SNMP is the de facto standard for gathering information from network devices. Many different devices from many different vendors support SNMP as a management protocol.
OpenBSD includes an SNMP agent,
snmpd(8), which supports all of the usual SNMP functions, and also offers visibility into OpenBSD-specific features such as packet filtering.
SNMP works according to the standard client/server model. The SNMP client (usually a server performing network management or monitoring) queries the SNMP server (or agent) running on a network device. The SNMP agent,
snmpd, gathers information from the local system and returns it to the client.
In traditional SNMP, an SNMP client with the correct privileges can also request that the SNMP ...