4.13. Configure, verify, and troubleshoot EIGRP
There are two modes from which EIGRP commands are entered: router configuration mode and interface configuration mode. Router configuration mode enables the protocol, determines which networks will run EIGRP, and sets global characteristics. Interface configuration mode allows customization of summaries, metrics, timers, and bandwidth.
To start an EIGRP session on a router, use the router eigrp command followed by the autonomous system number of your network. You then enter the network numbers connected to the router using the network command followed by the network number.
Let's look at an example of enabling EIGRP for autonomous system 20 on a router connected to two networks, with the network ...
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