Verifying EIGRP Core Features

ImageVerifying Routing is Enabled

Like OSPF, EIGRP uses three tables to match its three major blocks of logic: a neighbor table, a topology table, and the IPv4 routing table. But before EIGRP even attempts to build these tables, IOS must connect the configuration logic to its local interfaces. Once enabled on an interface, a router can then start to build its three tables.

The next several pages walk through the verification steps to confirm a working internetwork that uses EIGRP. Figure 10-2 shows the progression of concepts from top to bottom on the left, with a reference for the various show commands on the right. The ...

Get Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.