How does the EIGRP metric calculation differ from OSPF’s metric?
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Correct answer: The EIGRP metric is calculated based on bandwidth and delay. The OSPF metric is calculated on bandwidth only..
Why this is the answer
EIGRP's composite metric by default uses bandwidth and delay, though reliability and load can also be included. The formula for the EIGRP metric is 256 (Bandwidth + Delay), where Bandwidth is (10^7 / minimum bandwidth in Kbps) and Delay is (sum of delays in tens of microseconds). OSPF's metric, known as cost, is calculated based on bandwidth. The OSPF cost formula is Reference Bandwidth / Interface Bandwidth, with a default reference bandwidth of 100 Mbps. Therefore, EIGRP considers both bandwidth and delay by default, while OSPF primarily considers bandwidth.
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