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Session 16 Windows 7 Professional DNS & Active Directory

Session 16 Windows 7 Professional DNS & Active Directory. Session 16 Windows 7 Professional Configuring TCP/IP Addressing & Name Resolution. Overview. Configuring IP Addresses Troubleshooting IP Addresses Determining TCP/IP Name Resolution Methods Configuring a DNS and WINS Client

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Session 16 Windows 7 Professional DNS & Active Directory

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  1. Nassau Community College ITE153 – Operating Systems Session 16Windows 7 Professional DNS & Active Directory

  2. Nassau Community College ITE153 – Operating Systems Session 16Windows 7 ProfessionalConfiguring TCP/IP Addressing & Name Resolution

  3. Overview Nassau Community College ITE153 – Operating Systems • Configuring IP Addresses • Troubleshooting IP Addresses • Determining TCP/IP Name Resolution Methods • Configuring a DNS and WINS Client • Connecting to a Remote Host

  4. Configuring IP Addresses Nassau Community College ITE153 – Operating Systems • Assigning Static IP Addresses • Overview of Dynamic Address Assignment • Using DHCP to Automate IP Address Assignments • Enabling Alternate IP Configuration

  5. Assigning Static IP Addresses Nassau Community College ITE153 – Operating Systems Specifies192.168.2.15 Client with StaticAddressing

  6. Overview of Dynamic Address Assignment Nassau Community College ITE153 – Operating Systems Request for IP address Is alternate IP configured? Is DHCP available? No No Automatic PrivateIP address generates IP address Yes Yes Assign alternate IP address Assign an IP address • Dynamic address • Alternate static address • Automatic Private IP Address DHCPServer Client with DynamicAddressing

  7. Using DHCP to Automate IP Address Assignments Nassau Community College ITE153 – Operating Systems

  8. Enabling Alternate IP Configuration Nassau Community College ITE153 – Operating Systems

  9. Troubleshooting IP Addresses Nassau Community College ITE153 – Operating Systems • Using TCP/IP Troubleshooting Utilities • Using ipconfig to Troubleshoot IP Addressing • Using ping to Troubleshoot IP Addressing • Using tracert to See Packet Traversal

  10. Using TCP/IP Troubleshooting Utilities Nassau Community College ITE153 – Operating Systems • arp • hostname • ipconfig • ping • pathping • tracert

  11. Using ipconfig to Troubleshoot IP Addressing Nassau Community College ITE153 – Operating Systems

  12. Using ping to Troubleshoot IP Addressing Nassau Community College ITE153 – Operating Systems Testing IP Configuration Ping 127.0.0.1 (Loopback Address) Ping IP address of the computer Ping IP address of the default gateway Ping IP address of the remote host

  13. Lab A: Configuring IP Addresses for Windows XP Professional Nassau Community College ITE153 – Operating Systems

  14. Determining TCP/IP Name Resolution Methods Nassau Community College ITE153 – Operating Systems • Types of Names • Mapping Names: Dynamic or Static Tables • Dynamic IP Mapping • Static IP Mapping • Selecting a Name Resolution Method • Host Name Resolution Process • NetBIOS Name Resolution Process

  15. Types of Names Nassau Community College ITE153 – Operating Systems • Assigned to a computer’s IP address • Up to 255 characters in length • Can contain alphabetic and numeric characters, hyphens, and periods • Together with the domain name creates a fully qualified domain name Host name • 16-byte address • 15 of the bytes may be used for the name • 16th byte is used by the services that a computer offers to the network NetBIOS name

  16. Mapping Names: Dynamic or Static Tables Nassau Community College ITE153 – Operating Systems Dynamictables Statictables LMHOSTS file HOSTS file DNS server WINS server Host name to IP NetBIOS name to IP

  17. Dynamic IP Mapping Nassau Community College ITE153 – Operating Systems • A system for naming computers and network services • Naming system is organized in a hierarchical fashion • Maps domain names to IP address • Mapping records are stored on a DNS server DNS server • Provides a distributed database for registering dynamic mappings of NetBIOS names • Maps NetBIOS names to IP addresses WINS server

