The Simple Network Management Protocol (SNMP) is a protocol used to monitor and manage network devices. It allows administrators to collect information about a device’s status, configuration, and performance. SNMP is a widely used protocol, and it is supported by a wide range of devices, including routers, switches, servers, and printers.
To check if SNMP is working, you can use the snmpwalk command. This command will query a device for a specific MIB (Management Information Base) object. If the device is responding to SNMP requests, the snmpwalk command will return the value of the MIB object.