Network Router User Manual

Node Node
WAN
Internet
Network
Managment
LON/IP Router
Private Static IP Address
NAT Port Mapped
LAN to WAN Router
Static or Dynamic
Public IP Address
NAT Port Map
DDNS Client
Node Node
WAN
DSL/Cable Modem
10/100 Ethernet LAN
LON
Network
LON
Network
10/100 Ethernet LAN
Fig.3.6: NAT LAN to WAN Architecture
• Setup the IP parameters for the GRouter as per the Manual Mode or Normal Mode
instructions above.
• Congure the NAT router to port map the 852 port. If you need to access the GRouter web
interface from the WAN side then you must also set up and port map the http web server port
for the GRouter device.
• Enter the static WAN IP address of the NAT router into the NAT Router WAN Address eld
on the GRouter device’s Router Setup Page.
• Select the radio button to enable NAT support. Click Submit Changes.
• Continue conguring the GG in either Manual or Normal mode as described in previous
sections.
3.6. DDNS Router Example
e DDNS support mode enables a GRouter device to operate on the LAN side of the NAT
(Network Address Translation) router that is also a DDNS client. Routers of this type may have
dynamic IP addresses. Please refer to the gure above for an example of this architecture. is
section contains step-by-step instructions on how to set up a GRouter device for operation on the
LAN side of a NAT-DDNS router.
• Follow the instructions in the previous section for setting up NAT support with the exception
that the GRouter device must be in manual mode and the NAT WAN address of the NAT-
DDNS router does not have to be entered.
• On the DDNS Setup Page, set the DDNS Name of the NAT router, the DDNS Refresh Time, the
DNS Server Names, and Enable DDNS. Click the Submit Changes button. If you do not have a
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