SW01:
vlan batch 100 200
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 100 200
#
interface GigabitEthernet0/0/2
qinq vlan-translation enable
port hybrid untagged vlan 100 200
port vlan-stacking vlan 10 stack-vlan 100
port vlan-stacking vlan 20 stack-vlan 200
#
SW02:
vlan batch 100 200
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 100 200
#
interface GigabitEthernet0/0/2
qinq vlan-translation enable
port hybrid untagged vlan 100 200
port vlan-stacking vlan 10 stack-vlan 100
port vlan-stacking vlan 20 stack-vlan 200
#
vlan batch 10 20
#
interface Ethernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20
#
interface Ethernet0/0/2
port link-type access
port default vlan 10
#
interface Ethernet0/0/3
port link-type access
port default vlan 20
#
SW04:
vlan batch 10 20
#
interface Ethernet0/0/1
port link-type trunk
port trunk allow-pass vlan 10 20
#
interface Ethernet0/0/2
port link-type access
port default vlan 10
#
interface Ethernet0/0/3
port link-type access
port default vlan 20
#
端口Gi0/0/2抓包,只有單層VLAN10;
在SW01的Gi0/0/1抓包,VLAN信息爲雙層,即內層10,外層100;
當用戶VLAN內的報文需要穿越運營商網絡時,可以通過配置port vlan-stacking在用戶VLAN的數據幀上再加上一個VLAN Tag,實現雙層VLAN。
- 配置靈活QinQ功能的當前接口類型必須爲Hybrid,且只在入方向生效。
- 疊加後的外層VLAN必須存在,且當前接口必須以Untagged方式加入疊加後的stack-vlan中。