進口檢查:查看有無標籤;ide
(1)有標籤,查tag表;有放通3d
(2)無標籤,打PVID標籤後 ,放通code
出口檢查:先查untag表blog
(1)有標,脫標;產品
(2)無標,查tag表,有則放通,無則丟棄it
一、配置LSW3class
vlan batch 10 20 int e 0/0/1 port link-type access port default vlan 10 int e 0/0/2 port link-type access port default vlan 20 int g 0/0/1 port link-type trunk port trunk allow-pass vlan 10 20 undo shutdown
二、配置LSW4配置
vlan batch 10 20 int e 0/0/1 port link-type access port default vlan 10 int e 0/0/2 port link-type access port default vlan 20 int g 0/0/2 port link-type trunk port trunk allow-pass vlan 10 20 undo shutdown
三、若要使pc7與pc8(兩個不一樣vlan域中的同一網段兩個主機)互聯互通,要將001與002口初始化,變爲默認的華爲hybrid口。im
undo port default vlan port link-type hubrid
四、在001與002配置untagged表,打上PVID標籤img
int e0/0/1 port hybrid pvid vlan 10 port hybrid untagged vlan 10 20 un sh int e0/0/2 port hybrid pvid vlan 20 port hybrid untagged vlan 10 20 un sh
五、即pc7與pc8兩個不一樣vlan域中的同一網段兩個主機可互聯互通。
六、在LSW3上重複上述三、4過程,更改四臺主機IP爲同一網段。便可實現四臺pc機互聯互通