Check the    at the top to select all of ports; check the port at the front 
of the Port No. to select the corresponding one.   
The  default  VLAN  ID  is  set  for  the  port,  thus  giving  a  default  VLAN 
affiliation to the data package without VLAN Tag. 
PVID of each port can be various, but the PVID to be selected must be 
the existing one. The value of PVID is 1 by default. 
Set ports how to send data and process data received. 
Ignore:  In  case  of  the  data  package  received  without  Tag,  the  data 
package to be sent will also has no Tag, and vice versa. 
Add Tag: In case of the data package received without Tag, the data 
package to be sent will be added PVID of the receiving port; in case of 
the data package received with Tag, the data package to be sent will 
preserve the Tag. 
Remove Tag: In case of the data package received without Tag, the data 
package to be sent will also has no Tag; in case of the data package 
received with Tag, the data package to be sent will remove the Tag.