Network‐A to Network‐B.
However, if the "Default Gateway/Remote Subnet" parameter in the Security Gateway
2 is configured to "Default Gateway", the Internet accessing of OpenVPN Client peer
also go through the established OpenVPN VPN tunnel, and the Security Gateway 1 can
control the accessing as same as the HQ resource accessing.
Open VPN Setting
T he configuration setting allows user to use OpenVPN.
Ensure VPN is enabled and saved
Go to Advanced Network > VPN > Configuration Tab
Enable OpenVPN and select which server or client you want
Item
Value setting
The box is unchecked by
OpenVPN
default
Server Configuration is
Server/
set by default
Client
Index skipping is used to reserve slots for new function insertion, when required.
Blowfish
SHA‐1
Description
Check the Enable box to activate this OpenVPN function.
When Server Configuration is selected, as the name suggest, server configuration
will be display below, with Client Configuration, you can specifically set client
configuration.
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