NetModule NB3710 User Manual page 93

If the tunnel is operated in client mode, the following settings can be applied:
Parameter
Peer selection
Server
Port
The following settings can be used to configure a tunnel:
Parameter
Interface type
Protocol
Network mode
MTU
Encryption
Digest
Authentication can be done in the following ways:
Parameter
certificate-based
credential-based
both
none
The following further options can be applied:
NB3710 User Manual 4.0
OpenVPN Client Configuration
Specifies how the remote peer shall be selected, besides a
single server you may configure multiple servers which can,
in case of failures, either be selected sequently (i.e. failover)
or randomly (i.e. load balancing)
The address or hostname of the remote server
The port of the remote server (1194 by default)
OpenVPN Configuration
The device type for this tunnel which can be either TUN
(typically used for routed connections) or TAP (required for
bridged networks)
The tunnel protocol to be used for the transport connection
Defines how the packets should be forwarded, which can be
either routed or bridged from/to a particular LAN interface.
If required, you can also specify the maximum transfer unit
for the tunnel interface.
The Maximum Transmission Unit of the tunnel interface
The required cipher mechanism used for encryption
The digest algorithm used for authenticating
OpenVPN Authentication
Certificates and keys for authenticating the tunnel. Please
take care that the proper keys/certificates have been either
uploaded or generated (see 5.8.8).
Username and password are used for authentication.
Verifying the tunnel uses certificates and credentials.
Tunnel is not authenticated (discouraged)