QinQ简介
QinQ分为两种:
1、基本QinQ,也叫做普通QinQ。是基于接口实现的,即对该接口收到的所有报文,都加上一层VLAN Tag。
2、灵活QinQ,也叫做VLAN Stacking。是基于接口和VLAN实现的,即对该接口收到的与指定VLAN相匹配的报文,才会再加上一层VLAN Tag 。
基本QinQ的应用场景
应用场景:
配置思路:
基本QinQ的配置步骤
拓扑
1、创建VLAN 1000
<PE> system-view
[PE] vlan batch 1000
2、配置GE0/0/1接口的基本QinQ功能
[PE] interface gigabitethernet 0/0/1
[PE-GigabitEthernet0/0/1] port link-type dot1q-tunnel
[PE-GigabitEthernet0/0/1] port default vlan 1000
[PE-GigabitEthernet0/0/1] quit
3、配置上行GE0/0/2接口透传VLAN1000
[PE] interface gigabitethernet 0/0/2
[PE-GigabitEthernet0/0/2] port link-type trunk
[PE-GigabitEthernet0/0/2] port trunk allow-pass vlan 1000
[PE-GigabitEthernet0/0/2] quit
灵活QinQ的应用场景
应用场景:
配置思路:
灵活QinQ的配置步骤
拓扑
1、创建VLAN 30和VLAN100
<PE> system-view
[PE] vlan batch 30 100
2、配置GE0/0/1接口的灵活QinQ功能
[PE] interface gigabitethernet 0/0/1
[PE-GigabitEthernet0/0/1] port link-type hybrid
[PE-GigabitEthernet0/0/1] qinq vlan-translation enable
[PE-GigabitEthernet0/0/1] port vlan-stacking vlan 10 stack-vlan 100
[PE-GigabitEthernet0/0/1] port hybrid untagged vlan 100
3、配置GE0/0/1接口的透传语音业务对应的VLAN 30
[PE-GigabitEthernet0/0/1] port hybrid tagged vlan 30
[PE-GigabitEthernet0/0/1] port vlan-mapping vlan 30 map-vlan 30
[PE-GigabitEthernet0/0/1] quit
4、配置上行GE0/0/2接口,透传VLAN30和VLAN100
[PE] interface gigabitethernet 0/0/2
[PE-GigabitEthernet0/0/2] port link-type trunk
[PE-GigabitEthernet0/0/2] port trunk allow-pass vlan 30 100
[PE-GigabitEthernet0/0/2] quit