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Routing Loop Definition: A routing loop refers to a network issue where data packets circulate continuously between two or more routers due to inconsistent routing information, causing network congestion and potential data packet loss.
Routing Loop: In networking, a routing loop occurs when a packet is continuously circulated within a network due to incorrect routing information. This can result in excessive bandwidth consumption, delays in packet delivery, and ultimately network instability. Routing loops are typically prevented by implementing mechanisms such as split horizon, route poisoning, and hold-down timers in routing protocols like OSPF and EIGRP.