1-4
Follow these steps to configure the TPID for VLAN-VPN packets :
To do... Use the command... Remarks
Enter system view
system-view
—
Set the TPID value on the port
vlan-vpn tpid value
Required
Do not set the TPID value to
any of the protocol type values
listed in
Table 1-1.
For H3C series switches, the
TPID defaults to 0x8100.
Displaying and Maintaining VLAN-VPN Configuration
To do... Use the command... Remarks
Display the VLAN-VPN
configurations of all the ports
display port vlan-vpn
Available in any view
VLAN-VPN Configuration Example
Transmitting User Packets through a Tunnel in the Public Network by Using
VLAN-VPN
Network requirements
As shown in Figure 1-4, Switch A and Switch B are both S3100 series switches. They connect the users
to the servers through the public network.
z PC users and PC servers are in VLAN 100 created in the private network, while terminal users and
terminal servers are in VLAN 200, which is also created in the private network. The VLAN VPN
connection is established in VLAN 1040 of the public network.
z Switches of other vendors’ are used in the public network. They use the TPID value 0x9200.
z Employ VLAN-VPN on Switch A and Switch B to enable the PC users and PC servers to
communicate with each through a VPN, and employ VLAN-VPN on Switch A and Switch B to
enable the Terminal users and Terminal servers to communicate with each other through a VPN.
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