HIP distribution into Remote Networks

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We have:

* Mobile Users

* Remote Networks

* Internal Gateways

We get Mobile Users userid and hip data by redistributing into the on-prem environment from all three Service Connections.

However, we setup distribution into Remote Networks from the Internal Gateway and TAC said it's not a supported configuration to distribute into Remote Networks, since it introduces a loop.

Is that correct?

Is there a way to prevent Remote Networks from redistributing back to the Service Connections? 

For others who use Mobile Users, Remote Networks, and Internal Gateways, how do you redistribute userid/hip appropriately?