Robustel R3000 NU - Manual (Page 66)

Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 65 / 110
Confidential
Server @ Open VPN
Item Description Default
Enable OpenVPN
Server
Tick to enable OpenVPN server tunnel. Disable
Tunnel name Name the OpenVPN server tunnel.
Tunnel_OpenVPN_
0
Listen IP
You can enter the IP address of Ethernet WAN or Ethernet LAN. Null
or 0.0.0.0 stands for using the active WAN link currently Ethernet
WAN.
0.0.0.0
Protocol
Select from “UDP” and “TCP Client” which depends on the
application.
UDP
Port Set the local listening port 1194
Interface
Select from “tun” and “tap” which are two different kinds of device
interface for OpenVPN.
The difference between a tun and tap device is this: a tun device is a
virtual IP point-to-point device and a tap device is a virtual Ethernet
tun