1

Microsoft Windows 2000 Network Infrastructure Administration

• Chapter 6

• Resolving Network Host Names

2

TCP/IP Naming Schemes

• Lesson 1 Topic

• IP naming schemes

3

TCP/IP Naming Schemes

• Lesson objective

• To explain the different naming schemes used by hosts

4

Name Resolution

• Domain Name System (DNS)

• Windows Internet Name Service (WINS)

• Broadcast

• HOSTS file

• LMHOSTS file

5

NET USE Commands

• Net use x:

• \\netbios_name\share• \\10.1.3.74\share• \\host.domain.com\share

6

Host Names

• Lesson 2 Topic

• How host name resolution works

7

Host Names

• Lesson objectives

• To explain how the HOSTS file resolves a host name to an IP address

• To explain how a host name is resolved to an IP address using a DNS server and Microsoft-supported methods

8

Host Name

• Alias to reference an IP address.

• Up to 255 characters.

• Alphabetic and numeric characters.

• Uses “–” and “.” characters.

• Multiple names for one host.

• Host name does not have to match computer name (Windows clients).

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Windows Sockets (WinSock) Applications

• Use one of two values.

• Host name must be resolved to IP address.

• Host name forms.

• Nicknames• Domain names

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Purpose of Host Names

• Simplifies user reference

• Easier to remember.• Can be used by utilities like PING.

• Corresponds to IP address

• Stored in HOSTS files or a DNS server.• Windows clients can resolve host names to

NetBIOS names.

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Host Name Resolution

• Mapping host names to IP addresses

• NetBIOS name resolution

• HOSTS file

• DNS server

• Microsoft methods of name resolution

12

Standard Host Name Resolution Methods

13

Microsoft Host Name Resolution Methods

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NetBIOS Name Resolution

• Unique 16-byte address

• Resolves NetBIOS name to IP address

• Unique NetBIOS name registered based on computer name

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Resolving a Destination Host’s IP Address to Its Hardware Address

16

Resolving a Host Name with a DNS Server

17

Backup Methods for Resolving Host Names

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The HOSTS File

• Lesson 3 Topic

• The HOSTS file

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The HOSTS File

• Lesson objective

• To configure and use the HOSTS file

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A HOSTS File

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Within HOSTS File

• Multiple host names with one IP address.

• Entries can be case-sensitive (UNIX).

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Advantages of Using a HOSTS File

• Customizable

• Easy maintenance for small networks