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Vlsm exercises solutions

The document provides the solutions for several Variable Length Subnet Masking (VLSM) exercises, detailing specific subnets and their respective configurations. It includes calculations for network bits, host bits, and subnet masks for various IP addresses across multiple exercises. The examples demonstrate how to allocate IP addresses efficiently in different scenarios using VLSM.

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Solution - VLSM Exercise # 1 Page 2 220.10.10.0 / 26 220.10.10.64 / 27
Solution - VLSM Exercise # 1 220.10.10.0 / 24 Network: 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 2 - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 220.10.10.0 / 26 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 220.10.10.64 / 26 • 0 1 220.10.10.128 / 26 • 1 0 220.10.10.192 / 26 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 1 1 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 220.10.10.64 / 27 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 1 0 0 0 0 0 0 220.10.10.96 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 3
Solution - VLSM Exercise # 2 Page 4 192.168.16.0 / 25 192.168.16.224 / 30 192.168.16.228 / 30 192.168.16.128 / 26 192.168.16.192 / 27
Solution - VLSM Exercise # 2 192.168.16.0 / 24 Network: 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 192.168.16.0 / 25 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 0 0 0 0 0 0 0 0 192.168.16.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 192.168.16.128 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 0 0 0 0 0 0 0 192.168.16.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 20 Hosts 192.168.16.192 / 27 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 0 0 0 0 0 0 192.168.16.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 3 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 192.168.16.224 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 1 0 0 0 0 0 2 Hosts 192.168.16.228 / 30 • 0 0 1 • • • • • • • • • 192.168.16.252 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 5
Solution - VLSM Exercise # 3 Page 6 192.168.1.112 / 30 192.168.1.116 / 30 192.168.1.0 / 26 192.168.1.64 / 27 192.168.1.96 / 28
Solution - VLSM Exercise # 3 192.168.1.0 / 24 Network: 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 2 - 26 Network bits - 6 Host bits - Magic Number = 64 55 Hosts 192.168.1.0 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 0 0 0 0 0 0 0 192.168.1.64 / 26 • 0 1 192.168.1.128 / 26 • 1 0 192.168.1.192 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 26 Hosts 192.168.1.64 / 27 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 1 0 0 0 0 0 0 192.168.1.96 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 1 More - 28 Network bits - 4 Host bits - Magic Number = 16 12 Hosts 192.168.1.96 / 28 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 1 1 0 0 0 0 0 192.168.1.112 /28 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 192.168.1.112 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 1 1 0 0 0 0 2 Hosts 192.168.1.116 / 30 • 0 1 192.168.1.120 / 30 • 1 0 192.168.1.124 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 7
Solution - VLSM Exercise # 4 Page 8 195.109.74.32 / 28 195.109.74.80 / 30 195.109.74.0 / 28 195.109.74.16 / 28 195.109.74.84 / 30 195.109.74.88 / 30 195.109.74.48 / 28 195.109.74.64 / 28
Solution - VLSM Exercise # 4 195.109.74.0 / 24 Network: 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 4 - 28 Network bits - 4 Host bits - Magic Number = 16 14 Hosts 195.109.74.0 / 28 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 14 Hosts 195.109.74.16 / 28 • 0 0 0 1 12 Hosts 195.109.74.32 / 28 • 0 0 1 0 10 Hosts 195.109.74.48 / 28 • 0 0 1 1 10 Hosts 195.109.74.64 / 28 • 0 1 0 0 195.109.74.80 / 28 • 0 1 0 1 195.109.74.96 / 28 • 0 1 1 0 • • • • • • • • • 195.109.74.240 / 28 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 1 1 1 1 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 195.109.74.80 / 30 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 1 0 1 0 0 0 0 2 Hosts 195.109.74.84 / 30 • 0 1 2 Hosts 195.109.74.88 / 30 • 1 0 195.109.74.92 / 30 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 9
Solution - VLSM Exercise # 5 Page 10 200.124.67.160 / 27 200.124.67.208 / 30 200.124.67.212 / 30 200.124.67.128 / 27 200.124.67.216 / 30 200.124.67.0 / 25 200.124.67.192 / 28
Solution - VLSM Exercise # 5 200.124.67.0 / 24 Network: 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 - 25 Network bits - 7 Host bits - Magic Number = 128 112 Hosts 200.124.67.0 / 25 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 0 0 0 0 0 0 0 200.124.67.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 2 More - 27 Network bits - 5 Host bits - Magic Number = 32 30 Hosts 200.124.67.128 / 27 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 0 0 0 0 0 0 0 25 Hosts 200.124.67.160 / 27 • 0 1 200.124.67.192 / 27 • 1 0 200.124.67.224 / 27 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 1 1 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 1 More - 28 Network bits - 4 Host bits - Magic Number = 16 10 Hosts 200.124.67.192 / 28 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 1 0 0 0 0 0 0 200.124.67.208 / 28 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 200.124.67.208 / 30 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 1 0 1 0 0 0 0 2 Hosts 200.124.67.212 / 30 • 0 1 2 Hosts 200.124.67.216 / 30 • 1 0 200.124.67.220 / 30 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 11
