Method used to identify listening ports on the host

Method used to identify listening ports on the host:
For each client, ISM subscribes to the reported information on the device. In that case, a port is listened. As multiple ISMs on a PC can be listened to manage the device, ports listened by ISM are within a certain range. The scope of listening port of ISMV1R3 is 8000 to 8090, 7890, and 8901. In the Windows command line, enter netstat -a to check whether ports within the range are listened. (In the following example, ISM uses port 8011)
You can check on the device the file of ports that are reported:
/ISM/repository/root#cimv2/instances/CIM_IndicationSubscription.idx
In the file, 1 is invalid and the content starting with 0 is valid.

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