3com 8807 User Guide

Page of 883
856
C
HAPTER
 76: Q
IN
Q C
ONFIGURATION
Figure 201   Diagram of the VLAN-VPN tunnel network hierarchy
Configuring VLAN-VPN
Perform the following configuration to configure VLAN-VPN tunnel.
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 B
Network A
Network
Packet ingress/egress 
device
Operator’ s       Network
Users          Network
Packet ingress/egress 
device
Network B
Network A
Network
Packet ingress/egress 
device
Operator’ s       Network
Users          Network
Table 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.