Solution - VLSM Exercise # 6 Page 12 172.16.8.0 / 24 172.16.9.0 / 24 172.16.10.192 / 30 172.16.10.196 / 30 172.16.10.200 / 30 172.16.10.204 / 30 172.16.10.0 / 25 172.16.10.128 / 26
Solution - VLSM Exercise # 6 172.16.8.0 / 22 Network: 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 24 Network bits - 8 Host bits - Magic Number = 256 210 Hosts 172.16.8.0 / 24 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 0 0 . 0 0 0 0 0 0 0 0 195 Hosts 172.16.9.0 / 24 • 0 1 • 172.16.10.0 / 24 • 1 0 • 172.16.11.0 / 24 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 95 Hosts 172.16.10.0 / 25 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 0 0 0 0 0 0 0 0 172.16.10.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 52 Hosts 172.16.10.128 / 26 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 0 0 0 0 0 0 0 172.16.10.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 4 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 172.16.10.192 / 30 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 1 0 0 0 0 0 0 2 Hosts 172.16.10.196 / 30 • 0 0 0 1 2 Hosts 172.16.10.200 / 30 • 0 0 1 0 2 Hosts 172.16.10.204 / 30 • 0 0 1 1 • • • • • • 172.16.10.252 / 30 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 13
Solution - VLSM Exercise # 7 Page 14 190.12.40.0 / 25 190.12.40.128 / 25 190.12.41.0 / 26 190.12.41.64 / 26 190.12.41.128 / 27 190.12.41.160 / 30 190.12.41.164 / 30 190.12.41.168 / 30
Solution - VLSM Exercise # 7 190.12.40.0 / 23 Network: 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 25 Network bits - 7 Host bits - Magic Number = 128 125 Hosts 190.12.40.0 / 25 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 0 . 0 0 0 0 0 0 0 0 90 Hosts 190.12.40.128 / 25 • 0 . 1 190.12.41.0 / 25 • 1 . 0 190.12.41.128 / 25 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 190.12.41.0 / 26 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 0 0 0 0 0 0 0 0 50 Hosts 190.12.41.64 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 190.12.41.128 / 27 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 0 0 0 0 0 0 190.12.41.160 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 3 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 190.12.41.160 / 30 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 1 0 0 0 0 0 2 Hosts 190.12.41.164 / 30 • 0 0 1 2 Hosts 190.12.41.168 / 30 • 0 1 0 190.12.41.172 / 30 • 0 1 1 • • • • • • 190.12.41.252 / 30 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 15
Solution - VLSM Exercise # 8 Page 16 134.14.8.0 / 23 134.14.11.0 / 25 134.14.10.0 / 24 134.14.11.128 / 26 134.14.11.192 / 30 134.14.11.196 / 30 134.14.11.200 / 30
Solution - VLSM Exercise # 8 134.14.8.0 / 22 Network: 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 1 - 23 Network bits - 9 Host bits - Magic Number = 2 500 Hosts 134.14.8.0 / 23 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 134.14.10.0 / 23 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 150 Hosts 134.14.10.0 / 24 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 134.14.11.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 134.14.11.0 / 25 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 1 . 0 0 0 0 0 0 0 0 134.14.11.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 134.14.11.128 / 26 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 1 . 1 0 0 0 0 0 0 0 134.14.11.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Page 17 Next Page
Solution - VLSM Exercise # 8 Borrow 4 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 134.14.11.192 / 30 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 1 1 0 0 0 0 0 0 2 Hosts 134.14.11.196 / 30 • 0 0 0 1 2 Hosts 134.14.11.200 / 30 • 0 0 1 0 134.14.11.204 / 30 • 0 0 1 1 • • • • • • 134.14.11.252 / 30 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 18
Solution - VLSM Exercise # 9 Page 19 64.64.20.0 / 23 64.64.23.192 / 27 64.64.22.0 / 24 64.64.23.244 / 30 64.64.23.128 / 26 64.64.23.0 / 25 64.64.23.224 / 29 64.64.23.232 / 30 64.64.23.236 / 30 64.64.23.240 / 30
Solution - VLSM Exercise # 9 64.64.20.0 / 22 Network: 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 1 - 23 Network bits - 9 Host bits - Magic Number = 2 420 Hosts 64.64.20.0 / 23 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 0 0 0 0 0 0 0 0 64.64.22.0 / 23 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 130 Hosts 64.64.22.0 / 24 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 1 0 . 0 0 0 0 0 0 0 0 64.64.23.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 100 Hosts 64.64.23.0 / 25 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 1 1 . 0 0 0 0 0 0 0 0 64.64.23.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 38 Hosts 64.64.23.128 / 26 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 0 0 0 0 0 0 0 64.64.23.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 64.64.23.192 / 27 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 0 0 0 0 0 0 64.64.23.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 20 Next Page
