Command Manual – VLAN VPN
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 VLAN-VPN Commands
Huawei Technologies Proprietary
1-2
1.1.2 vlan-vpn enable
Syntax
vlan-vpn enable
undo vlan-vpn
View
Ethernet port view
Parameter
None
Description
Use the vlan-vpn enable command to enable the VLAN-VPN function for a port.
Use the undo vlan-vpn command to disable the VLAN-VPN function for a port.
By default, the VLAN-VPN function is disabled for port.
With the VLAN VPN function enabled, a received packet is tagged with the default
VLAN tag of the receiving port no matter whether or not the packet already carries a
VLAN tag. If the packet already carries a VLAN tag, the packet becomes a dual-tagged
packet. Otherwise, the packet becomes a packet carrying the default VLAN tag of the
port.
Caution:
z The VLAN-VPN function is unavailable if the port has any of the protocols among
GVRP, GMRP, STP, IRF, NTDP and 802.1x enabled.
z After you enable the VLAN-VPN function for a port, you cannot change the attribute
of the port to trunk or hybrid, or enable GVRP, GMRP, IRF, NTDP, or STP function
for the port.
z If there is a port enabled with fabric function on a device, you cannot enable
VLAN-VPN function for this port or for any other port on this device.
Example
# Enable the VLAN-VPN function for Ethernet1/0/1 port.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] interface Ethernet 1/0/1
[Quidway-Ethernet1/0/1] vlan-vpn enable
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