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What Is The Difference In Metric Calculation Between Eigrp And Igrp? |
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Answer» The EIGRP metric is obtained when you multiply the IGRP metric of 256. The IGRP uses only 24 bits in its update PACKET for the metric field, but 32 BIT is used by EIGRP in its update packet for the metric field. E.g the IGRP metric to a destination network is 8586, but the EIGRP metric will be 8586 x 256 = 2,198,016. Integer DIVISION is used when we divide 10^7 by lowest BW, so the calculation involves division of integer, which MAY LEADS to a variation from manual calculation. The EIGRP metric is obtained when you multiply the IGRP metric of 256. The IGRP uses only 24 bits in its update packet for the metric field, but 32 bit is used by EIGRP in its update packet for the metric field. E.g the IGRP metric to a destination network is 8586, but the EIGRP metric will be 8586 x 256 = 2,198,016. Integer division is used when we divide 10^7 by lowest BW, so the calculation involves division of integer, which may leads to a variation from manual calculation. |
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