If a device has open ports that aren t necessary for the device to be used this could be a security issue.
Network map discovery open source.
This tool scans your network and creates an inventory of all the connected devices including software.
Graphical network monitoring and documentation tool.
The solarwinds network topology mapper includes on demand device discovery and automated mapping.
It is used for various tasks like network discovery security auditing network inventory monitoring hosts etc.
It will ping all registered devices every x minutes updating the status according to the result of the ping.
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.
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.
This gives you a great starting point if you are adding to an existing network.
Using network discovery to map the ports on your network can help ensure unnecessary ports are kept closed to prevent access by an intruder.
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.
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.
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.
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.
Nmap is quite a popular free open source network mapping software for windows.
So you need to install both of these systems to get network discovery and monitoring.
Cacti is a free open source system that was created to provide a front end to the data gathering rddtools.
It can also identify network infrastructure through wmi and cdp cisco discovery protocol methods.
One of the products that allow network discovery and mapping is spiceworks inventory.
You can choose whether the discovery procedure uses snmp or icmp ping and traceroute to locate devices.
Hierarchical mapping allows you to visualize the status of the whole network on a top level map while drilling in to specific sub maps by office location floor closet etc.
Nmap network mapper is a free and open source utility for network discovery and security auditing.
Jnetmap is a graphical network monitoring and documentation tool.
Download jnetmap for free.