H3C Technologies H3C S12500 Series Switches - Manual (Page 158)

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• PE 1 and PE 2 are edge devices on the service provider network and are connected through
third-party devices with a TPID value of 0x8200.
Configure the edge and third-party devices to enable communication between the branches of Company
A through SVLAN 100, and communication between the branches of Company B through SVLAN 200.
Figure 46 Network diagram
Configuration procedure
IMPORTANT:
Make sure the devices in the service provider network have been configured to allow QinQ packets to
pass through.
1. Configure PE 1:
a. Configure GigabitEthernet 4/0/1:
# Configure GigabitEthernet 4/0/1 as a trunk port and assign it to VLAN 100.
<PE1> system-view
[PE1] interface gigabitethernet 4/0/1
[PE1-GigabitEthernet4/0/1] port link-type trunk
[PE1-GigabitEthernet4/0/1] port trunk permit vlan 100
# Configure VLAN 100 as the default VLAN ID for the port.
[PE1-GigabitEthernet4/0/1] port trunk pvid vlan 100
# Enable basic QinQ on the port.
[PE1-GigabitEthernet4/0/1] qinq enable
[PE1-GigabitEthernet4/0/1] quit
b. Configure GigabitEthernet 4/0/2:
# Configure GigabitEthernet 4/0/2 as a trunk port and assign it to VLAN 100 and VLAN 200.
[PE1] interface gigabitethernet 4/0/2
[PE1-GigabitEthernet4/0/2] port link-type trunk
[PE1-GigabitEthernet4/0/2] port trunk permit vlan 100 200