Solution - VLSM Exercise # 9 Borrow 2 More - 29 Network bits - 3 Host bits - Magic Number = 8 6 Hosts 64.64.23.224 / 29 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 0 0 0 0 0 64.64.23.232 / 29 • 0 1 64.64.23.240 / 29 • 1 0 64.64.23.248 / 29 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 1 1 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 Borrow 1 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 64.64.23.232 / 30 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 0 1 0 0 0 2 Hosts 64.64.23.236 / 30 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Borrow 1 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 64.64.23.240 / 30 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 1 0 0 0 0 2 Hosts 64.64.23.244 / 30 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 21
Solution - VLSM Exercise # 10 Page 22 160.59.128.0 / 21 160.59.136.0 / 23 160.59.138.0 / 24 160.59.139.0 / 24 160.59.140.0 / 25 160.59.140.208 / 30 160.59.140.212 / 30 160.59.140.216 / 30 160.59.140.128 / 26 160.59.140.192 / 28
Solution - VLSM Exercise # 10 160.59.128.0 / 19 Network: 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 21 Network bits - 11 Host bits - Magic Number = 8 2000 Hosts 160.59.128.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 160.59.136.0 / 21 • 0 1 • 160.59.144.0 / 21 • 1 0 • 160.59.152.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 More - 23 Network bits - 9 Host bits - Magic Number = 2 500 Hosts 160.59.136.0 / 23 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 160.59.138.0 / 21 • 0 1 • 160.59.140.0 / 21 • 1 0 • 160.59.144.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 230 Hosts 160.59.138.0 / 24 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 150 Hosts 160.59.139.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 75 Hosts 160.59.140.0 / 25 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 0 0 0 0 0 0 0 0 160.59.140.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Page 23 Next Page
Solution - VLSM Exercise # 10 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 45 Hosts 160.59.140.128 / 26 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 0 0 0 0 0 0 0 160.59.140.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 2 More - 28 Network bits - 4 Host bits - Magic Number = 16 14 Hosts 160.59.140.192 / 28 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 0 0 0 0 0 160.59.140.208 / 28 • 0 1 160.59.140.224 / 28 • 1 0 160.59.140.240 / 28 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 1 1 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 160.59.140.208 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 1 0 0 0 0 2 Hosts 160.59.140.212 / 30 • 0 1 2 Hosts 160.59.140.216 / 30 • 1 0 160.59.140.220 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 24
VLSM Exercise # 11 Page 25 137.24.48.0 / 23 137.24.51.16 / 30 137.24.51.0 / 30 137.24.50.224 / 27 137.24.51.12 / 30 137.24.50.192 / 27 137.24.51.4/ 30 137.24.50.128 / 26 137.24.51.8 / 30 137.24.50.0 / 25
Solution - VLSM Exercise # 11 137.24.48.0 / 21 Network: 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 23 Network bits - 9 Host bits - Magic Number = 2 498 Hosts 137.24.48.0 / 23 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 0 0 . 0 0 0 0 0 0 0 0 137.24.50.0 / 23 • 0 1 • 137.24.52.0 / 23 • 1 0 • 137.24.54.0 / 23 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 1 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 2 More - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 137.24.50.0 / 25 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 0 . 0 0 0 0 0 0 0 0 137.24.50.128 / 25 • 0 1 • 137.24.51.0 / 25 • 1 0 • 137.24.51.128 / 25 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 1 . 1 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 54 Hosts 137.24.50.128 / 26 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 0 . 1 0 0 0 0 0 0 0 137.24.50.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 25 Hosts 137.24.50.192 / 27 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 1 1 0 0 0 0 0 0 20 Hosts 137.24.50.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 26 Next Page
Borrow 3 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 137.24.51.0 / 30 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 1 . 0 0 0 0 0 0 0 0 2 Hosts 137.24.51.4 / 30 • 0 0 1 2 Hosts 137.24.51.8 / 30 • 0 1 0 2 Hosts 137.24.51.12 / 30 • 0 1 1 2 Hosts 137.24.51.16 / 30 • 1 0 0 • • • • • • 160.59.140.252 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 27

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Vlsm exercises solutions

  • 1.
