Router R1 has learned two EIGRP routes to the same destination network. Both routes have identical administrative distances and prefix lengths. One route is via a path with Ethernet links, and the other is via a path with slower serial links. Which route will Router R1 prefer for its routing table?
The route via the serial links
The route via the Ethernet links
Both routes will be installed in the routing table
Router R1 will prefer the route via the Ethernet links. Enhanced Interior Gateway Routing Protocol (EIGRP) calculates its metric based on bandwidth and delay. Ethernet links typically have higher bandwidth and lower delay compared to serial links, resulting in a lower overall EIGRP metric. The router selects the route with the lowest metric value. It will not install both routes because their metrics are not equal, and it will not load-balance between them unless the metrics are the same.
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Why does Ethernet have a lower EIGRP metric compared to serial links?
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Cisco CCNA 200-301
IP Connectivity
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