The Network Configuration dashboard helps you find out which ESXi hosts and VMs use a specific switch.
You can use the dashboard widgets in several ways.
Use the Distributed Switches widget to select the switch for which you want to view details. You can use the filter to narrow your list based on several parameters. After you identify the switch that you want to view, select it. The dashboard is automatically populated with the relevant data.
Use the Distributed Port Groups on the Switch widget to view the port groups on the switch, how many ports each switch has, and the usage details.
Use the ESXi Hosts/VMs Using the Selected Switch widgets to find out which ESXi hosts and VMs use the selected switch. You can also view configuration details about the ESXi hosts and VMs that use the selected switch.