Reference: Edge Ports : Core and Edge ports
  
Core and Edge ports
This table lists and describes the default ports.
Default ports
Description
7950
Data requests for data blocks absent in Edge appliance from the data center
7951
New data created at the Edge to the data center
7952
Prefetch data for which the product has highest confidence (for example, file read ahead)
7953
Prefetch data for which the product has medium confidence (for example, boot)
7954
Prefetch data for which the product has lowest confidence (for example, prepopulation)
7970
Management information exchange between Edge and Core appliances
7990
Date being replicated to the secondary data center