  • 2.
    Solution - VLSMExercise # 1 Page 2 220.10.10.0 / 26 220.10.10.64 / 27
  • 3.
    Solution - VLSMExercise # 1 220.10.10.0 / 24 Network: 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 2 - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 220.10.10.0 / 26 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 220.10.10.64 / 26 • 0 1 220.10.10.128 / 26 • 1 0 220.10.10.192 / 26 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 1 1 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 220.10.10.64 / 27 1 1 0 1 1 1 0 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 1 0 1 0 . 0 1 0 0 0 0 0 0 220.10.10.96 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 3
  • 4.
    Solution - VLSMExercise # 2 Page 4 192.168.16.0 / 25 192.168.16.224 / 30 192.168.16.228 / 30 192.168.16.128 / 26 192.168.16.192 / 27
  • 5.
    Solution - VLSMExercise # 2 192.168.16.0 / 24 Network: 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 192.168.16.0 / 25 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 0 0 0 0 0 0 0 0 192.168.16.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 192.168.16.128 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 0 0 0 0 0 0 0 192.168.16.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 20 Hosts 192.168.16.192 / 27 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 0 0 0 0 0 0 192.168.16.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 3 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 192.168.16.224 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 1 0 0 0 0 0 2 Hosts 192.168.16.228 / 30 • 0 0 1 • • • • • • • • • 192.168.16.252 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 1 0 0 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 5
  • 6.
    Solution - VLSMExercise # 3 Page 6 192.168.1.112 / 30 192.168.1.116 / 30 192.168.1.0 / 26 192.168.1.64 / 27 192.168.1.96 / 28
  • 7.
    Solution - VLSMExercise # 3 192.168.1.0 / 24 Network: 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 2 - 26 Network bits - 6 Host bits - Magic Number = 64 55 Hosts 192.168.1.0 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 0 0 0 0 0 0 0 192.168.1.64 / 26 • 0 1 192.168.1.128 / 26 • 1 0 192.168.1.192 / 26 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 26 Hosts 192.168.1.64 / 27 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 1 0 0 0 0 0 0 192.168.1.96 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 1 More - 28 Network bits - 4 Host bits - Magic Number = 16 12 Hosts 192.168.1.96 / 28 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 0 1 1 0 0 0 0 0 192.168.1.112 /28 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 192.168.1.112 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 1 1 0 0 0 0 2 Hosts 192.168.1.116 / 30 • 0 1 192.168.1.120 / 30 • 1 0 192.168.1.124 / 30 1 1 0 0 0 0 0 0 . 1 0 1 0 1 0 0 0 . 0 0 0 0 0 0 0 1 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 7
  • 8.
    Solution - VLSMExercise # 4 Page 8 195.109.74.32 / 28 195.109.74.80 / 30 195.109.74.0 / 28 195.109.74.16 / 28 195.109.74.84 / 30 195.109.74.88 / 30 195.109.74.48 / 28 195.109.74.64 / 28
  • 9.
    Solution - VLSMExercise # 4 195.109.74.0 / 24 Network: 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 4 - 28 Network bits - 4 Host bits - Magic Number = 16 14 Hosts 195.109.74.0 / 28 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 14 Hosts 195.109.74.16 / 28 • 0 0 0 1 12 Hosts 195.109.74.32 / 28 • 0 0 1 0 10 Hosts 195.109.74.48 / 28 • 0 0 1 1 10 Hosts 195.109.74.64 / 28 • 0 1 0 0 195.109.74.80 / 28 • 0 1 0 1 195.109.74.96 / 28 • 0 1 1 0 • • • • • • • • • 195.109.74.240 / 28 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 1 1 1 1 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 195.109.74.80 / 30 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 1 0 1 0 0 0 0 2 Hosts 195.109.74.84 / 30 • 0 1 2 Hosts 195.109.74.88 / 30 • 1 0 195.109.74.92 / 30 1 1 0 0 0 0 1 1 . 0 1 1 0 1 1 0 1 . 0 1 0 0 1 0 1 0 . 0 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 9
  • 10.
