请教群里大神有没做过QINQ的实验?求请教
拓扑图: PE e0/0----- e0/0 SW e0/1 ----- e0/0 CE配置：PE:
interface e0/0.1
encapsulation dot1Q 100 second-dot1q 200
ip address 1.1.1.1 255.255.255.252
SW:
interface e0/0
description to PE
switchport trunk encapsulation dot1q
switchport mode trunk
interface e0/1
description to CE
switchport access vlan 100
switchport mode dot1q-tunnel
CE:
interface e0/0.1
encapsulation dot1Q 200
ip address 1.1.1.2 255.255.255.252
结果互ping 是不通的，求指教
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