43
Notes:
• The port forwarding function changes a global IP address to a private IP address, and "Static IP masquerade"
and "Network Address Translation (NAT)" have this function. This function is to be set in a router.
• To access the camera via the Internet by connecting the camera to a broadband router, it is necessary to assign
a respective port number for each camera and address translation by using the port forwarding function. For fur-
ther information, refer to the operating instructions of the broadband router in use.
Configure the settings relating to DDNS [DDNS]
Click the [DDNS] tab on the "Network setup" page. (
☞
page 41)
The settings relating to DDNS can be configured on this page.
When accessing the camera via the Internet from the network environment of which the global IP address is
obtained using DHCP, the DDNS function is necessary.
When using the DDNS function, it is possible to access with "Host name registered in the DDNS server.nmdns.net".
To use the DDNS function, it is necessary to connect to the dedicated DDNS server. Refer to the web site for further
information about the DDNS.
It is necessary to configure the host name, user name and password registered in the DDNS server.
[DDNS]
Select "ON" or "OFF" to determine whether or not to use
the DDNS function.
Default:
OFF
[Host name]
Enter the host name to be used.
Number of characters for the host name:
1 - 64 char-
acters
Enter [Global IP a :
(colon) + port number] in the
"Address" box of the browser
via the Internet.
Global address
for the WAN
vvv.xxx.yyy.zzz
Private address
for the LAN
192.168.0.254
vvv.xxx.yyy.zzz:82
vvv.xxx.yyy.zzz:81
Broadband router
Internet
(WAN)
Cable modem
xDSL modem
Address translation using the port
forwarding function
vvv.xxx.yyy.zzz:82
→
192.168.0.2:82
Address translation using the port
forwarding function
vvv.xxx.yyy.zzz:81
→
192.168.0.1:81
Private address
192.168.0.2
Port number: 82
Private address
192.168.0.1
Port number: 81