    Solution - VLSMExercise # 5 Page 10 200.124.67.160 / 27 200.124.67.208 / 30 200.124.67.212 / 30 200.124.67.128 / 27 200.124.67.216 / 30 200.124.67.0 / 25 200.124.67.192 / 28
  • 11.
    Solution - VLSMExercise # 5 200.124.67.0 / 24 Network: 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 - 25 Network bits - 7 Host bits - Magic Number = 128 112 Hosts 200.124.67.0 / 25 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 0 0 0 0 0 0 0 200.124.67.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 2 More - 27 Network bits - 5 Host bits - Magic Number = 32 30 Hosts 200.124.67.128 / 27 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 0 0 0 0 0 0 0 25 Hosts 200.124.67.160 / 27 • 0 1 200.124.67.192 / 27 • 1 0 200.124.67.224 / 27 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 1 1 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 1 More - 28 Network bits - 4 Host bits - Magic Number = 16 10 Hosts 200.124.67.192 / 28 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 1 1 0 0 0 0 0 0 200.124.67.208 / 28 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 200.124.67.208 / 30 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 1 0 1 0 0 0 0 2 Hosts 200.124.67.212 / 30 • 0 1 2 Hosts 200.124.67.216 / 30 • 1 0 200.124.67.220 / 30 1 1 0 0 1 0 0 0 . 0 1 1 1 1 1 0 0 . 0 1 0 0 0 0 1 1 . 0 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 11
  • 12.
    Solution - VLSMExercise # 6 Page 12 172.16.8.0 / 24 172.16.9.0 / 24 172.16.10.192 / 30 172.16.10.196 / 30 172.16.10.200 / 30 172.16.10.204 / 30 172.16.10.0 / 25 172.16.10.128 / 26
  • 13.
    Solution - VLSMExercise # 6 172.16.8.0 / 22 Network: 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 24 Network bits - 8 Host bits - Magic Number = 256 210 Hosts 172.16.8.0 / 24 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 0 0 . 0 0 0 0 0 0 0 0 195 Hosts 172.16.9.0 / 24 • 0 1 • 172.16.10.0 / 24 • 1 0 • 172.16.11.0 / 24 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 1 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 95 Hosts 172.16.10.0 / 25 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 0 0 0 0 0 0 0 0 172.16.10.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 52 Hosts 172.16.10.128 / 26 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 0 0 0 0 0 0 0 172.16.10.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 4 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 172.16.10.192 / 30 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 1 0 0 0 0 0 0 2 Hosts 172.16.10.196 / 30 • 0 0 0 1 2 Hosts 172.16.10.200 / 30 • 0 0 1 0 2 Hosts 172.16.10.204 / 30 • 0 0 1 1 • • • • • • 172.16.10.252 / 30 1 0 1 0 1 1 0 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 1 1 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 13
  • 14.
    Solution - VLSMExercise # 7 Page 14 190.12.40.0 / 25 190.12.40.128 / 25 190.12.41.0 / 26 190.12.41.64 / 26 190.12.41.128 / 27 190.12.41.160 / 30 190.12.41.164 / 30 190.12.41.168 / 30
  • 15.
    Solution - VLSMExercise # 7 190.12.40.0 / 23 Network: 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 25 Network bits - 7 Host bits - Magic Number = 128 125 Hosts 190.12.40.0 / 25 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 0 . 0 0 0 0 0 0 0 0 90 Hosts 190.12.40.128 / 25 • 0 . 1 190.12.41.0 / 25 • 1 . 0 190.12.41.128 / 25 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 190.12.41.0 / 26 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 0 0 0 0 0 0 0 0 50 Hosts 190.12.41.64 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 190.12.41.128 / 27 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 0 0 0 0 0 0 190.12.41.160 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Borrow 3 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 190.12.41.160 / 30 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 1 0 0 0 0 0 2 Hosts 190.12.41.164 / 30 • 0 0 1 2 Hosts 190.12.41.168 / 30 • 0 1 0 190.12.41.172 / 30 • 0 1 1 • • • • • • 190.12.41.252 / 30 1 0 1 1 1 1 1 0 . 0 0 0 0 1 1 0 0 . 0 0 1 0 0 1 0 1 . 1 0 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 15
  • 16.
