Ok, but what can I send and receive to/from the host?
I also tried old version of check_udp (that does not need any string), but I
read :
No data was recieved from host!
No response from host on port XX
Or simply:
No response from host on port XX
I see another strange situation.
On port 161 I
You need to send a message that the listening daemon will understand. The
check_snmp plugin speaks the SNMP language so it knows how to construct a
packet that snmpd will understand. I imagine an OID is a requirement for
check_snmp, as well as community string or security credentials, those are
