Different network zones have the same IP address. What field does Opennms use to distinguish different nodes?

Problem:
[Please explain your problem here. Also check the how-to ask good questions article.]

Different network zones have the same IP address. What field does Opennms use to distinguish different nodes?

Expected outcome:
[Explain what you are trying to achieve]

OpenNMS version:

Other relevant data:
[e.g. logs from OpenNMS, error messages etc]

logs

Location. (i.e. you’d use a Minion for this)