The Dashboard tab in the Zerto GUI displays the aggregated storage throughput (IOPs), storage bandwidth (MBps) and WAN Traffic (MBps) statistics of all Virtual Protection Groups (VPGs) combined together for the past 4 hours.
The Monitoring tab in the Zerto GUI shows the actual RPO (sec), storage throughput (IOPs), storage bandwidth (MBps) and WAN Traffic (MBps) statistics of the selected Virtual Protection Group (VPG) for the past 4 hours.