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Lesson 5 Configuring Windows for the Internet
Objective Describe how to configure a Windows based computer to access the Internet.

Configuring Windows for the Internet

To configure TCP/IP on a Windows based computer, first make sure TCP/IP is actually installed on your client. Do this by opening the Control Panel folder, then select Network. The Network dialog box appears:
Windows Network Dialog Box
Windows Network Dialog Box

In the Network dialog box, scroll down to TCP/IP then click the Properties button. The table below lists the options that appear. A subnet mask, gateway, and DNS must be entered before your client can use TCP/IP. Contact your system administrator or your ISP for the information you need.
Setting Description
WINS Configuration
  1. Disable or enable WINS resolution, or choose DHCP (Dynamic Host Configuration Protocol) or WINS resolution
  2. Specific to networks
IP Address
  1. Identifies your computer to the network
  2. Allows you to assign an address or accept automatic assignment
DNS Configuration Allows you to configure a DNS (domain name server)
Gateway
  1. Gateway address for each machine on the network
  2. Primary address or router (gateway)
Net Bios Allows you to run NetBios applications over the TCP/IP Protocol
Bindings Checklist of network components that will communicate using TCP/IP
Advanced Settings Allows you to add settings and values to TCP/IP
In the next lesson, you will learn how to configure hosts files.


Configuring Windows for TCP/IP

  1. Select Start>Control Panel>Network. Scroll down the list to find TCP/IP. If it is listed, you are ready to enter configuration information. If TCP/IP is not listed, then click the Add button. Do that now.
  2. The Select Network Component Type dialog box appears. Protocol has been selected for you. Click the Add button to move to the next step.
  3. The Select Network Protocol dialog box appears. Microsoft has been selected from the Manufacturers list. TCP/IP has been selected from the Network Protocols list on the right. This completes the Simulation.


The role of a network protocol suite
Figure 2.5 The role of a network protocol suite.

The protocols of TCP/IP define the network communication process and, more importantly, define how a unit of data should look and what information it should contain so that a receiving computer can interpret the message correctly. TCP/IP and its related protocols form a complete system defining how data should be processed, transmitted, and received on a TCP/IP network. A system of related protocols, such as the TCP/IP protocols, is called a protocol suite. The actual act of formatting and processing TCP/IP transmissions is performed by a software component known as the vendor’s implementation of TCP/IP. For instance, a TCP/IP software component in Microsoft Windows enables Windows computers to process TCP/IP-formatted data and thus to participate in a TCP/IP network.

Tcpip.sys, contains both IPv4 and IPv6 Internet layers

The TCP/IP driver file, Tcpip.sys, contains both IPv4 and IPv6 Internet layers. Tcpip.sys operates between Windows Sockets and the Network Device Interface Specification (NDIS) layers in the Windows network architecture. The architecture of Tcpip.sys consists of the following layers:
  1. Transport layer Contains the implementations of TCP and UDP.
  2. Network layer Contains implementations of both IPv4 and IPv6.
  3. Framing layer Contains modules that frame IPv4 or IPv6 packets. Modules exist for IEEE
802.3 (Ethernet), IEEE 802.11, Point-to-Point Protocol (PPP), and mobile broadband links. Modules also exist for logical interfaces such as the loopback interface and IPv4-based tunnels. IPv4-based tunnels are commonly used for IPv6 transition technologies. The IPv4 Internet layer appears as the Internet Protocol Version 4 (TCP/IPv4) component in the list of protocols from the properties of a local area network (LAN) connection in the Network Connections folder. The IPv6 Internet layer appears as the Internet Protocol Version 6 (TCP/IPv6) component.

Configuring Windows - Exercise

Click the exercise link below to put to the test what you have learned about concepts related to desktop configuration.
Configuring Windows - Exercise

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