Creating a TCP or UDP resource monitor
OpenEdge Management supports setting up individual TCP and/or UDP monitors. The TCP monitor attempts to connect to a TCP port and reports status and response time. The TCP monitor can be useful in determining the status and response times for servers that listen on a TCP port. This includes servers such as mail, FTP, and Web servers.
Note: OpenEdge Management supports a default operator e-mail TCP monitor identified as a Simple Mail Transfer Protocol (SMTP) SMTP_Mail. You can set host, port, and default e-mail recipient values in the Default alert recipient section of the OpenEdge Management Configuration page. However, you can edit values as you would any user-defined TCP resource monitor.The UDP monitor attempts to communicate with a UDP port and reports status and response time.
Note: Monitoring a NameServer using UDP resource monitors is not recommended. If you set up a UDP monitor to monitor a NameServer UDP listener port, the NameServer will detect the UDP messages. However, the NameServer will inspect the UDP messages and reject them because they do not follow the convention expected by the NameServer. Consequently, the NameServer will log error messages to indicate that invalid message requests are being received.
To define a TCP or UDP resource monitor:
- Click Resources from the menu bar. The OpenEdge Management Resources page appears.
- Click New Resource Monitor.
Once you make this initial selection, the fields you need to complete to create either a TCP port or UDP port are identical. (For the purpose of this procedure, the steps to create a TCP port are shown.) The Create TCP Monitor page appears:- Click either TCP Port to create a TCP port resource monitor or UDP Port to create a UDP port resource monitor.
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- Enter values in the Name and Description fields.
- In the Host field, enter the name of the host or IP address where the port is located.
- In the Port field, enter the number of the port.
- Ensure that the Enabled field is checked to begin monitoring.
- Click Save. The Create Monitoring Plan page appears:
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- Update as necessary the default values, which provide for monitoring plan and rule definition fields. See the "Reviewing network resource default values" section for details about the Alert if response time greater than and OR no response within fields.
- Click Save. The TCP Monitor resource summary page appears.
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