Chap-04 IP Addresses Classful - TCP/IP Protocol Suite 1...

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Unformatted text preview: TCP/IP Protocol Suite 1 Chapter 4 Chapter 4 Objectives Upon completion you will be able to: IP Addresses: IP Addresses: Classful Addressing Classful Addressing Understand IPv4 addresses and classes Identify the class of an IP address Find the network address given an IP address Understand masks and how to use them Understand subnets and supernets TCP/IP Protocol Suite 2 4.1 INTRODUCTION 4.1 INTRODUCTION The identifier used in the IP layer of the TCP/IP protocol suite to The identifier used in the IP layer of the TCP/IP protocol suite to identify each device connected to the Internet is called the Internet identify each device connected to the Internet is called the Internet address or IP address. An IP address is a address or IP address. An IP address is a 32-bit address 32-bit address that uniquely that uniquely and universally defines the connection of a host or a router to the and universally defines the connection of a host or a router to the Internet. IP addresses are unique. They are unique in the sense that Internet. IP addresses are unique. They are unique in the sense that each address defines one, and only one, connection to the Internet. Two each address defines one, and only one, connection to the Internet. Two devices on the Internet can never have the same address. devices on the Internet can never have the same address. The topics discussed in this section include: The topics discussed in this section include: Address Space Address Space Notation Notation TCP/IP Protocol Suite 3 An IP address is a 32-bit address. Note: Note: TCP/IP Protocol Suite 4 The IP addresses are unique. Note: Note: TCP/IP Protocol Suite 5 The address space of IPv4 is 2 32 or 4,294,967,296. Note: Note: TCP/IP Protocol Suite 6 Figure 4.1 Dotted-decimal notation TCP/IP Protocol Suite 7 The binary, decimal, and hexadecimal number systems are reviewed in Appendix B. Note: Note: TCP/IP Protocol Suite 8 Change the following IP addresses from binary notation to dotted-decimal notation. a. 10000001 00001011 00001011 11101111 b . 11000001 10000011 00011011 11111111 c. 11100111 11011011 10001011 01101111 d. 11111001 10011011 11111011 00001111 Example 1 Solution We replace each group of 8 bits with its equivalent decimal number (see Appendix B) and add dots for separation: a. 129.11.11.239 b. 193.131.27.255 c. 231.219.139.111 d. 249.155.251.15 TCP/IP Protocol Suite 9 Change the following IP addresses from dotted-decimal notation to binary notation. a. 111.56.45.78 b. 221.34.7.82 c. 241.8.56.12 d. 75.45.34.78 Example 2 Solution We replace each decimal number with its binary equivalent: a. 01101111 00111000 00101101 01001110 b. 11011101 00100010 00000111 01010010 c. 11110001 00001000 00111000 00001100 d. 01001011 00101101 00100010 01001110 TCP/IP Protocol Suite 10 Find the error, if any, in the following IP addresses: a. 111.56.045.78 b. 221.34.7.8.20 c. 75.45.301.14 d. 11100010.23.14.67 Example 3 Solution a. There are no leading zeroes in dotted-decimal notation (045).There are no leading zeroes in dotted-decimal notation (045)....
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Chap-04 IP Addresses Classful - TCP/IP Protocol Suite 1...

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