This guide provides a step-by-step troubleshooting framework focusing on Cisco Catalyst switches (notably the 9300 and 2960 series), covering error categories, CLI commands, model-specific insights, and preventive measures. Few issues are as disruptive to a surveillance network as security cameras that randomly disconnect, go offline, and reboot. When multiple cameras power cycle concurrently or drop feeds sequentially, the culprit is almost always the Power over Ethernet (PoE) switch. A rebooting camera means. Has any experienced and resolved Ubiquiti APs randomly rebooting? Ubiquiti APs are generally pretty trouble-free in my experience. If they're rebooting I'd suspect PoE problems first. If connected to a PoE switch, try moving one to an injector or vice versa. Rodents and. Answer first: troubleshoot PoE in order: identify the exact switch, port, PD, cable, software, and power supply; inspect budget, detection, classification, interface state, logs, and cabling; reproduce with known-good components; then escalate only with preserved evidence. Insufficient Power Delivery. Hello everyone, I have a managed SG350-10P POE switch. I can't access the switch via the web interface because since it reboots and loses connection. It powers on, begins its startup sequence, gets partway through — then restarts. Boot loops can be caused by hardware faults, power issues, network.
