% snmpgetnext -v 2c -c demopublic test.net-snmp.org sysORDescr.2 sysORID.2 sysORUpTime.2
 
     % snmpgetnext -v 2c -c demopublic test.net-snmp.org sysORDescr.2 sysORID.2 sysORUpTime.2
Exception encountered, of type "Error"