Chapter 9. Understanding EIGRP Concepts
This chapter takes an in-depth look at a second option for an IPv4 routing protocol: the Enhanced Interior Gateway Routing Protocol, or EIGRP. This Cisco-proprietary routing protocol uses configuration commands much like Open Shortest Path First (OSPF), with the primary difference being that EIGRP configuration does not need to refer to an area. However, EIGRP does not use link-state (LS) logic, instead using some advanced distance vector (DV) logic. So, this chapter discusses quite a bit of detail about how routing protocols work and how EIGRP works before moving on to EIGRP configuration.
This chapter breaks the topics into two major sections. The first looks at the details of how DV routing protocols ...
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