DVR systems DVRxx04HF-A Series - Manual (Page 88)

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Figure 5-15
Please note NNDS type includes: CN99 DDNS、NO-IP DDNS、Private DDNS、Dyndns DDNS
and sysdns DDNS. All the DDNS can be valid at the same time, you can select as you
requirement.
Private DDNS function shall work with special DDNS server and special Professional
Surveillance Software (PSS).
5.3.5.7 UPNP
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.