Write EIGRP configurations for routers A, B, and C in Figure 8.54. Use process ID 5
The serial interfaces connecting routers A and B in Figure 8.54 are both S0. Configure authentication between these two routers, using the first key 2 days from today's date. Configure a second key to be used beginning 30 days after the first key.
Router D is added in Figure 8.55. Add this router to the configurations written in Configuration Exercise 3.
Router E has been added in Figure 8.56 and is running IGRP only. Add this router to the configurations written in Configuration Exercises 3 and 4.
Router F has been added in Figure 8.57. Configure this router to run EIGRP with the routers configured in Configuration Exercises 3, 4, and 5.
Configure route summarization wherever possible in the internetwork of Figure 8.57.