Evaluating SNMP Protocol for Monitoring and Restoring Device Access using RAD Method

Abstract

This study proposes a hybrid network monitoring system that integrates Simple Network Management Protocol (SNMP), Neighbor Discovery, and MAC-Telnet mechanisms to improve device monitoring and recovery capabilities. Experimental evaluation was conducted through six testing scenarios, including network scanning, device discovery, interface monitoring, and connectivity recovery. The system successfully discovered 36 network devices in less than 2 minutes, demonstrating a significant improvement compared to conventional sequential scanning methods that required approximately 45 minutes, representing about a 96% reduction in discovery time. The monitoring module also demonstrated high responsiveness in detecting network changes. Interface status monitoring consistently identified physical port state changes within 10–15 seconds, enabling faster detection of connectivity issues and improving real-time network visibility. These results indicate that the proposed system provides efficient monitoring performance suitable for network laboratory environments. Furthermore, the hybrid discovery and self-healing mechanism enabled device recovery even when Layer-3 connectivity was lost due to invalid IP configurations. By utilizing Neighbor Discovery and MAC-Telnet at Layer-2, the system allowed administrators to remotely restore device configurations without physical intervention. Across all six experimental scenarios, the proposed architecture achieved a 100% operational success rate, confirming its reliability and effectiveness for resilient network monitoring and management.