
Hardware Manual for the Model CG814WG Wireless Cable Modem Gateway
192.168.0.2
192.168.0.3
192.168.0.4
192.168.0.5
Private IP addresses assigned by user
IP addresses assigned by ISP
192.168.0.1172.21.15.105
Internet
Figure D-3: Single IP Address Operation Using NAT
This scheme offers the additional benefit of
MAC Addresses and Address Resolution Protocol
An IP address alone cannot be used to deliver data from one LAN device to another. To send data between LAN devices, you must convert the IP address of the destination device to its media access control (MAC) address. Each device on an Ethernet network has a unique MAC address, which is a
Networks, Routing, and Firewall Basics |