If community string is 'public', SNMP protocol version is '2c', the IP address of the device is '192.168.20.113' and you wish to read the ' sysDescr' object (OID: iso.3.6.1.2.1.1.1) - then the command will look like this: snmpwalk -Os -c public -v 2c 192.168.20.113 iso.3.6.1.2.1.1.1
: SNMP OID value(s) that you wish to read (optional, but if omitted expect a very long response). You may have changed it through the administration tool used to configure the device. : By default most SNMP enabled devices uses 'public'. The following is a simple SNMP query using SnmpWalk: snmpwalk -Os -c -v