Summary
Although RIPV1 has limited capabilities, it is not yet obsolete. A large number of networks still run legacy RIP on their networks because, for one reason, migrating to another protocol would be a major effort for the network administrator. Another of RIP's limitations is its infinity of 16 hops. This means that the dimension of the network cannot exceed 15 hops.
When you are designing a large network, RIP should never be the core routing protocol, unless the network has a large hub and spoke setup that is capable of accepting it.
There are currently many other interior gateway protocols, including OSPF, IS-IS, and Enhanced IGRP. These protocols, as you will learn in other chapters, all scale to a much larger extent than RIP, so they ...
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