Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

To display information on the stack configuration, use the show commands on the master switch.

• Displays stacking roles (master, standby, and member units) and the stack MAC address. show system [brief]
• Displays the stack groups allocated on a stacked switch. The range is from 0 to 5. show system stack-unit unit-number stack-group configured
• Displays the port numbers that correspond to the stack groups on a switch. The valid stack-unit numbers are from 0 to 5. show system stack-unit unit-number stack-group
• Displays the type of stack topology (ring or daisy chain) with a list of all stacked ports, port status, link speed, and peer stack-unit connection. show system stack-ports [status | topology]