Operation Manual – QinQ
H3C S9500 Series Routing Switches
Chapter 1 QinQ Configuration
1-7
1.4.2 Configuration Procedure
Table 1-3
Configure the TPID to be used in the outer tag
Operation
Command
Remarks
Enter system view
system-view
—
Configure the TPID value
vlan-vpn
tpid value
The
value
argument
ranges from 1 to 0xFFFF
and defaults to 0x8100.
Do not set the TPID value
to a value that may cause
a conflict, such as that of
known protocol type.
The TPID value can be
modified only on
VLAN-VPN uplink egress
ports.
Enter Ethernet port view
interface
{
interface-type
interface-number |
interface-name
}
—
Set the port to be a
VLAN-VPN uplink port.
vlan-vpn
uplink
enable
By default, a port is not a
VLAN-VPN uplink port.
Display VLAN VPN
configuration information
about all ports in the
system
display port vlan-vpn
Information about the
current TPID value,
VLAN-VPN ports and
VLAN-VPN uplink ports is
display.
Caution:
z
At present, LSB1XP4 and LSB1TGX1 cards do not support this configuration.
z
The
vlan-vpn uplink enable
and the
vlan-vpn enable
command are mutual
exclusive. That is, you cannot used the
vlan-vpn enable
command while on a port
the
vlan-vpn uplink enable
command is in effect on the same port, and vice versa.
1.5 Configuring VLAN-VPN Tunneling
1.5.1 Introduction to VLAN-VPN Tunneling
VLAN-VPN tunneling enables customer networks in different geographic regions to
transmit BPDU packets to each other transparently through the designated VLAN VPN
over the service provider network.