IPCisco on Instagram: "Cisco Port Security Configuration!! | IPCisco.com . Port security is a network feature on switches that controls access by limiting which devices (based on their MAC addresses) can connect to a port, preventing unauthorized users from joining the network, by allowing only specific MACs or a set number of MACs, and taking action (like shutting down the port) on violations to protect against threats like MAC spoofing. It’s configured per port and enhances network security in