it means that the port is connecting with remote management. You can not shut down the port in order that the remote connection can't be interrupted. You can edit properties of the ports with the space key. If the VLAN type is Tag based VLAN, the PVID can't be visible and can't be edit. As figure
Figure
VLAN Management
Figure
VLAN Management includes VLAN Mode, Port Based VLAN and 802.1Q VLAN. If you change the VLAN Mode, the switch will lose the info of port PVID and static binding address. The interface of VLAN Mode is as follows.
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