Expl net fund_chapter_06_i_pv4_part_2

Chapter 6 Addressing the Network - IPV4 Part II

Addressing the Network: IPv4 Legacy IPv4 Addressing

Legacy IPv4 Addressing ,[object Object],[object Object],[object Object],[object Object],Class High Order Bits First Octet Range Number of Network Bits Number of Host Bits Number of Networks Number of Hosts per Network A 0 0-127 8 24 128 16,777,216 B 10 128-191 16 16 16,384 65,536 C 110 192-223 24 8 2,097,152 256 D 1110 224-239 Used for Multicasting to multiple hosts. E 1111 240-255 Reserved for research and development.

IPv4 Classful Addressing ,[object Object],[object Object],[object Object],[object Object],[object Object],Class High Order Bits First Octet Range Number of Network Bits Number of Host Bits Number of Networks Number of Hosts per Network A 0 0-127 8 24 128 16,777,216 B 10 128-191 16 16 16,384 65,536 C 110 192-223 24 8 2,097,152 256

IPv4 Classful Addressing ,[object Object],[object Object],Class High Order Bits First Octet Range Number of Network Bits Number of Host Bits Number of Networks Number of Hosts per Network A 0 0-127 8 24 128 16,777,216 B 10 128-191 16 16 16,384 65,536 C 110 192-223 24 8 2,097,152 256

IPv4 Classful Addressing ,[object Object],[object Object],[object Object],Class First Octet Range Number of Network Bits Number of Host Bits Default Subnet Mask Number of Networks Number of Hosts per Network A 0-127 8 24 255.0.0.0 128 16,777,216 B 128-191 16 16 255.255.0.0 16,384 65,536 C 192-223 24 8 255.255.255.0 2,097,152 256

IPv4 Classful Addressing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IPv4 Classful Addressing ,[object Object],[object Object],[object Object],[object Object]

IPv4 Classful Addressing ,[object Object],[object Object],Class Number of Network Bits Number of Host Bits Number Hosts Per Network Number of Useable Hosts per Network A 8 24 2 24 = 16,777,216 2 24 - 2 = 16,777,214 B 16 16 2 16 = 65,536 2 16 - 2 = 65,534 C 24 8 2 8 = 256 2 8 - 2 = 254

IPv4 Classless Addressing ,[object Object],[object Object],[object Object],[object Object]

Addressing the Network: IPv4 Calculating Addresses

Calculating Addresses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Network Number ,[object Object]

The Network Number ,[object Object],[object Object]

The Broadcast ,[object Object],[object Object]

The Host Number ,[object Object]

The Subnet Mask ,[object Object],[object Object],[object Object],Class Number of Network Bits Number of Host Bits Default Prefix Default Subnet Mask A 8 24 /8 255.0.0.0 B 16 16 /16 255.255.0.0 C 24 8 /24 255.255.255.0

Classful IP Addressing – Class C ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classful IP Addressing – Class C ,[object Object],[object Object],11111111 01001101 00010100 11010010 255 77. 20. 210. ,[object Object],00000000 01001101 00010100 11010010 0 77. 20. 210. ,[object Object]

Classful IP Addressing – Class C ,[object Object],[object Object],11111110 01001101 00010100 11010010 254 77. 20. 210. 00000001 01001101 00010100 11010010 1 77. 20. 210. The range of available addresses is:

Classful IP Addressing – Class B ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classful IP Addressing – Class B ,[object Object],[object Object],11111111 11111111 01010100 10010010 255 255. 84. 146. ,[object Object],00000000 00000000 01010100 10010010 0 0. 84. 146. ,[object Object]

Classful IP Addressing – Class B ,[object Object],[object Object],11111110 11111111 01010100 10010010 254 255. 84. 146. 00000001 00000000 01010100 10010010 1 0. 84. 146. The range of available addresses is:

Classful IP Addressing – Class A ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classful IP Addressing – Class A ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Classful IP Addressing – Class A ,[object Object],[object Object],11111111 11111111 11111111 01000010 255 255. 255. 66. ,[object Object],00000000 00000000 00000000 01000010 0 0. 0. 66. ,[object Object]

Classful IP Addressing ,[object Object],Network Address is: Broadcast Address is: Subnet Mask: Number of Useable host addresses: What are they? Address Class: B 130.61.0.0 255.255.0.0 130.61.255.255 2 16 - 2 = 65,534 130.61.0.1 - 130.61.255.254

Classful IP Addressing ,[object Object],Network Address is: Broadcast Address is: Subnet Mask: Number of Useable host addresses: What are they? Address Class: C 197.101.28.0 255.255.255.0 197.101.28.255 2 8 - 2 = 254 197.101.28.1 - 197.101.28.254

Classful IP Addressing ,[object Object],Network Address is: Broadcast Address is: Subnet Mask: Number of Useable host addresses: What are they? Address Class: A 64.0.0.0 255.0.0.0 64.255.255.255 2 24 - 2 = A Bunch! 64.0.0.1 - 64.255.255.254

Addressing the Network: IPv4 Basic Subnetting

IP Address Crisis ,[object Object],[object Object],[object Object],[object Object],[object Object]

IP Address Crisis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why Multiple Segments? ,[object Object],[object Object],[object Object]

Why Multiple Segments? ,[object Object],The company IT headquarters has assigned a Class B address of 131.15.0.0 to use for ALL these networks.

