Run the display bpdu mac-address command to query the current BPDU MAC addresses. By default, all multicast MAC addresses in the segment from 0180-c200-0010 to 0180-c200-002f are BPDU MAC addresses, and 0100-0ccc-cccd is also a BPDU MAC address.
Run the bpdu mac-address mac-address command to specify an MAC address to be a BPDU MAC address.
Example: bpdu mac-address 0100-0ccc-cccc