Netopia R6100 Reference Manual page 310

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 R6000 Series B
connects to Netopia R6000 Series A and is provided Internet access through Routers A and B.