What is Route-maps?

Route maps are a powerful feature used in networking, primarily with routing protocols like BGP, OSPF, and EIGRP, as well as policy-based routing (PBR). They act as filters or policy engines, allowing network administrators to control the redistribution of routes, modify route attributes (such as metric, next-hop, or community), and implement custom routing policies. Route maps consist of a sequence of 'match' and 'set' statements. 'Match' statements define the criteria a route must meet to be considered for the policy. 'Set' statements define the actions to be taken on routes that match the criteria. Route maps provide a flexible and granular way to manipulate routing behavior and enforce specific routing policies within a network.