Selective Qinq Configuration Task List; Enabling The Selective Qinq Feature For A Port - 3Com E4500-24 Cli Configuration Manual

device receives a packet from the service provider network, this device will find the path for the packet
by searching the MAC address table of the VLAN corresponding to the outer tag and unicast the packet.
Thus, packet broadcast is reduced in selective QinQ applications.
Likewise, the entries in the MAC address table of the outer VLAN can also be replicated to that of the
default VLAN on a port, through which the outbound port to the service provider network can be
determined through the MAC address table of the default VLAN and user packets destined for the
service provider can be unicast.
Selective QinQ Configuration

Selective QinQ Configuration Task List

Complete the following tasks to configure selective QinQ:

Enabling the Selective QinQ Feature for a Port

Enabling the Inter-VLAN MAC Address
Replicating Feature
If XRN Fabric has been enabled on a device, you cannot enable the VLAN-VPN feature and the
selective QinQ feature on any port of the device.
Enabling the Selective QinQ Feature for a Port
The following configurations are required for the selective QinQ feature:
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...
Enter system view
Enter Ethernet port view
Configure the outer VLAN tag
and enter QinQ view
Configure to add outer VLAN
tags to the packets with the
specific inner VLAN tags
Task
Use the command...
system-view
interface interface-type
interface-number
vlan-vpn vid vlan-id
raw-vlan-id inbound
vlan-id-list
2-3
Remarks
Required
Optional
—
—
Required
Required
By default, the feature of
adding an outer VLAN tag to
the packets with the specific
inner VLAN tags is disabled.
Remarks