[ProviderB-Ethernet1/0/2-vid-2000] raw-vlan-id inbound 20
# Set the TPID value in the outer tag to 0x8200.
[ProviderA-Ethernet1/0/3] quit
[ProviderA] qinq ethernet-type 8200
3.
Configure third-party devices.
Configure the third-party devices between Provider A and Provider B as follows: configure the port that
connects Ethernet 1/0/3 of Provider A and the port that connects Ethernet 1/0/1 of Provider B to allow
tagged frames of VLAN 1000 and VLAN 2000 to pass through.
QoS policy-based selective QinQ configuration example
(available only on the A3100 v2 EI)
Network requirements
As shown in
,
•
Provider A and Provider B are access switches on the service provider network.
•
Customer A, Customer B, Customer C, and Customer D are access switches on the customer
network.
•
Provider A and Provider B are connected through a trunk port, which permits the frames of VLAN
1000, VLAN 2000, and VLAN 3000 to pass through.
•
Third-party switches are deployed between Provider A and Provider B, with a TPID value of
0x8200.
Configure the switches to meet the following requirements:
•
VLAN 10 of Customer A and Customer B can intercommunicate across VLAN 1000 on the public
network.
•
VLAN 20 of Customer A and Customer C can intercommunicate across VLAN 2000 on the public
network.
•
Frames of the VLANs other than VLAN 10 and VLAN 20 of Customer A can be forwarded to
Customer D across VLAN 3000 on the public network.
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