EIGRP is an IP routing protocol that attempts to solve many of the problems experienced by standards-based solutions. As a proprietary protocol, it has the freedom to create a very specific product that works well with the technology that the company produces. After a troubled childhood, EIGRP has proved itself an excellent solution for large corporations that need a routing protocol that will scale. With the use of redistribution, which will be dealt with in a future chapter, it can be integrated into a multivendor network. The functionality of using EIGRP as the routing protocol for desktop networks, such as AppleTalk or IPX, has diminished in importance as IP has risen in popularity as the protocol of choice.
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