Overview of Client Configuration By Nanda Ganesan, Ph.D. © Nanda Ganesan

Chapter Objectives Describe the basics of client configuration Present examples of advanced features for NICs such as installing additional cards Explain the addition of other protocols such as IPX/SPX etc. Outline a few network services that could be configured Discuss the logon and security options when configuring a client

Chapter Modules Client configuration Basics Some LAN Protocols TCP/IP Installation and Configuration Other Network Services Logon and Security Options and Summary

MODULE 1 Client Configuration Basics

Client Configuration Overview Client configuration is a two step process Step 1: Facilitate general network address –Internet access Step 2: Facilitate specific network access –Microsoft or other network access

Step 1: General Network Access Install NIC, drivers, TCP/IP etc. Test for access Access the Internet

Step 2: Specific Network Access Give the computer a name Enter the computer in a domain or a workgroup –Domain name applies to client server networks –Workgroup name applies to peer-to-peer networks Access one or more specific networks

Components to be Configured Step 1: General network access –NIC –Client for a particular network –Protocol –Services Step 2: Specific network access –Computer ID –Define Workgroup or Domain

Components to be Configure for General Access NIC –Driver is properly installed Protocol and properties –TCP/IP and its properties Client for a Network –Microsoft or Novell for example Network services –File and print sharing, if desired

End of Module

Module NIC Configuration

Install the adapter When an OS such as Windows XP is installed the NIC will automatically be installed Install the latest driver for the adapter –The latest driver for a particular operating system is usually obtained from the NIC manufacturers website

NIC Functioning Check for proper functioning of the NIC by going through the device manager –There should not be a yellow exclamation mark next to the NIC Most problems can be solved by installing the correct driver Driver installation could be done by invoking an installation wizard

Checking for Functioning of NIC Go through the device manager to check for proper functioning of the NIC

Correcting Problems In the previous slide there was no yellow exclamation mark against the NIC –Therefore, the NIC is properly functioning If there was a yellow exclamation mark, then, in most instances, then the NIC is not functioning properly –Most problems could be solved by installing the correct driver or updating the driver for NIC

Installing or Updating the Driver There are different ways of accessing the properties of the NIC to update the driver –One is to access the properties from the device manger listed in the Computer Management Console that was shown before –The other is to access the properties from either the control panel or from the network neighborhood icon Updating will be discussed under a different module

Multiple Adapter In general, there would be only one NIC in the computer It is also possible to have multiple adapters in a computer –A protocol can be bound to each adapter –The protocol could be different in each case

Reasons for Multiple Adapters Use the computer as a router Host multiple virtual websites on a single server with each IP address assigned to each NIC being referenced by a particular domain name To support fail-safe operation where when one NIC fails, the other will continue to operate

A Multiple Adapter Application Scenario Network 1 NIC 1 NIC 2 Network 2 Multi-homed Computer

End of Module

Module NIC Properties

Accessing NIC Properties From CMC (Computer Management Console) From Network Neighborhood From Control Panel

Accessing NIC Properties from CMC Accessing the CMC was shown in a previous module The following slides outline the rest of the procedure

Accessing the NIC Properties from Network Neighborhood The steps are shown in the following slides

NIC Properties General Advanced Driver –Accessed and used for updating the driver Resources Power Management

Updating the Driver Access the driver tab Start the update wizard and follow the steps In the following example, a driver that has already been downloaded and stored in a local folder named H:\Internet Download\NIC Driver is used for updating

Updating Complete There was no yellow exclamation mark against the NIC in the CMC The installation is assumed to be correct

Other NIC Features General Advanced Resources Power Management

End of Module

Module A Preview of Major LAN Protocols

Major Protocols TCP/IP –De facto protocols of the Internet IPX/SPX –Used in Novell networks NetBEUI –A non routable local protocol

NetBEUI Supported by –Windows 9X, Windows NT, Windows 2000 and Windows XP Non-routable protocol used for setting a local LAN that does not require Internet access Can be used for an internal peer-to-peer or client-server network

IPX/SPX Compatible Protocol Used in Novell networks Required for interoperability of Windows network with Novell networks Routable protocol IPX/SPX can be used for peer-to-peer or client-server networking

TCP/IP An important protocol used widely on the Internet A routable protocol Supports communication with UNIX networks or any other network that work under the TCP/IP protocol –The base protocol in UNIX networks is TCP/IP Can be used for configuring peer-to-peer as well as client-server networks of very large scale

A TCP/IP Application Scenario Workstation The Internet Router Local Router Workstation Lab Configure the workstation for Internet access by Installing TCP/IP.

End of Module

Module Basic TCP/IP Installation and Configuration

TCP/IP Installation and Configuration A two-step process First, install the protocol –With many modern OSs such as Windows XP, it is automatically installed Second, configure its properties –When TCP/IP is automatically installed, the properties are set to be obtained from a DHCP server –However, it is also possible to manually set the properties

TCP/IP Installation Steps Choose Network/ Properties Install Protocol Choose TCP/IP Start End From Network Neighborhood/ Properties. Add OK TCP/IP protocol installed.

