Please revert to the default configuration
When you are prompted to revert to the default configuration when configuring the switch, you need to delete the original configuration step by step and reconfigure the switch.
Reconfigure the switch, if you configure it directly, it will report an error
Example
Original configuration
port link-type access
port default vlan 500
The configuration that needs to be changed
interface GigabitEthernet0/0/28
undo port link-type
undo port default vlan 500
port link-type trunk
port trunk allow-pass vlan 2 to 4094
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