Question: Consider the topology shown in Figure 4.20. Denote the three subnets with hosts (starting clockwise at 12:00) as Networks A, D, and C. Denote the

Consider the topology shown in Figure 4.20. Denote the three subnets with hosts (starting clockwise at 12:00) as Networks A, D, and C. Denote the subnets without hosts as Networks D, E, and F.

a. Assign network addresses to each of these six subnets, with the following constraints: All addresses must be allocated from 214.97.254/23: Subnet A should have enough addresses to support 250 interfaces: Subnet B should have enough addresses to support 120 interfaces; and Subnet C should have enough addresses to support 120 interfaces. Of course, subnets D, E and F should each be able to support two interfaces. For each subnet. The assignment should take the form a.b.c.d/x or a.b.c.d/x €“ e.f.g.h/y.

b. Using your answer to part (a), provide the forwarding tables (using longest prefix matching) for each of the three routers.

Figure 4.20

223.1.1.4 223.1.1.1 223.1.1.3 RT -223.1.7.0 223.1.9.2- 223.1.7.1 223.1.9.1 R3 R2 223.1.2.6- 223.1.8.0- 223.1.8.1 -223.1.3.27 223.1.3.2 223.1.3.1 223.1.2.2 223.1.2.1

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