Issues and Traffic Scheduling Problems refer to challenges in managing how network traffic is prioritized and transmitted across routers and switches. These problems occur when scheduling mechanisms fail to allocate bandwidth fairly or efficiently among different types of traffic. Common issues include improper queue configuration, incorrect priority settings, and uneven traffic distribution. This can lead to congestion, increased latency, jitter, and packet loss, especially for real-time applications like voice and video. Network administrators analyze QoS policies and scheduling algorithms to identify bottlenecks and misconfigurations. Proper traffic scheduling ensures smooth data flow, optimized resource usage, and consistent network performance in enterprise environments.