1-3
As the position of the TPID field in an Ethernet packet is the same as that of the upper-layer protocol
type field in a packet without VLAN Tag, to avoid confusion in the process of receiving/forwarding a
packet, the TPID value cannot be any of the protocol type value listed in
Table 1-1.
Table 1-1 Commonly used protocol type values in Ethernet frames
Protocol type Value
ARP 0x0806
IP 0x0800
MPLS 0x8847/0x8848
IPX 0x8137
IS-IS 0x8000
LACP 0x8809
802.1x 0x888E
VLAN-VPN Configuration
Configuration Task List
Complete the following tasks to configure VLAN-VPN:
Task Remarks
Enabling the VLAN-VPN Feature for a Port Required
TPID Adjusting Configuration Optional
Enabling the VLAN-VPN Feature for a Port
Configuration Prerequisites
z The port is not a VLAN-VPN uplink port.
z The port is not a remote mirror reflection port.
Configuration procedure
Follow these steps to enable the VLAN-VPN feature for a port:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter Ethernet port
view
interface interface-type
interface-number
—
Enable the VLAN-VPN
feature on the port
vlan-vpn enable
Required
By default, the VLAN-VPN feature is
disabled on a port.