    Solution - VLSMExercise # 8 Page 16 134.14.8.0 / 23 134.14.11.0 / 25 134.14.10.0 / 24 134.14.11.128 / 26 134.14.11.192 / 30 134.14.11.196 / 30 134.14.11.200 / 30
  • 17.
    Solution - VLSMExercise # 8 134.14.8.0 / 22 Network: 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 1 - 23 Network bits - 9 Host bits - Magic Number = 2 500 Hosts 134.14.8.0 / 23 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 134.14.10.0 / 23 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 150 Hosts 134.14.10.0 / 24 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 134.14.11.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 134.14.11.0 / 25 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 1 . 0 0 0 0 0 0 0 0 134.14.11.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 60 Hosts 134.14.11.128 / 26 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 1 1 . 1 0 0 0 0 0 0 0 134.14.11.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Page 17 Next Page
  • 18.
    Solution - VLSMExercise # 8 Borrow 4 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 134.14.11.192 / 30 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 1 1 0 0 0 0 0 0 2 Hosts 134.14.11.196 / 30 • 0 0 0 1 2 Hosts 134.14.11.200 / 30 • 0 0 1 0 134.14.11.204 / 30 • 0 0 1 1 • • • • • • 134.14.11.252 / 30 1 0 0 0 0 1 1 0 . 0 0 0 0 1 1 1 0 . 0 0 0 0 1 0 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 18
  • 19.
    Solution - VLSMExercise # 9 Page 19 64.64.20.0 / 23 64.64.23.192 / 27 64.64.22.0 / 24 64.64.23.244 / 30 64.64.23.128 / 26 64.64.23.0 / 25 64.64.23.224 / 29 64.64.23.232 / 30 64.64.23.236 / 30 64.64.23.240 / 30
  • 20.
    Solution - VLSMExercise # 9 64.64.20.0 / 22 Network: 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 . 0 0 0 0 0 0 0 0 Borrow 1 - 23 Network bits - 9 Host bits - Magic Number = 2 420 Hosts 64.64.20.0 / 23 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 0 0 0 0 0 0 0 0 64.64.22.0 / 23 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 130 Hosts 64.64.22.0 / 24 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 1 0 . 0 0 0 0 0 0 0 0 64.64.23.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 100 Hosts 64.64.23.0 / 25 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 1 1 . 0 0 0 0 0 0 0 0 64.64.23.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 38 Hosts 64.64.23.128 / 26 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 0 0 0 0 0 0 0 64.64.23.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 28 Hosts 64.64.23.192 / 27 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 0 0 0 0 0 0 64.64.23.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 20 Next Page
  • 21.
    Solution - VLSMExercise # 9 Borrow 2 More - 29 Network bits - 3 Host bits - Magic Number = 8 6 Hosts 64.64.23.224 / 29 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 0 0 0 0 0 64.64.23.232 / 29 • 0 1 64.64.23.240 / 29 • 1 0 64.64.23.248 / 29 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 1 1 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 Borrow 1 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 64.64.23.232 / 30 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 0 1 0 0 0 2 Hosts 64.64.23.236 / 30 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Borrow 1 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 64.64.23.240 / 30 0 1 0 0 0 0 0 0 . 0 1 0 0 0 0 0 0 . 0 0 0 1 0 1 0 0 . 1 1 1 1 0 0 0 0 2 Hosts 64.64.23.244 / 30 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 21
  • 22.
    Solution - VLSMExercise # 10 Page 22 160.59.128.0 / 21 160.59.136.0 / 23 160.59.138.0 / 24 160.59.139.0 / 24 160.59.140.0 / 25 160.59.140.208 / 30 160.59.140.212 / 30 160.59.140.216 / 30 160.59.140.128 / 26 160.59.140.192 / 28
  • 23.
