Hybrid—EIGRP
The Enhanced Interior Gateway Routing Protocol (EIGRP) was developed by Cisco as an extension of its IGRP protocol. IGRP is a distance vector protocol similar to RIP, but with more metrics and faster convergence along with CIDR support, VLSM, and automatic route summarization. EIGRP is called a hybrid protocol because is uses metrics from both distance vector protocols and link state protocols.
Configuration of EIGRP on a Cisco router is similar to enabling other routing processes. All that needs to be done to start EIGRP on a Cisco router is to define an EIGRP routing process.
Process IDs
The command to define an EIGRP routing process on a Cisco router is
router eigrp <autonomous system number>
Once the EIGRP process has ...
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