Appendix F. Solutions to Troubleshooting Exercises

Chapter 1

1

Subnet: 10.14.64.0

Host Addresses: 10.14.64.1–10.14.95.254

Broadcast: 10.14.95.255

Subnet: 172.25.0.224

Host Addresses: 172.25.0.225–175.25.0.254

Broadcast: 172.25.0.255

Subnet: 172.25.16.0

Host Addresses: 172.25.16.1–172.25.16.126

Broadcast: 172.25.16.127

2

192.168.13.175/28 is the broadcast address of subnet 192.168.13.160/28.

Chapter 3

1

Subnet 192.168.1.64/27 will no longer be reachable from Piglet. Subnets 10.4.6.0/24 and 10.4.7.0/24 are also no longer reachable from Piglet.

2

Mistakes occur in the following:

  • RTA, the second entry, should be ip route 172.20.80.0 255.255.240.0 172.20.20.1

  • RTB, the third entry, should be ip route 172.20.208.0 255.255.240.0 172.20.16.50

  • RTC, the second entry, should ...

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