3Com WX3000 operation manual Selective QinQ Configuration, Inner-to-Outer Tag Priority Mapping

In this way, you can configure different forwarding policies for data of different type of users, thus improving the flexibility of network management. On the other hand, network resources are well utilized, and users of the same type are also isolated by their inner VLAN tags. This helps to improve network security.

Inner-to-Outer Tag Priority Mapping

As shown in Figure 1-3, the user priority field is the 802.1p priority of the tag. The value of this 3-bit field is in the range 0 to 7. By configuring inner-to-outer tag priority mapping for a VLAN-VPN-enabled port, you can assign outer tags of different priorities to packets according to their inner tag priorities.

Refer to QoS-QoS profile part for information about priority.

Selective QinQ Configuration

Configuration Task List

Complete the following tasks to configure selective QinQ:

Task	Remarks
Enabling the Selective QinQ Feature for a Port	Required
Configuring the Inner-to-Outer Tag Priority Mapping Feature	Optional

Enabling the Selective QinQ Feature for a Port

The following configurations are required for the selective QinQ feature:

z

z

Enabling the VLAN-VPN feature on the current port

Configuring the current port to permit packets of specific VLANs (the VLANs whose tags are to be used as the outer VLAN tags are required)

Follow these steps to enable the selective QinQ feature:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Enter Ethernet port view	interface interface-type	—
	interface-number
Configure the outer VLAN	vlan-vpn vid vlan-id	Required
tag and enter QinQ view
Configure to add outer		Required
VLAN tags to the packets	raw-vlan-id inbound	By default, the feature of adding an outer
with the specific inner	vlan-id-list	VLAN tag to the packets with the specific
VLAN tags		inner VLAN tags is disabled.

2-2