Configuration Exercises

1: Write configurations for the six routers in Figure 5.18 to route to all subnets via RIP.

Figure 5.18. The internetwork for Configuration Exercises 1 through 4.

Figure 5.18. The internetwork for Configuration Exercises 1 through 4.

2: Change the configurations of Configuration Exercise 1 so that RIP updates are unicast between RTC and RTD, instead of broadcast.

3: The bandwidth of the serial link between RTC and RTD in Figure 5.18 is very limited. Configure RIP to send updates across this link every two minutes. Carefully consider what timers must be changed and on what routers the timers must be changed.

4: A policy has been established that dictates that network 192.168.4.0 should be unreachable from RTA and that network 192.168.5.0 should be unreachable from RTB. Use one or more offset lists to implement this policy.

5: According to the section, "Classful Routing: Directly Connected Subnets," subnet masks within a major, class-level network must be consistent. The section does not, however, say that subnet masks within a major, class-level network must be identical. The RIP configuration for both routers in Figure 5.19 follows.

Figure 5.19. The internetwork for Configuration Exercise 5.

Figure 5.19. The internetwork for Configuration Exercise 5.

router rip network 192.168.20.0

Will packets be routed correctly in this small internetwork? Explain why or why not.

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