Accessing the Window for TCP/IP Properties Under different Windows operating systems the TCP/IP properties are accessed in different ways –The best and the most consistent way to access TCP/IP properties Windows is to go through the Control Panel and then select the Network Icon –Another way to access the properties is to go through Network Neighborhood –Thereafter, select the network properties (Based on the NIC) and then then continue to select the TCP/IP properties

Accessing TCP/IP Properties Tab Choose Network TCP/IP/ Properties Start From Network Neighborhood/ Properties. Define TCP/IP properties Proceed

TCP/IP Configuration Options Dynamic IP –A DHCP server must be present in the network to issue dynamic IP –In a number of cases, the MAC address of the client is registered to prevent unauthorized leasing of IP addresses to clients Static IP –Obtain the IP address specifications from the network administrator

DHCP and TCP/IP Configuration Without a DHCP server –Requires the static assignment of IP addresses and properties –The DHCP server need not reside on the same subnet With a DHCP server –IP addresses etc. are automatically assigned by the DHCP server –Select the appropriate option for the TCP/IP address to be dynamically assigned by the DHCP server

TCP/IP Properties Subnet Mask Gateway DNS Advanced TCP/IP Properties IP Address

Assignment of Properties for TCP/IP IP address Subnet mask Gateway address DNS address –Preferred –Alternate, if available

Alternate IP If the computer is used on another network as well, an alternate IP address may also be set –It can be a private IP address –Or, it could well be a static IP address that is manually set

IP Addresses for Restricted Internal LANs For an internal network, only the IP addresses and the subnet masks need to be assigned –Note that subnet mask is not an IP address Such networks will not have access to the outside world meaning that it would not have a connection to the Internet There are also some IP addresses reserved for internal use that are known as private addresses –An example is For internal access, private IP addresses should preferably be used

Facilitating External Access A gateway address is required to facilitate external address A gateway is generally a router that directs the traffic to the next segment of the network that would eventually be linked through a series of hops over network segment to its destination There can be more than one gateway present in a network meaning that multiple gateway addresses can be entered in the TCP/IP properties window

IP Address Assignment Summarized IP Address Obtain IP Address automatically Specify IP Address IP Address Subnet Mask DHCP Non-DHCP Gateway, DNS and WINS addresses

End of Module

Module Advanced TCP/IP Settings

Accessing Advanced Properties Advanced properties can be accessed from the tab marked advanced

Advanced Properties of TCP/IP IP settings DNS WINS Options –Security related

IP and Gateway Settings Multiple IP addresses for the same NIC Multiple gateways

DNS Multiple DNSs Search suffix order Registering current computer with the DNS server

WINS Setting multiple WINSs Add LMHOST lookup Set NetBIOS over TCP/IP to cater for older applications that rely on NetBIOS

More on WINS WINS Configuration –This can be configured if there is a WINS server on the network –The purpose of the WINS server is to resolve Windows client names into IP addresses –Windows names are not common in today’s environment as all computer names are based on TCP/IP

Options Set TCP/IP filtering by limiting access to certain ports for certain protocols

TCP/IP Implementation and Configuration End Result The workstation is ready for Internet access Tasks possible –Access Internet Note: The computer may have a name generated by the OS such as Windows XP

End of Module

Module Network Client

Network Components NIC drivers (covered in previous slides) –Load the correct drivers Protocol (covered in previous slides) –Install the TCP/IP protocol Client Services

Client Installation When TCP/IP is installed, the Client for Microsoft Networks is automatically installed In the following example, the Client for Novell Netware will be installed so that this computer may also access Novell networks

Installed Components The previous process will install the client service for Netware It will also install the required protocols to access Novell network –NWLink related protocols

Uninstalling Client Services The client services for Novell Netware can be uninstalled as well

End of Module

Module Network Services

Services There are many services that could be installed To share files and printers, the file and printer sharing service must be installed –An example will be presented later showing the installation of the file and printer sharing service

Some Examples of Services File and printer sharing –Microsoft networks Backup of data HP Laser Jet administration

Backup Data Install the Arcada Backup Agent, for example ClientBackup Tape

Network Printer Administration A network attached printer directly connected to a network can be administered from a client by installing the administration service on the client

Remote HP LaserJet Administration HP JetAdmin service installed. LaserJet connected directly to the network. Client StationHP LaserJet

Installing File and Printer Sharing Services In most cases, when a network is installed by the OS, file and printer sharing services are automatically installed If these services are not required, for security, they should be disabled The following example shows the installation of the said services based on the assumption that they were not installed

End of Module

Module More on File and Print Sharing

End of Module

Module Joining a Network

Logon Local use does not require the client to be connected to a network Network Access –Joint a Workgroup for peer-to-peer networking –Join a Domain for client-server networking Active Directory Non-Active Directory

To Join a Network The computer must have a name –When the OS is installed, it will automatically generate a name for the computer –The generated name can be, and often is, changed It must be entered into a network –Specify the workgroup of domain name The following slides illustrate the process of changing the computer name to Nanda1 and entering the computer into a workgroup network known as GANESAN

End Result The computer is now ready for network access

Summary of Major Steps for Networking Adapter Client Protocol Services Client Identification Joining a network

End of Module

END OF CHAPTER

Installation of Other Components When a protocol is installed other components such as the Client option may be installed In certain case, the File and Print sharing service may also be installed –This service must be activated to allow files and printers to be shared by others in the network