3Com Switch 8800 Advanced Software V5 Configuration Guide

184 CHAPTER 18: QINQ CONFIGURATION
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CAUTION:
■ Perform the above configuration on ports (of devices in the service provider
network) with customer networks connected to them.
■ The qinq ethernet-type command needs to be coupled with the qinq
enable command.
QinQ Configuration
Examples
Network requirements
■ Provider A and Provider B are service provider network access devices.
■ Customer A and Customer B are customer network access devices.
■ Provider A and Provider B, belonging to VLAN 10 created in the service provider
network, are interconnected through trunk ports.
■ Ethernet 1/1/2 on Provider A belongs to VLAN 10 and is QinQ-enabled.
■ The TPID values of Ethernet 1/1/4 on Provider A and Ethernet 1/1/4 on Provider
B are both 0x8200.
Network diagram
Figure 55 Network diagram for QinQ configuration
Configuration procedure
1 Configuration on Provider A
# Enter system view.
<Sysname> system-view
[Sysname] vlan 10
[Sysname-vlan10] quit
# Enter Ethernet 1/1/2 port view.
[Sysname] interface ethernet 1/1/2
[Sysname-Ethernet1/1/2] port access vlan 10
# Enable the basic QinQ function on Ethernet 1/1/2.
[Sysname-Ethernet1/1/2] qinq enable
[Sysname-Ethernet1/1/2] quit