How to create devices and tasks
The Telnet port availability task allows you to send a request to a specific port on a server to make sure that you receive a response.
Creating a task
Once you have created a device and are adding or editing a TraceRoute task, you will be prompted to adjust the following settings.
Enter the server address to be monitored. This could be the URL or the IP address.
Completion Timeout (in milliseconds)
Enter the number of seconds the task should wait for a response from the web page before aborting the task and returning an error. If this is left blank the default timeout for a task is 120 seconds.
Ignore Protocol Errors
Selecting no will cause the task to error every time any node along the path to the host returns an error. It is quite common that any given traceroute request will return one or more timeouts from a node along the path. This does not mean that the request failed, simply that the node took too long to respond and the request was resent. Therefore, you may receive multiple request timeouts but the task will still complete the full traceroute.
Because of this, we recommend that you select yes when setting up an ongoing monitor, otherwise your reports may appear to contain many more errors from nodes outside of your control, even if the node responded to a second or third request.
The DNS Options feature allows users to choose how domain name server (DNS) requests are conducted during a monitoring task.
To specify the mode of resolving hostnames, in the DNS Resolve Mode section, select one of the available modes. For more details on the feature configuration, see DNS Mode Options.
The Custom DNS Hosts section contains the mappings of IP addresses to hostnames.
To specify the mapping, enter the IP address and the host name in the corresponding fields.