Problem RIP Updates Are Not Going Across the Dialer Interface Cause Missing broadcast Keyword in a dialer map Statement

When a dialer interface (ISDN, for example) comes up, you might want to run a routing protocol over this link. Static routes might do the job, but in networks with a large number of routes, static routes might not scale. Therefore, running a dynamic routing protocol such as RIP is necessary. In some situations, the ISDN link might be up, but no routing informa-tion is going across. Without a routing protocol, no destination addresses can be learned and no traffic can be sent to those destinations. This problem must be fixed because the ISDN interface is of no use when it is not carrying any traffic.

Figure 3-46 shows the flowchart to follow to solve this problem based on this cause.

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