Netopia 3300-ENT User Manual

Below is a diagram of a simple network configuration. The ISP is providing a Class C address to the customer 
site, and both networks A and B want to gain Internet access through this address. Router B connects to Router 
A and is provided Internet access through Routers A and B.

 Router A:

IP Address: 10.0.0.1

Subnet Mask: 
255.255.255.0

Router B:

IP Address: 192.168.1.1

Subnet Mask: 255.255.255.128

Remote IP: 10.0.0.1

Remote Sub: 255.255.255.0

Gateway: 10.0.0.1

Static Route: 
192.168.1.128 [network]
255.255.255.128 [mask]
192.168.1.2 [via gateway]

Usable IP Addresses available to 
Customer Site A: 192.168.1.1 --> 
192.168.1.126 

Router A:

IP Address: 192.168.1.2

Subnet Mask: 
255.255.255.128

Remote IP: 192.168.1.129

Remote Sub: 
255.255.255.128

Gateway: 192.168.1.1

Usable IP Addresses 
available to Customer Site A: 
192.168.1.1 --> 
192.168.1.126

PC 1:

IP Address: 
192.168.1.3

Subnet Mask: 
255.255.255.128

Gateway: 192.168.1.1 

PC 2:

IP Address: 
192.168.1.130

Subnet Mask: 
255.255.255.128

Gateway: 
192.168.1.129

Router B:

IP Address: 192.168.1.129

Subnet Mask: 255.255.255.128

Remote IP: 192.168.1.2

Remote Sub: 255.255.255.128

Gateway: 192.168.1.2

Usable IP Addresses available to 
Customer Site B: 192.168.1.129
--> 192.168.1.254