A10E/A28E/A28F Configuration Guide
SwitchB(config)#interface port 1
SwitchB(config-port)#switchport mode trunk
SwitchB(config-port)#switchport trunk allowed vlan 1000 confirm
Checking result
Use the show switchport qinq command to view QinQ configurations.
Take Switch A for example.
SwitchA#show switchport qinq
Outer TPID: 0x9100
Interface QinQ Status
----------------------------
1 --
2 Dot1q-tunnel
3 Dot1q-tunnel
…
2.3.10 Example for configuring selective QinQ
Networking requirements
As shown in Figure 2-5, the carrier network contains common PC Internet service and IP
phone service. PC Internet service is assigned to VLAN 1000, and IP phone service is
assigned to VLAN 2000.
Configure Switch A and Switch B as below to make client and server communicate through
carrier network:
Add outer Tag VLAN 1000 to the VLANs 100–150 assigned to PC Internet service.
Add outer Tag 2000 for VLANs 300–400 for IP phone service.
The carrier TPID is 9100.