Review Questions

1: Which UDP port number is used to access IGRP?
2: What is the maximum IGRP internetwork diameter, in hops?
3: What is the default update period for IGRP?
4: Why does IGRP specify an autonomous system number?
5: Referring to Figure 6.11, will the router McCloy advertise 192.168.1.0 as an interior, system, or external route? Similarly, as what type of route will Acheson advertise 172.16.0.0?
6: What is the default IGRP holddown time?
7: Which variables can IGRP use to calculate its composite metric?
8: How many entries can be carried within a single IGRP update packet?

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