Operation Manual - QinQ-BPDU Tunnel
Quidway S3500-EA Series Ethernet Switches
Chapter 2 BPDU Tunnel Configuration
Huawei Technologies Proprietary
2-3
Caution:
When performing BPDU Tunnel configuration to enable BPDUs from the customer
network to be transmitted through the service provider network transparently, you need
to make sure that the VLAN tags of the BPDUs are not changed or removed. Otherwise,
the BPDUs cannot be transmitted properly.
2.2 BPDU Tunnel Configuration
2.2.1 Configuration Prerequisites
MSTP is enabled on the devices.
2.2.2 Configuring BPDU Tunnel
Perform the following tasks to configure BPDU tunnel:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Enable BPDU tunnel
globally
bpdu-tunnel dot1q
enable
Optional
Enabled by default
BPDU tunnel is available to
a port only when it is
enabled globally.
Enter
Ethernet port
view
interface
interface-type
interface-number
Enter
Ethernet
port view or
port group
view
Enter port
group view
port-group
{
manual
port-group-name |
aggregation
agg-id
}
Use either command
Configuration performed in
Ethernet port view applies to
the current port only.
Configuration performed in
port group view applies to all
the ports in the port group.
Enable BPDU tunnel for
the Ethernet port
bpdu-tunnel dot1q
enable
Required
Disabled by default
When BPDU tunnel is
enabled, BPDUs of the
service provider network are
isolated from those of the
customer networks.
Disable STP for the
Ethernet port
stp disable
Required
Enabled by default