  18. Static IP Mapping Nassau Community College ITE153 – Operating Systems • Provides name resolution for host name to IP address • Multiple host names can be assigned to the same IP address HOSTS file • Provides name resolution for NetBIOS name to IP address • A Part of the LMHOSTS file ispre-loaded into memory • One IP per NetBIOS name; names can be a single device or a group LMHOSTS file

  19. Selecting a Name Resolution Method Nassau Community College ITE153 – Operating Systems DNS is required when: • Client is a member of the active directory domain • Client needs to communicate over the Internet DNS server WINS is required when: • Client is a member of a Windows NT 4.0 or earlier domain • Client applications or services require NetBIOS name resolution WINS server

  20. Host Name Resolution Process Nassau Community College ITE153 – Operating Systems LMHOSTS file 1 9 Enter command Broadcast 2 8 Local host name HOSTS file 7 WINS server 4 5 6 DNS server NetBIOS name cache A 3 DNS cache

  21. NetBIOS Name Resolution Process Nassau Community College ITE153 – Operating Systems 1 Enter command 7 DNS server 2 NetBIOS name cache HOSTS file 6 3 WINS server LMHOSTS file 5 Broadcast 4 A

  22. Configuring a DNS and WINS Client Nassau Community College ITE153 – Operating Systems • Specifying Host Names, Domain Names, and Connection-Specific Names • Configuring a DNS Client • Specifying Additional DNS Servers • Configuring DNS Query Settings • Configuring DHCP to Dynamically Update DNS • Troubleshooting DNS Name Resolution • Configuring a WINS Client

  23. Specifying Host Names, Domain Names, and Connection-Specific Names Nassau Community College ITE153 – Operating Systems

  24. Configuring a DNS Client Nassau Community College ITE153 – Operating Systems

  25. Specifying Additional DNS Servers Nassau Community College ITE153 – Operating Systems

  26. Configuring DNS Query Settings Nassau Community College ITE153 – Operating Systems

  27. Configuring DHCP to Dynamically Update DNS Nassau Community College ITE153 – Operating Systems Client registered DHCP registered DHCP Server Computer1 Static or Dynamic Request for IP address 1 Assign IP address of 192.168.120.133 2 3 3 Clientdynamic update DHCPdynamic update Computer1 192.168.120.133 DNS database DNS Server

  28. Troubleshooting DNS Name Resolution Nassau Community College ITE153 – Operating Systems 1 Use nslookup command 2 Change the host name resolution configuration

  29. Configuring a WINS Client Nassau Community College ITE153 – Operating Systems Manual configuration Automatic configuration DHCPserver DHCP clients

  30. Lab B: Configuring the DNS Client for Windows XP Professional Nassau Community College ITE153 – Operating Systems

  31. Connecting to a Remote Host Nassau Community College ITE153 – Operating Systems • Working with FTP • Working with Telnet • Using HyperTerminal

  32. Working with FTP Nassau Community College ITE153 – Operating Systems Windows Explorer graphical client Commandline client Windows XP Professional provides various client FTP interfaces along with the tools for hosting FTP sites by using IIS

  33. Working with Telnet Nassau Community College ITE153 – Operating Systems Issuing UNIX commands Telnet client: UNIX server Telnet server Windows XP Professional Telnet client Telnet server: Issuing Telnet commands UNIX workstation Telnet client Windows XP Professional Telnet server

  34. Using HyperTerminal Nassau Community College ITE153 – Operating Systems

  35. SSH & Putty Nassau Community College ITE153 – Operating Systems • Secure Shell Host • Putty - http://www.putty.org/

  36. Review Nassau Community College ITE153 – Operating Systems • Configuring IP Addresses • Troubleshooting IP Addresses • Determining TCP/IP Name Resolution Methods • Configuring a DNS and WINS Client • Connecting to a Remote Host

  37. Homework Nassau Community College ITE153 – Operating Systems • Review the Slides • Review Lesson 6, 8, & 17 In The Text • Try This At Home:Bring Up Windows 7 under VMPlayer

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