Netgear WNDR4000 User Manual - Page 78

Static Routes, Static Route Example

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N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual Static Routes Static routes provide additional routing information to your wireless router. Under normal circumstances, the wireless router has adequate routing information after it has been configured for Internet access, and you do not need to configure additional static routes. You configure static routes only for unusual cases such as multiple routers or multiple IP subnets located on your network. Static Route Example 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 router on your home network for connecting to the company where you are employed. This 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 router, two implicit static routes were created. A default route was created with your ISP as the wireless router, and a second static route was created to your local network for all 192.168.0.x addresses. With this configuration, if you attempt to access a device on the 134.177.0.0 network, your wireless 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 need to define a static route, telling your wireless router that 134.177.0.0 should be accessed through the ISDN router at 192.168.0.100. 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 is to be forwarded to the ISDN router at 192.168.0.100. • The value in the Metric field represents the number of routers between your network and the destination. This is a direct connection, so it can be set to the minimum value of 2. • The Private check box is selected only as a precautionary security measure in case RIP is activated. 78 | Chapter 7. Advanced Settings

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78
|
Chapter 7.
Advanced Settings
N750 Wireless Dual Band Gigabit Router WNDR4000 User Manual
Static Routes
Static routes provide additional routing information to your wireless router. Under normal
circumstances, the wireless router has adequate routing information after it has been
configured for Internet access, and you do not need to configure additional static routes. You
configure static routes only for unusual cases such as multiple routers or multiple IP subnets
located on your network.
Static Route Example
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 router on your home network for connecting to the company where
you are employed. This 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 router, two implicit static routes were created. A
default route was created with your ISP as the wireless router, and a second static route was
created to your local network for all 192.168.0.x addresses. With this configuration, if you
attempt to access a device on the 134.177.0.0 network, your wireless 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 need to define a static route,
telling your wireless router that 134.177.0.0
should be accessed through the ISDN router
at 192.168.0.100
.
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 is to be
forwarded to the ISDN router at
192.168.0.100.
•
The value in the Metric field represents
the number of routers between your
network and the destination. This is a direct connection, so it can be set to the minimum
value of 2.
•
The Private check box is selected only as a precautionary security measure in case RIP
is activated.