User Manual of Network Video Recorder
64
9.8 NAT Settings
Purpose:
Two ways are provided for port mapping to realize the remote access via the cross-segment network, UPnP™ and
manual mapping.
9.8.1 UPnP
TM
UPnP™ can permit the device seamlessly discover the presence of other network devices on the network and
establish functional network services for data sharing, communications, etc. If you want to use the UPnP™
function to enable the fast connection of the device to the WAN via a router, you should configure the UPnP™
parameters of the device.
Before you start:
To enable the UPnP™ function of the device, you must enable the UPnP™ function of the router to which your
device is connected. When the network working mode of the device is set as multi-address, the default route
address of the device should be in the same network segment as that of the LAN IP address of the router.
Steps:
1. Enter the NAT Settings interface.
Configuration> Remote Configuration> Network Settings> NAT
Figure 9. 11 UPnP™ Settings Interface
2. Check the checkbox to enable UPnP™.
3. Select the Port Mapping Mode in the drop-down list, as Manual and Auto are selectable.
Task1: Auto
If you select Auto, the Port Mapping items are read-only, and the external ports are set by the router
automatically.
Task2: Manual
If you select Manual as the mapping mode, you can edit the external port on your demand.
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