Binary Lesson 9 Supernetting

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Presentation transcript:

Binary Lesson 9 Supernetting

Class C Class C address: 192.168.1.10 /24 The subnet mask is 255.255.255.0 The network address is 192.168.1.0 In Binary: IP: 11000000 10101000 00000001 00001010 Subnt Msk: 11111111 11111111 11111111 00000000 Net Addr: 11000000 10101000 00000001 00000000 2

192.168.0.0 /23 You can combine two class C's with a /23 IP: 192.168.1.10 /23 Subnet Mask: 255.255.254.0 Network: 192.168.0.0 First Usable: 192.168.0.1 Last Usable: 192.168.1.254 IP: 11000000 10101000 00000001 00001010 Subnt Msk: 11111111 11111111 11111110 00000000 Net Addr: 11000000 10101000 00000000 00000000 3

192.168.0.0 /22 You can combine 4 class C's with a /22 IP: 192.168.1.10 /22 Subnet Mask: 255.255.252.0 Network: 192.168.0.0 First Usable: 192.168.0.1 Last Usable: 192.168.3.254 IP: 11000000 10101000 00000001 00001010 Subnt Msk: 11111111 11111111 11111100 00000000 Net Addr: 11000000 10101000 00000000 00000000 4

Subnetting a Class C CIDR Notation # Addr Subnet Mask Broadcast 192.168.0.0/24 256 255.255.255.0 192.168.0.255 192.168.0.0/25 128 255.255.255.128 192.168.0.127 192.168.0.0/26 64 255.255.255.192 192.168.0.63 192.168.0.0/27 32 255.255.255.224 192.168.0.31 192.168.0.0/28 16 255.255.255.240 192.168.0.15 192.168.0.0/29 8 255.255.255.248 192.168.0.7 192.168.0.0/30 4 255.255.255.252 192.168.0.3

Supernetting a Class C CIDR Notation # Addr Subnet Mask Broadcast # Cs 192.168.0.0/16 65536 255.255.0.0 192.168.255.255 256 192.168.0.0/17 32768 255.255.128.0 192.168.127.255 128 192.168.0.0/18 16384 255.255.192.0 192.168.63.255 64 192.168.0.0/19 8192 255.255.224.0 192.168.31.255 32 192.168.0.0/20 4096 255.255.240.0 192.168.15.255 16 192.168.0.0/21 2048 255.255.248.0 192.168.7.255 8 192.168.0.0/22 1024 255.255.252.0 192.168.3.255 4 192.168.0.0/23 512 255.255.254.0 192.168.1.255 2 192.168.0.0/24 256 255.255.255.0 192.168.0.255 1

Supernetting iClicker Questions

What is the subnet mask for this network? 15.254.222.199/25 255.255.255.0 255.255.255.128 255.255.254.0 255.255.252.0 Something else

What is the broadcast address for this network? 120.144.100.95/23 120.144.100.255 120.144.101.255 120.144.103.255 120.144.255.255 Something else

What is the last usable address for this network? 10.14.3.128/23 10.14.3.126 10.14.3.254 10.14.4.254 10.14.2.254 Something else

What is the broadcast address for this network? 172.16.0.0/21 172.16.0.255 172.16.3.255 172.16.7.255 172.16.15.255 Something else

What is the subnet mask for this network? 172.31.128.0/20 255.255.0.0 255.255.240.0 255.255.248 255.255.252.0 Something else

How many class C subnets are included in this network? 1.2.3.4/18 32 64 Something else

What is the broadcast address for this network? 147.144.128.0/20 147.144.255.255 147.144.143.255 147.144.135.255 147.144.131.255 Something else

What is the best supernet to combine these networks. 192. 168. 1 192.168.0.0/23 192.168.0.0/22 192.168.1.0/22 192.168.1.0/21 Something else

What is the best supernet to combine these networks. 192. 168. 12 192.168.12.0/23 192.168.12.0/22 192.168.8.0/21 192.168.0.0/20 Something else

What is the best supernet to combine these networks. 192. 168. 1 192.168.0.0/22 192.168.0.0/21 192.168.0.0/20 192.168.0.0/19 Something else

CCSF has the 147. 144. 0/16 address space CCSF has the 147.144.0.0/16 address space. Which subnet is best for the 3000 students using Wi-Fi? 147.144.160.0/22 147.144.160.0/21 147.144.160.0/20 147.144.160.0/19 Something else

Which subnet is best for a department with 500 computers? 10.114.64.0/24 10.114.64.0/23 10.114.64.0/22 10.114.64.0/21 Something else

Which subnet is best for a department with 511 computers? 200.114.64.0/24 200.114.64.0/23 200.114.64.0/22 200.114.64.0/21 Something else