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# Network Map

You can visualize the network topology of a system monitored by Sematext monitoring and logging service. It can discover hosts and collect information about communication between them, such as the amount of received/transmitted data on each port. In order to build this NetMap the Network Monitoring Agent needs to be started on each host in the system. This can be done by setting netmon.enabled property to true in /opt/spm/properties/st-agent.yml. By default this property is disabled.

The following properties can be changed:

• netmon.interfaces(default value: eth0,eth1) - the list of network interfaces that will be used for packets capture.

SPM monitor should be restarted to apply any changes in YAML file:

sudo service spm-monitor restart