port - The port at which the host listens.Host - The host for which the test is to be configured.Test period - How often should the test be executed.Outputs of the test : One set of results for each host system monitored Configurable parameters for the test Finally, click the Update button.Īgent deploying the test : An internal agent To enable the test, go to the enable / disable tests page using the menu sequence : Agents -> Tests -> Enable/Disable, pick the desired Component type, set Performance as the Test type, choose the test from the disabled tests list, and click on the << button to move the test to the ENABLED TESTS list. With the help of this test, you can proactively detect over-utilization of ports and promptly prevent port exhaustion. This test monitors the usage of ephemeral ports, and reports whether adequate ports are available for use. After completion of the communication session, the ports become available for reuse. The allocations are temporary and only valid for the duration of the communication session. Ephemeral ports may also be used to free up a well-known service listening port and establish a service connection to the client host. It is used by the Transmission Control Protocol (TCP), User Datagram Protocol (UDP), or the Stream Control Transmission Protocol (SCTP) as the port assignment for the client end of a client–server communication to a well known port on a server. An ephemeral (short-lived) port is a transport protocol port for Internet Protocol (IP) communications allocated automatically from a predefined range by the TCP/IP stack software.
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