QoS on Cisco Routers refers to the set of Quality of Service features used to manage and prioritize network traffic across routed networks. It helps ensure that critical applications like voice, video, and real-time services receive higher priority over less sensitive traffic. Cisco routers use mechanisms such as traffic classification, marking, queuing, shaping, and policing to control bandwidth usage. These configurations reduce congestion, latency, and packet loss in enterprise and WAN environments. QoS on Cisco Routers ensures efficient utilization of network resources and consistent application performance. It is widely used to maintain reliable communication in complex network infrastructures.
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