Protocol SNMP and port 161
SNMP
SNMP is the most widely used protocol for network monitoring
To monitor network devices, you can use spiceworks or 10-Strike Network Monitor. To monitor internet activities, I would recommend WFilter Enterprise.
A network traffic analyzer is used for analyzing and monitoring the use of network traffic for many devices. Network Traffic Analyzer is also used to monitor the wireless network performance.
Network Management Systems comprise a suite of software and network tools to monitor the status of devices on the network, and optionally manage those devices or fix issues that have come up.The main IP "protocol" (tool) that is used for network management is referred to as SNMP or Simple Network Management Protocol. Network devices--including servers, printers, computers, routers, hubs/switches, and a host of other devices--all have SNMP either built-in for enabling and configuring, or can be equipped with SNMP through some sort of installation process.Tivoli NetView from IBM is an example of a long-standing network management platform.Note that network management software is necessary only for medium to very large businesses with many hundreds or thousands of devices and is therefore traditionally very expensive.
Network management systems is referred to the combinations of hardwares and softwares used to monitor and administer a computer network or networks. It manages the network elements, also called managed devices.
161 UDP and TCP snmp is a network management systems to monitor network-attached devices for conditions that warrant administrative attention
Network inventory systems allow one to keep track of devices connected to a particular network. It allows one to manage their computer network and potentially reduce downtime.
Op Manager is a robust network performance software monitor that is available on the web. It was developed by Manage Engine. Tech Republic also provides a review Microsoft's resource monitoring tool.
Alert Monitor
Alert Monitor
Network management systems is referred to the combinations of hardwares and softwares used to monitor and administer a computer network or networks. It manages the network elements, also called managed devices.