There is an external port exposed on the cluster's master node IP addresses for connecting to the ObjectServer (inbound) on. You do have to connect using an SSL connection however. These steps outline how to get hold of the master node's certificate, import it into your Probe box's key store, then set up your omni.dat file with an SSL connection reference. Then you can connect to it in the normal way:
Connecting with the proxy NodePortThere is also a video which details this:
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Fred Klein
Client Technical Manager - Analytics
Hybrid Cloud Management SWAT Team Lead
Executive IT-Specialist
IBM Automation
https://ibm.biz/swat_explains------------------------------