    Solution - VLSMExercise # 10 160.59.128.0 / 19 Network: 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 21 Network bits - 11 Host bits - Magic Number = 8 2000 Hosts 160.59.128.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 0 0 0 0 0 0 0 0 160.59.136.0 / 21 • 0 1 • 160.59.144.0 / 21 • 1 0 • 160.59.152.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 More - 23 Network bits - 9 Host bits - Magic Number = 2 500 Hosts 160.59.136.0 / 23 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 0 0 0 . 0 0 0 0 0 0 0 0 160.59.138.0 / 21 • 0 1 • 160.59.140.0 / 21 • 1 0 • 160.59.144.0 / 21 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 1 More - 24 Network bits - 8 Host bits - Magic Number = 256 230 Hosts 160.59.138.0 / 24 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 0 1 0 . 0 0 0 0 0 0 0 0 150 Hosts 160.59.139.0 / 24 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 0 0 0 0 0 0 0 0 Borrow 1 More - 25 Network bits - 7 Host bits - Magic Number = 128 75 Hosts 160.59.140.0 / 25 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 0 0 0 0 0 0 0 0 160.59.140.128 / 25 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Page 23 Next Page
  • 24.
    Solution - VLSMExercise # 10 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 45 Hosts 160.59.140.128 / 26 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 0 0 0 0 0 0 0 160.59.140.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 2 More - 28 Network bits - 4 Host bits - Magic Number = 16 14 Hosts 160.59.140.192 / 28 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 0 0 0 0 0 160.59.140.208 / 28 • 0 1 160.59.140.224 / 28 • 1 0 160.59.140.240 / 28 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 1 1 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 0 0 0 0 Borrow 2 More - 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 160.59.140.208 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 1 0 0 0 0 2 Hosts 160.59.140.212 / 30 • 0 1 2 Hosts 160.59.140.216 / 30 • 1 0 160.59.140.220 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 0 0 0 0 . 1 1 0 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 24
  • 25.
    VLSM Exercise #11 Page 25 137.24.48.0 / 23 137.24.51.16 / 30 137.24.51.0 / 30 137.24.50.224 / 27 137.24.51.12 / 30 137.24.50.192 / 27 137.24.51.4/ 30 137.24.50.128 / 26 137.24.51.8 / 30 137.24.50.0 / 25
  • 26.
    Solution - VLSMExercise # 11 137.24.48.0 / 21 Network: 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 0 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 0 0 0 . 0 0 0 0 0 0 0 0 Borrow 2 - 23 Network bits - 9 Host bits - Magic Number = 2 498 Hosts 137.24.48.0 / 23 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 0 0 . 0 0 0 0 0 0 0 0 137.24.50.0 / 23 • 0 1 • 137.24.52.0 / 23 • 1 0 • 137.24.54.0 / 23 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 1 1 0 . 0 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 0 . 0 0 0 0 0 0 0 0 Borrow 2 More - 25 Network bits - 7 Host bits - Magic Number = 128 120 Hosts 137.24.50.0 / 25 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 0 . 0 0 0 0 0 0 0 0 137.24.50.128 / 25 • 0 1 • 137.24.51.0 / 25 • 1 0 • 137.24.51.128 / 25 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 1 . 1 0 0 0 0 0 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 0 0 0 0 0 0 0 Borrow 1 More - 26 Network bits - 6 Host bits - Magic Number = 64 54 Hosts 137.24.50.128 / 26 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 0 . 1 0 0 0 0 0 0 0 137.24.50.192 / 26 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 0 0 0 0 0 0 Borrow 1 More - 27 Network bits - 5 Host bits - Magic Number = 32 25 Hosts 137.24.50.192 / 27 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 1 1 0 0 0 0 0 0 20 Hosts 137.24.50.224 / 27 1 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 0 0 0 0 0 Page 26 Next Page
  • 27.
    Borrow 3 More- 30 Network bits - 2 Host bits - Magic Number = 4 2 Hosts 137.24.51.0 / 30 1 0 0 0 1 0 0 1 . 0 0 0 1 1 0 0 0 . 0 0 1 1 0 0 1 1 . 0 0 0 0 0 0 0 0 2 Hosts 137.24.51.4 / 30 • 0 0 1 2 Hosts 137.24.51.8 / 30 • 0 1 0 2 Hosts 137.24.51.12 / 30 • 0 1 1 2 Hosts 137.24.51.16 / 30 • 1 0 0 • • • • • • 160.59.140.252 / 30 1 0 1 0 0 0 0 0 . 0 0 1 1 1 0 1 1 . 1 0 0 0 1 1 0 0 . 1 1 1 1 1 1 0 0 Subnet Mask: 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 1 1 . 1 1 1 1 1 1 0 0 Page 27