IC Realtime Flex Series: 64 Channel 2CIF 3U Standalone DVR - Manual (Page 82)

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Figure 5-16
Please note NNDS type includes: CN99 DDNS, NO-IP DDNS, Private DDNS and Dyndns 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 5-17. Double click the UPNP item in
Figure 5-10, you can see the following interface. See Figure 5-17.
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.