EIGRP Convergence
Another compelling reason to choose EIGRP as an IGP has to do with EIGRP’s much better convergence time as compared with RIP. EIGRP converges more quickly than RIP in all cases, and in some cases, EIGRP converges much more quickly.
For perspective, with RIPv2 in normal operation, convergence could take several minutes. During those minutes, some user traffic was not delivered to the correct destination, even though a physical path existed. With EIGRP, those same worst cases typically experience convergence of less than a minute, often less than 20 seconds, with some cases taking a second or two.
EIGRP does loop avoidance completely differently than RIP by keeping some basic topological information. The EIGRP topology database ...
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