[SW2]display port vlan active 
T=TAG U=UNTAG
-------------------------------------------------------------------------------
Port                Link Type    PVID    VLAN List
-------------------------------------------------------------------------------
GE0/0/1             access       10      U: 10
GE0/0/2             access       20      U: 20
GE0/0/3             trunk        1       U: 1
                                         T: 10 20 30
GE0/0/4             hybrid       1       U: 1
GE0/0/5             hybrid       1       U: 1
GE0/0/6             hybrid       1       U: 1
GE0/0/7             hybrid       1       U: 1

[SW2]display mac-address
MAC address table of slot 0:
-------------------------------------------------------------------------------
MAC Address    VLAN/       PEVLAN CEVLAN Port            Type      LSP/LSR-ID  
               VSI/SI                                              MAC-Tunnel  
-------------------------------------------------------------------------------
5489-9866-16e5 10          -      -      GE0/0/1         dynamic   0/-         
5489-984b-4a8c 10          -      -      GE0/0/3         dynamic   0/-         
-------------------------------------------------------------------------------
Total matching items on slot 0 displayed = 2 

[SW1-GigabitEthernet0/0/5]port trunk pvid vlan 4    #修改本帧