TP-Link T2500G-10MPS T2500G-10MPSUN V1 Configuration Guide - Page 727
Maintenance, Overview, Supported Features, System Monitor, Device Diagnose, Network Diagnose
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Configuring Maintenance 1 Maintenance Maintenance 1.1 Overview The maintenance module assembles various system tools for network troubleshooting. 1.2 Supported Features The maintenance module includes system monitor, log, device diagnose, network diagnose and DLDP. System Monitor You can monitor the memory and the CPU utilizations of the switch. Log You can check system messages for debugging and network management. Device Diagnose You can test the cable connection status, cable length and error length for troubleshooting. Network Diagnose The network diagnose function includes Ping test and Tracert test. With them, you can test the connectivity between the switch and one node of the network, or the connectivity of the gateways on the path from the source to the destination. DLDP DLDP (Device Link Detection Protocol) is a Layer 2 protocol that enables devices connected through fiber or twisted-pair Ethernet cables to detect whether a unidirectional link exists. When a unidirectional link appears, the local device can receive packets from the peer device through the link layer, but the peer device cannot receive packets from the local device. Unidirectional links can cause a variety of problems, such as spanning-tree topology loops. Once detecting a unidirectional link, DLDP can shut down the related port automatically or inform users. Configuration Guide 700
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