3Com 4510G Configuration Manual page 184

[ProviderA-GigabitEthernet1/0/2] port access vlan 1000
# Enable basic QinQ. Tag frames from VLAN 10 with the outer VLAN tag 1000.
[ProviderA-GigabitEthernet1/0/2] qinq enable
[ProviderA-GigabitEthernet1/0/2] quit
Configuration on GigabitEthernet 1/0/3.
# Configure the port as a trunk port permitting frames of VLAN 1000, VLAN 2000 and VLAN 3000 to
pass through.
[ProviderA] interface gigabitethernet 1/0/3
[ProviderA-GigabitEthernet1/0/3] port link-type trunk
[ProviderA-GigabitEthernet1/0/3] port trunk permit vlan 1000 2000 3000
# To enable interoperability with the third-party devices in the public network, set the TPID of the
service provider network VLAN tags to 0x8200. Therefore, the port tags the frames with the outer
VLAN tag whose TPID is 0x8200.
[ProviderA-GigabitEthernet1/0/3] quit
[ProviderA] qinq ethernet-type 8200
2) Configuration on Provider B
Configuration on GigabitEthernet 1/0/1
# Configure the port as a trunk port permitting frames of VLAN 1000, VLAN 2000 and VLAN 3000 to
pass through.
<ProviderB> system-view
[ProviderB] interface gigabitethernet 1/0/1
[ProviderB-GigabitEthernet1/0/1] port link-type trunk
[ProviderB-GigabitEthernet1/0/1] port trunk permit vlan 1000 2000 3000
# To enable interoperability with the third-party devices in the public network, set the TPID of the
service provider network VLAN tags to 0x8200. Therefore, the port tags the received frames with the
outer VLAN tag whose TPID is 0x8200.
[ProviderB-GigabitEthernet1/0/1] quit
[ProviderB] qinq ethernet-type 8200
Configuration on GigabitEthernet 1/0/2
# Configure VLAN 2000 as the default VLAN.
[ProviderB] interface GigabitEthernet 1/0/2
[ProviderB-GigabitEthernet1/0/2] port access vlan 2000
# Enable basic QinQ. Tag frames from VLAN 20 with the outer VLAN tag 2000.
[ProviderB-GigabitEthernet1/0/2] qinq enable
[ProviderB-GigabitEthernet1/0/2] quit
Configuration on GigabitEthernet 1/0/3
# Configure VLAN 3000 as the default VLAN.
[ProviderB] interface GigabitEthernet 1/0/3
[ProviderB-GigabitEthernet1/0/3] port access vlan 3000
# Enable basic QinQ to tag frames of all customer VLANs with the outer VLAN tag 3000.
[ProviderB-GigabitEthernet1/0/3] qinq enable
3) Configuration on devices on the public network
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