3Com Switch 8800 Family Configuration Guide

856 CHAPTER 76: QINQ CONFIGURATION
Figure 201 Diagram of the VLAN-VPN tunnel network hierarchy
Configuring VLAN-VPN Perform the following configuration to configure VLAN-VPN tunnel.
n
VLAN VPN is not compatible with STP, DOT1X, GVRP, and NTDP.
VLAN-VPN Tunnel
Configuration Example
Network requirements
■ Switch 8800 Family series switches, namely Switch C and D in the network
diagram, serve as devices used to access the operator’s network.
■ Switch 8800 series switches, namely Switch A and B in the network diagram,
serve as devices used to access the user network.
■ Interconnect switch C and switch D through trunk ports. Enable VLAN-VPN
tunnel to transmit packets transparently between the user network and the
operator’s network.
Packet ingress/egress
device
Network BNetwork A
Network
Packet ingress/egress
device
Operator’ s Network
Users Network
Packet ingress/egress
device
Network BNetwork A
Network
Packet ingress/egress
device
Operator’ s Network
Users Network
Tabl e 817 Configure VLAN-VPN tunnel
Operation Command Description
Enter system view system-view -
Enable VLAN-VPN tunnel vlan-vpn tunnel Required
Enter Ethernet port view
interface interface-type
interface-number
-
Enable VLAN VPN of the port vlan-vpn enable
Required
By default, VLAN VPN of the
port is disabled.