3Com Switch 8800 Advanced Software V5 Configuration Guide

Configuring BPDU Transparent Transmission 151
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■ The BPDU tunneling feature is incompatible with the GVRP feature, so these
two features cannot be enabled at the same time. For information about GVRP,
refer to
“GVRP Configuration” on page 139.
■ The configured BPDU tunneling on a port cannot take effect unless BPDU
tunneling is enabled globally..
Configuring BPDU
Transparent
Transmission
Perform the following tasks to configure BPDU transparent transmission:
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■ BPDU tunneling must be enabled globally before the BPDU TUNNEL
configuration for a port can take effect.
To do... Use the command... Remarks
Enter system view system-view -
Enable BPDU tunneling globally bpdu-tunnel dot1q enable Optional
Enabled by default
The configured BPDU
tunneling on a port cannot
take effect unless BPDU
tunneling is enabled
globally.
Enter
Ethernet
interface
view or port
group view
Enter Ethernet
interface view
interface interface-type
interface-number
Use either command
Configured in Ethernet
interface view, the setting is
effective on the current port
only; configured in port
group view, the setting is
effective on all ports in the
port group
Enter port group
view
port-group { manual
port-group-name |
aggregation agg-id }
Enable BPDU tunneling for the
Ethernet port
bpdu-tunnel dot1q enable Required
Disabled by default
To do... Use the command... Remarks
Enter system view system-view -
Enable BPDU tunneling globally bpdu-tunnel dot1q enable Optional
Enabled by default
Enter
Ethernet
interface
view or port
group view
Enter Ethernet
interface view
interface interface-type
interface-number
Use either command
Configured in Ethernet
interface view, the setting is
effective on the current port
only; configured in port
group view, the setting is
effective on all ports in the
port group
Enter port group
view
port-group { manual
port-group-name |
aggregation agg-id }
Enable BPDU tunneling for the
port
bpdu-tunnel dot1q enable Required
Disabled by default
Disable STP for the port stp disable Required
Enable STP BPDU tunneling for
the port
bpdu-tunnel dot1q stp Required