考试要求站点1、站点2通过单臂路由方式配置站点3通过单臂路由qinq方式配置需求如下pc6-vlan60内层vlan-vlan600外层vlanpc7-vlan70内层vlan-vlan700外层vlan配置如下sw7作为接入交换机连接pc正常vlan配置即可[huawei]sysname sw7 [sw7]undo info-center enable [sw7]vlan batch 60 70 [sw7]interface GigabitEthernet0/0/1 [sw7-GigabitEthernet0/0/1] port link-type trunk [sw7-GigabitEthernet0/0/1] port trunk allow-pass vlan 60 70 [sw7-GigabitEthernet0/0/1]# [sw7-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2 [sw7-GigabitEthernet0/0/2] port link-type access [sw7-GigabitEthernet0/0/2] port default vlan 60 [sw7-GigabitEthernet0/0/2]# [sw7-GigabitEthernet0/0/2]interface GigabitEthernet0/0/3 [sw7-GigabitEthernet0/0/3] port link-type access [sw7-GigabitEthernet0/0/3] port default vlan 70路由器的子接口和sw6为qinq配置sw6配置[huawei]sysname sw6 [sw6]undo info-center enable [sw6]vlan batch 60 70 600 700 [sw6]interface GigabitEthernet0/0/1 [sw6-GigabitEthernet0/0/1] port link-type trunk [sw6-GigabitEthernet0/0/1] port trunk allow-pass vlan 600 700 [sw6-GigabitEthernet0/0/1]# [sw6-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2 [sw6-GigabitEthernet0/0/2] qinq vlan-translation enable //开启QinQ的VLAN转换功能 [sw6-GigabitEthernet0/0/2] port hybrid untagged vlan 600 700 //定义接口出方向剥离VLAN100和VLAN200的标签其实就是外层ip [sw6-GigabitEthernet0/0/2] port vlan-stacking vlan 60 stack-vlan 600//接口收到来自VLAN60的数据帧后叠加一层VLAN600的外层标签 [sw6-GigabitEthernet0/0/2]port vlan-stacking vlan 70 stack-vlan 700//接口收到来自VLAN70的数据帧后叠加一层VLAN700的外层标签路由器配置[R3]sysname R3 [R3]undo info-center enable [R3]interface GigabitEthernet0/0/1.600 [R3-GigabitEthernet0/0/1.600] qinq termination pe-vid 600 ce-vid 60 //拆外层vlan600 识别内层vlan60 [R3-GigabitEthernet0/0/1.600] ip address 192.168.1.222 255.255.255.224 [R3-GigabitEthernet0/0/1.600] arp broadcast enable [R3-GigabitEthernet0/0/1.600]interface GigabitEthernet0/0/1.700 [R3-GigabitEthernet0/0/1.700] qinq termination pe-vid 700 ce-vid 70 //拆外层vlan700 识别内层vlan70 [R3-GigabitEthernet0/0/1.700] ip address 192.168.1.238 255.255.255.224 [R3-GigabitEthernet0/0/1.700] arp broadcast enableqinq配置完成后就可以实现单臂路由通信了通信过程中内层标签外多了一层外层标签