Remote Monitoring (RMON) is a crucial enhancement of SNMP. RMON can effectively reduce the requirements on network bandwidth, implement incremental analysis on network data, and reduce the workload of network management stations and the network. The main function of RMON management is to implement RMON management for devices based on the monitoring and configuration functions of statistics, history, alarm and event groups defined in RMON-MIB in RFC 1757 and specific alarm extension MIB. The RMON management in the network element manager provides RMON statistics group management, RMON history group management, RMON alarm group management, RMON event group management, RMON extension alarm group management and RMON logs displaying functions.