So you need to install both of these systems to get network discovery and monitoring.
Network map discovery open source.
The rddtool system is also open source and free to use.
Graphical network monitoring and documentation tool.
Nmap is a free and open source network mapping tool that uses ip packets to determine what hosts are on the network what services are offered by those hosts and identify operating systems firewalls and other information.
Cacti is a free open source system that was created to provide a front end to the data gathering rddtools.
Nmap is quite a popular free open source network mapping software for windows.
Many systems and network administrators also find it useful for tasks such as network inventory managing service upgrade schedules and monitoring host or service uptime.
The solarwinds network topology mapper includes on demand device discovery and automated mapping.
It is basically a command line utility but it provides a gui too called zenmap using it you can scan devices connected in a network and view networks map.
The cacti package includes a set of graph templates.
Network discovery determines which ports are in use and which ports are open on each device.
One of the most useful adages for security professionals is know thyself and when it comes to network security the most fundamental task of knowing oneself is network discovery and mapping.
One of the products that allow network discovery and mapping is spiceworks inventory.
You can customize a user interface by.
Using network discovery to map the ports on your network can help ensure unnecessary ports are kept closed to prevent access by an intruder.
This tool scans your network and creates an inventory of all the connected devices including software.
If a device has open ports that aren t necessary for the device to be used this could be a security issue.
Nagios core is the free and open source version that can monitor your infrastructure networks and servers and send alerts when there s an issue.
This gives you a great starting point if you are adding to an existing network.
Jnetmap is a graphical network monitoring and documentation tool.
Intermapper maps show a color coded status of network equipment and animate live traffic flow to give you at a glance information on your network health that few products.
You can choose whether the discovery procedure uses snmp or icmp ping and traceroute to locate devices.
It is used for various tasks like network discovery security auditing network inventory monitoring hosts etc.
Nmap network mapper is a free and open source utility for network discovery and security auditing.
It can also identify network infrastructure through wmi and cdp cisco discovery protocol methods.