Review

1:Why is it difficult to change addresses after they've been assigned?
2:Why is address allocation so closely tied to network stability?
3:What are the goals you should keep in mind when allocating addresses?
4:What does it mean to say that summarization hides topology details?
5:How does hiding topology details improve stability?
6:Where should summarization take place?
7:What is the one case where access layer devices should be passed more than a default route? Why?
8:An IP address can be divided into two parts; what are they?
9:What is the prefix length of a network?
10:Find the longest prefix summary for these addresses.
  • Set A: 172.16.1.1/30, 172.16.1.5/30, 172.16.1.9/30, 172.16.1.14/30

  • Set B: 10.100.40.14/24, 10.100.34.56/24, 10.100.59.81/24 ...

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