Explain the concepts of IGRP(Interior gateway protocol). Explain how it worksInterior Gateway Routing Protocol is the proprietary protocol developed by CISCO for addressing the issues associated with routing in large and heterogeneous networks. Bandwidth, reliability, delay, maximum packet size and load are factors for calculating routing metric using mathematical formula. The smallest calculated metric is considered as the least-cost path. Split horizons and hold-downs concepts are implemented for addressing looping loop issues.
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