Module 3: Resolving Names Overview Multimedia: Introduction to the Name Resolution Process Viewing Names on a Client Configuring Host Name Resolution Configuring NetBIOS Name Resolution Multimedia: Introduction to the Name Resolution Process The objective of this presentation is to provide a high-level overview of the name resolution process in the network infrastructure After this presentation, you will be able to: y Explain what a host name is y Explain what a NetBIOS name is y Describe how the name resolution process works Lesson: Viewing Names on a Client How Names Are Mapped to IP Addresses What Are Host Names? What Are NetBIOS Names? How to View Names On a Client How Names Are Mapped to IP Addresses Name Resolution Name Resolution Service Service 192.168.1.200 Computer44 Where is the Computer44 file? Where is the Computer44 file? Computer44 Computer44 1 1 2 2 3 3 Examples: Examples: A host name is the DNS name, of a device on a network, that is used to locate computers on the network A host name is the DNS name, of a device on a network, that is used to locate computers on the network What Are Host Names? FQDN server1.nwtraders.msft. server1.training.nwtraders.msft. FQDN DNS Suffix Host Name DNS Suffix Host Name Server1 = 192.168.0.67 Server1 = 192.168.0.67 Server1 = 192.168.0.66 Server1 = 192.168.0.66 msft msft “.” Root “.” Root nwtraders nwtraders training training What Are NetBIOS Names? Server2 Server2 NetBIOS Name 16 th character Server2 00 20 01 Server2 Server2 Messenger 192.168.0.39 Services IP address Workstation 192.168.0.39 Server 192.168.0.39 A NetBIOS name is an identifier used by NetBIOS services running on a computer. It is made up of a 15-character name plus a 16th character (byte) denoting the service A NetBIOS name is an identifier used by NetBIOS services running on a computer. It is made up of a 15-character name plus a 16th character (byte) denoting the service How to View Names on a Client Your instructor will demonstrate how to: Your instructor will demonstrate how to: View host names and DNS suffixes by using the Ipconfig utility View host names by using System Properties View NetBIOS names by using the Nbtstat command View your computer’s NetBIOS name by using System Properties Rename a computer View host names and DNS suffixes by using the Ipconfig utility View host names by using System Properties View NetBIOS names by using the Nbtstat command View your computer’s NetBIOS name by using System Properties Rename a computer Practice: Viewing Names on a Client In this practice, you will view names on a client Lesson: Configuring Host Name Resolution The Host Name Resolution Process Client Resolver Cache How to View and Flush the Client Resolver Cache Hosts File How to Preload the Client Resolver Cache by Using a Hosts File [...]... that stores host names that have recently been resolved to IP addresses It also stores host nameto-IP address mappings loaded from the Hosts file Computer1 Computer1 Hosts File Hosts File Resolved host names Resolved host names from the DNS server from the DNS server How to View and Flush the Client Resolver Cache Your instructor will demonstrate how to: Display a client resolver cache by using the Ipconfig... that stores NetBIOS names that have recently been resolved to IP addresses whether through a WINS server, broadcast, or Lmhosts file Computer1 Computer1 Broadcast Resolved host names Resolved host names from broadcasts from broadcasts Lmhosts File Lmhosts File Resolved host names Resolved host names from the WINS server from the WINS server How to View and Release the NetBIOS Name Cache Your instructor... #END_ALTERNATE How to Preload a NetBIOS Name Cache by Using an Lmhosts File Your instructor will demonstrate how to preload a NetBIOS name cache by using an Lmhosts file Practice: Configuring NetBIOS Name Resolution In this practice, you will configure NetBIOS name resolution Review Name Resolution Process Viewing Names on a Client Configuring Host Name Resolution Configuring NetBIOS Name Resolution ... by the Microsoft TCP/IP for Windows # # This file contains the mappings of IP addresses to computernames # (NetBIOS) names Each entry should be kept on an individual line # The IP address should be placed in the first column followed by the # corresponding computername The address and the computername # should be separated by at least one space or tab The "#" character # is generally used to denote the. .. localhost How to Preload a Client Resolver Cache by Using a Hosts File Your instructor will demonstrate how to preload the client resolver cache by using a Hosts file Practice: Configuring Host Name Resolution In this practice, you will configure host name resolution Lesson: Configuring NetBIOS Name Resolution NetBIOS Name Resolution Process NetBIOS Name Cache How to View and Release the NetBIOS Name Cache... NetBIOS NetBIOS Redirector Redirector The NetBIOS redirector sends out a local The NetBIOS redirector sends out a local broadcast broadcast If the resource is on the local network, the If the resource is on the local network, the broadcast is answered and an IP address is broadcast is answered and an IP address is returned returned 3 If the resource is on a remote network, then the If the resource is on... How to Preload a NetBIOS Name Cache by Using an Lmhosts File NetBIOS Name Resolution Process NetBIOS Name Cache 1 WINS Broadcast Lmhosts File Salescomputer2 192.168.1.35 2 What is the What is the IP address for IP address for Salescomputer2? Salescomputer2? 3 Salescomputer2 Salescomputer2 NetBIOS name resolution is the process of mapping a NetBIOS name to an IP address NetBIOS Name Cache A NetBIOS name. .. demonstrate how to: View the contents of the local computer’s NetBIOS name cache Release the NetBIOS name cache and reload the #PREtagged entries in the local Lmhosts file Display and view the NetBIOS name table of the local computer Broadcasts Local broadcasts are network messages, sent from a single computer, that are distributed to all other devices on the same segment of the network as the sending.. .The Host Name Resolution Process Client Resolver Cache/Hosts File 1 NetBIOS Name Cache DNS Salescomputer2 What is the What is the IP address for IP address for Salescomputer2? Salescomputer2? 2 WINS Broadcast Lmhost File 192.168.1.35 3 Salescomputer2 Salescomputer2 Host name resolution is the process of resolving a host name to an IP address Client Resolver Cache The client resolver... mappings of IP addresses to host names Each # entry should be kept on an individual line The IP address should # be placed in the first column followed by the corresponding host name # The IP address and the host name should be separated by at least one # space # # Additionally, comments (such as these) may be inserted on individual # lines or following the machine name denoted by a '#' symbol # # . Module 3: Resolving Names Overview Multimedia: Introduction to the Name Resolution Process Viewing Names on a Client Configuring Host Name Resolution Configuring. File The Host Name Resolution Process Host name resolution is the process of resolving a host name to an IP address Host name resolution is the process