ENSP接口配置错误模式，提示：Please renew the default configurations
[ac-GigabitEthernet0/0/24]undo p t a v 2 to 4094 //关闭掉此端口才可以把接口恢复回access或hybrid
[ac-GigabitEthernet0/0/24]p l a
[ac-GigabitEthernet0/0/24]p d v 20
[ac-GigabitEthernet0/0/24]dis thi
[ac-GigabitEthernet0/0/24]dis this
interface GigabitEthernet0/0/24
port link-type access
port default vlan 20
undo negotiation auto
duplex half
return
[ac-GigabitEthernet0/0/24]