User's Manual

GVR3550/GVR3552 User Manual Page 73 of 125
Select the proper DDNS type (the Beta version only supports ipkan) in the drop-down list and input the
correct domain name, username and password to complete the DDNS settings.
In order to access GVR via internet, you also need to enable UPnP and set port. If the DDNS type you select
is ipkan, go to www.ipkan.com.cn to register username and password. Upon successful registration you can
fill in the username and password on DDNS Settings interface.
ENABLE UPnP
The full name of UPnP is Universal plug-in and Play, enable NAT of UPnP to realize auto port mapping thus
allows external computer to access intranet to enhance network efficiency.
After checking "Enable UPnP", users can click to set external port, as shown in figure 54.
Figure 54 Specify UPnP External Port Page
When the port status displays "Active", it indicates the successful connection of the GVR and the router, the
parameters have taken effect.
NOTE:
Ø The port sequence should correspond to the router list.
ENABLE DHCP SERVER
GVR3550/GVR3552 could allocate dynamic IP address to other devices within the same LAN. Follow the
procedures below to set:
1. Check "Enable DHCP Server";
2. Input the assignable IP address.
3. Input Lease Time;
4. Set DNS server address and the secondary DNS server address.