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Chapter 2: Networking
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• IP Stack 4 - for use by you to remotely (i.e. from somewhere on the WAN side, such as at your
remote workplace) communicate with the Cable Modem and Networking sections, to
remotely access the internal web page diagnostics and configuration. This stack is also used
by your cable company to deliver packets between the Internet and the Wireless Cable
Gateway’s Networking section so they can be routed to/from your PCs. This stack requires an
IP address assigned by the cable company from their pool of available addresses. Your cable
company may have you or your installer manually enter these assigned addresses into your
gateway, or use a DHCP Server to communicate them, or use a method that involves you
entering host names. This stack uses a MAC address of MAC label + 3 (the MAC label is found
on the bottom of the unit). E.g., if the MAC address is 00:90:64:12:B1:91, this MAC address
would be 00:90: 64:12:B1:94.
• IP Stack 5 - for use by you to locally (i.e. from somewhere on the LAN side in your home)
communicate with the Cable Modem and Networking sections, to access the internal web
page diagnostics and configuration. This stack is also used by the Wireless Cable Gateway
Networking section to route packets between the Wireless Cable Gateway’s Networking
section and your PCs. This stack uses a fixed IP address: 192.168.0.1. It uses a MAC address
of MAC label+ 4 (the MAC label is found on the bottom of the unit). E.g., if the MAC address is
00:90:64:12:B1:91, this MAC address would be 00:90:64:12:B1:95.
With CH Mode, your cable company must provide one IP address for the CM section, plus two for
the Networking section, from their pool of available addresses. Each PC you connect gets an IP
address from a DHCP Server that is part of the Networking section of the gateway.
USB MAC Address
USB allows a single PC to be connected directly via your Wireless Cable Gateway USB port. Other
PCs can, of course, be connected to your other networking interfaces: wireless, HPNA, and
Ethernet. If you have a PC connected by USB, the following information is helpful.
The PCs you have connected by 802.11b/g Wireless, and Ethernet technologies associated with
your gateway all send and receive packets that contain the Ethernet-style MAC address
associated with that network interface. USB technology, however, uses a different addressing
approach. In this situation, your gateway modi es the packets going to and from your