DVRSystems 2U Series, Руководство пользователя, Страница: 80 / 174

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The UPNP protocol is to establish a mapping relationship between the LAN and the WAN.
Please input the router IP address in the LAN in Figure 5-9. Double click the UPNP item in Figure
5-9, you can see the following interface. See Figure 5-16.
z UPNP on/off
：
Turn on or off the UPNP function of the device.
z Status: When the UPNP is offline, it shows as “Unknown”. When the UPNP works it shows
“Success”
z Router LAN IP: It is the router IP in the LAN.
z WAN IP: It is the router IP in the WAN.
z Port Mapping list
：
The port mapping list here is the one to one relationship with the router’s
port mapping setting.
z Enable Switch :
：
It shows that the function of port mapping is enabled in this port.
z List
：
— Service name
：
Defined by user.
— Protocol
：
Protocol type
— Internal port ： Port that has been mapped in the router.
— External port
：
Port that has been mapped locally.
z Default: UPNP default port setting is the HTTP, TCP and UDP of the DVR.
z Add to the list: Click it to add the mapping relationship.
z Delete: Click it to remove one mapping item.
Double click one item; you can change the corresponding mapping information. See Figure 5-17.
Important:
When you are setting the router external port, please use 1024~5000 port. Do not use well-
known port 1~255 and the system port 256~1023 to avoid conflict.
For the TCP and UDP, please make sure the internal port and external port are the same to
guarantee the proper data transmission.
Figure 5-16