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Appendix C. Probes 139

Field Value

Critical Maximum Value

Warning Maximum Value

Warning Minimum Value

Critical Minimum Value

Table C-11. General::SNMP Check settings

C.4.4. General::TCP Check

The General::TCP Check probe tests your TCP server by verifying it can connect to a system via the

speciﬁed port number. It collects the following metric:

• Remote Service Latency — The time it takes in seconds for the TCP server to answer a connection

request.

The probe will pass the string speciﬁed in the Send ﬁeld upon making a connection. The probe will

anticipate a response from the system, which should include the substring speciﬁed in the Expect

ﬁeld. If the expected string is not found, the probe returns a CRITICAL status.

Field Value

Send

Expect

Port* 1

Timeout* 10

Critical Maximum Latency

Warning Maximum Latency

Table C-12. General::TCP Check settings

C.4.5. General::UDP Check

The General::UDP Check probe tests your UDP server by verifying it can connect to a system via the

speciﬁed port number. It collects the following metric:

• Remote Service Latency — The time it takes in seconds for the UDP server to answer a connection

request.

The probe will pass the string speciﬁed in the Send ﬁeld upon making a connection. The probe will

anticipate a response from the system, which should include the substring speciﬁed in the Expect

ﬁeld. If the expected string is not found, the probe returns a CRITICAL status.

This probe’s transport protocol is User Datagram Protocol (UDP).

Field Value

Port* 1

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