Netgear DGND3700v2 [English]: DGND3700v2 User Manual(PDF) - Page 111

Static Routes, In this case you have to define a static route, telling your wireless modem router

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N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2 Static Routes Static routes provide additional routing information to your wireless modem router. Under usual circumstances, the wireless modem router has adequate routing information after it has been configured for Internet access, and you do not need to configure additional static routes. You have to configure static routes only for unusual cases such as multiple wireless modem routers or multiple IP subnets located on your network. As an example of when a static route is needed, consider the following case: • Your primary Internet access is through a cable modem to an ISP. • You have an ISDN wireless modem router on your home network for connecting to the company where you are employed. This wireless modem router's address on your LAN is 192.168.1.100. • Your company's network address is 134.177.0.0. When you first configured your wireless modem router, two implicit static routes were created. A default route was created with your ISP as the gateway, and a second static route was created to your local network for all 192.168.1.x addresses. With this configuration, if you attempt to access a device on the 134.177.0.0 network, your wireless modem router forwards your request to the ISP. The ISP forwards your request to the company where you are employed, and the request is likely to be denied by the company's firewall. In this case you have to define a static route, telling your wireless modem router that 134.177.0.0 should be accessed through the ISDN wireless modem router at 192.168.1.100. In this example: • The Destination IP Address and IP Subnet Mask fields specify that this static route applies to all 134.177.x.x addresses. • The Gateway IP Address field specifies that all traffic for these addresses should be forwarded to the ISDN wireless modem router at 192.168.1.100. • A metric value of 1 will work since the ISDN wireless modem router is on the LAN. • Private is selected only as a precautionary security measure in case RIP is activated. Advanced Settings 111

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Advanced Settings
111
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700v2
Static Routes
Static routes provide additional routing information to your wireless modem router. Under
usual circumstances, the wireless modem router has adequate routing information after it has
been configured for Internet access, and you do not need to configure additional static
routes. You have to configure static routes only for unusual cases such as multiple wireless
modem routers or multiple IP subnets located on your network.
As an example of when a static route is needed, consider the following case:
•
Your primary Internet access is through a cable modem to an ISP.
•
You have an ISDN wireless modem router on your home network for connecting to the
company where you are employed. This wireless modem router’s address on your LAN is
192.168.1.100.
•
Your company’s network address is 134.177.0.0.
When you first configured your wireless modem router, two implicit static routes were
created. A default route was created with your ISP as the gateway, and a second static route
was created to your local network for all 192.168.1.x addresses. With this configuration, if
you attempt to access a device on the 134.177.0.0 network, your wireless modem router
forwards your request to the ISP. The ISP forwards your request to the company where you
are employed, and the request is likely to be denied by the company’s firewall.
In this case you have to define a static route, telling your wireless modem router that
134.177.0.0 should be accessed through the ISDN wireless modem router at 192.168.1.100.
In this example:
•
The Destination IP Address and IP Subnet Mask fields specify that this static route
applies to all 134.177.x.x addresses.
•
The Gateway IP Address field specifies that all traffic for these addresses should be
forwarded to the ISDN wireless modem router at 192.168.1.100.
•
A metric value of 1 will work since the ISDN wireless modem router is on the LAN.
•
Private is selected only as a precautionary security measure in case RIP is activated.