H3C-link-aggregation（链路聚合）处于Unselected有由于放行和不放行的vlan不一致，导致其中一个接口Unselected

ac配置：

• interface Bridge-Aggregation1

   port link-type trunk
   undo port trunk permit vlan 1
   port trunk permit vlan 20 to 30
   link-aggregation mode dynamic
  #
  interface NULL0
  #
  interface GigabitEthernet1/0/0
   port link-mode bridge
   port link-type trunk
   undo port trunk permit vlan 1
   port trunk permit vlan 20 to 30
   combo enable copper
   port link-aggregation group 1
  #
  interface GigabitEthernet1/0/1
   port link-mode bridge
   port link-type trunk
   undo port trunk permit vlan 1
   port trunk permit vlan 20 to 30
   combo enable copper
   port link-aggregation group 1

sw配置

• interface Bridge-Aggregation1

   port link-type trunk
   undo port trunk permit vlan 1
   port trunk permit vlan 20 to 30
   link-aggregation mode dynamic
  #
  inter