Nagios Support Forum

When I am executing command snmpget-v2c -cpassword hostname memTotalSwap, I am getting below error.
UCD-SNM-PMIB::No such instance currently exists at this OID

Could you please help me to resolve this issue.

And I am giving same error for other OIDs as well like TCP connection, CPU, network interfaces etc.

I can see MIB text files in my system. So, is there any configuration required, so that above command is properly executed.

Your suggestion is highly appreciated. Thanks.

What type of system is hostname? Not all snmp agents have UCD-SNMP-MIB OIDs installed. If you ran this against a Cisco switch for example you can be rest assured you'd get the error you're seeing.

If this is a Linux system (which is my assumption) do 2 things:

1) snmpwalk the entire tree:
2) share with us a sanitized copy of snmpd.conf

What happens if you run the check command using the OID rather than the MIB?