B-4 User’s Reference Guide
Network configuration
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. Netopia R7200 B connects to Netopia R7200 A and is provided Internet access through Routers A and B.
Customer Site A
PC 1:
IP Address: 192.168.1.3
Subnet Mask: 255.255.255.128
Gateway: 192.168.1.1
ISP Network
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 router]
Usable IP Addresses available to Customer Site A: 192.168.1.1
LAN
Netopia R7200 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 avail- able to Customer Site A: 192.168.1.1
Customer Site B
Internet
PC 2:
IP Address: 192.168.1.130
Subnet Mask: 255.255.255.128
Gateway:
192.168.1.129
Netopia R7200 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
LAN
