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Configuring VLAN-VPN (Only for Certain Devices) VLAN-VPN
User Guide 231
1.2 Supported Features
The VLAN-VPN function includes: basic VLAN-VPN and flexible VLAN-VPN (VLAN
mapping).
Basic VLAN-VPN
All packets from customer VLANs are encapsulated with the same VLAN tag of the ISP
network, and sent to the ISP network. Additionally, you can set the TPID (Tag Protocol
Identifier) for compatibility with devices in the ISP network.
Flexible VLAN-VPN
You can configure different VLANs in the customer network to map to different VLANs in
the ISP network.
When the switch receives a packet with the customer network tag, the switch will check
the VLAN Mapping List. If a match is found, the switch encapsulates the packet with the
corresponding VLAN tag of the ISP network, and forwards it to the corresponding port. If
no match is found, the switch process the packet in rules of MAC VLAN, Protocol VLAN and
802.1Q VLAN. For untagged packets, the switch directly processes them in rules of MAC
VLAN, Protocol VLAN and 802.1Q VLAN.
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