Why Multiple Segments? Class B 131.15.0.0 What happens here? 131.15.1.0 131.15.2.0 131.15.3.0 131.15.4.0 131.15.5.0 Subnetting

Why Multiple Segments? ,[object Object],[object Object],[object Object],[object Object],[object Object],131.15.1.0 131.15.3.0 131.15.4.0 131.15.5.0 131.15.2.0 131.15.6.0 131.15.7.0 Subnetting

Creating a Subnet ,[object Object],[object Object],[object Object],[object Object]

Creating a Subnet ,[object Object],[object Object]

Creating a Subnet ,[object Object],[object Object],[object Object],[object Object],[object Object]

Creating a Subnet - The Rules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Subnets and Useable Hosts – Class C ,[object Object],Leave at least 2 Borrowed Bits Number of Subnets Number of Usable Hosts Subnet Mask Prefix 0 0 (default) 2 8 - 2 = 254 255.255.255.0 /24 1 2 1 = 2 2 7 - 2 = 126 255.255.255.128 /25 2 2 2 = 4 2 6 - 2 = 62 255.255.255.192 /26 3 2 3 = 8 2 5 - 2 = 30 255.255.255.224 /27 4 2 4 = 16 2 4 - 2 = 14 255.255.255.240 /28 5 2 5 = 32 2 3 - 2 = 6 255.255.255.248 /29 6 2 6 = 64 2 2 - 2 = 2 255.255.255.252 /30 7 2 7 = 128 2 1 - 2 = 0 unusable

Subnetting - Class C ,[object Object],[object Object],Borrowed Bits Number of Subnets Number of Usable Hosts Subnet Mask Prefix 2 2 2 = 4 2 6 - 2 = 62 255.255.255.192 /26 3 2 3 = 8 2 5 - 2 = 30 255.255.255.224 /27 4 2 4 = 16 2 4 - 2 = 14 255.255.255.240 /28 5 2 5 = 32 2 3 - 2 = 6 255.255.255.248 /29

Magic Numbers ,[object Object],[object Object],[object Object],[object Object],[object Object]

Subnetting - Class C ,[object Object],[object Object],192.168.80.255 192.168.80.225 – 192.168.80.254 192.168.80.224 7 192.168.80.223 192.168.80.193 – 192.168.80.222 192.168.80.192 6 192.168.80.191 192.168.80.161 – 192.168.80.190 192.168.80.160 5 192.168.80.159 192.168.80.129 – 192.168.80.158 192.168.80.128 4 192.168.80.127 192.168.80.97 – 192.168.80.126 192.168.80.96 3 192.168.80.95 192.168.80.65 – 192.168.80.94 192.168.80.64 2 192.168.80.63 192.168.80.33 – 192.168.80.62 192.168.80.32 1 192.168.80.31 192.168.80.1 – 192.168.80.30 192.168.80.0 0 Broadcast Address Subnet Address Range Network Address ID

Subnetting – Class C ,[object Object],[object Object],192.168.80.0/27 192.168.80.32/27 192.168.80.64/27 192.168.80.96/27

Subnetting – Class A or Class B ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Subnetting - Class B ,[object Object],[object Object],[object Object],[object Object],[object Object]

Subnetting - Class B ,[object Object],[object Object],Head Office Central 01 Central 02 Central 03 Central 10 Branch 01 Branch nn Your objective is to provide enough addresses so that each central office can cover their branches and allow room for future expansion.

Subnetting - Class B ,[object Object],Borrowed Bits Number of Subnets Number of Usable Hosts Subnet Mask Prefix 0 0 (default) 2 16 - 2 = 65,534 255.255.0.0 /16 1 2 1 = 2 2 15 - 2 = 32,766 255.255.128.0 /17 2 2 2 = 4 2 14 - 2 = 16,382 255.255.192.0 /18 3 2 3 = 8 2 13 - 2 = 8,190 255.255.224.0 /19 4 2 4 = 16 2 12 - 2 = 4,094 255.255.240.0 /20 5 2 5 = 32 2 11 - 2 = 2,046 255.255.248.0 /21 6 2 6 = 64 2 10 - 2 = 1,022 255.255.252.0 /22 7 2 7 = 128 2 9 - 2 = 510 255.255.254.0 /23 8 2 8 = 256 2 8 - 2 = 254 255.255.255.0 /24

Subnetting – Class B ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Subnetting – Class B 172.25.255.255 15 14 13 12 11 10 9 8 7 6 5 4 172.25.63.255 172.25.48.1 to 172.25.63.254 172.25.48.0 3 172.25.47.255 172.25.32.1 to 172.25.47.254 172.25.32.0 2 172.25.31.255 172.25.16.1 to 172.25.31.254 172.25.16.0 1 172.25.15.255 172.25.0.1 to 172.25.15.254 172.25.0.0 0 Broadcast Address Subnet Address Range Network Address ID 172.25.239.255 172.25.223.255 172.25.207.255 172.25.191.255 172.25.175.255 172.25.159.255 172.25.143.255 172.25.127.255 172.25.111.255 172.25.95.255 172.25.79.255 172.25.240.1 to 172.25.255.254 172.25.224.1 to 172.25.239.254 172.25.208.1 to 172.25.223.254 172.25.192.1 to 172.25.207.254 172.25.176.1 to 172.25.191.254 172.25.160.1 to 172.25.175.254 172.25.144.1 to 172.25.159.254 172.25.128.1 to 172.25.143.254 172.25.112.1 to 172.25.127.254 172.25.96.1 to 172.25.111.254 172.25.80.1 to 172.25.95.254 172.25.64.1 to 172.25.79.254 172.25.240.0 172.25.224.0 172.25.208.0 172.25.192.0 172.25.176.0 172.25.160.0 172.25.144.0 172.25.128.0 172.25.112.0 172.25.96.0 172.25.80.0 172.25.64.0

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