F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Command Reference-6PW100

92
• region-name
• vlan-mapping modulo
stp bpdu-protection
Use stp bpdu-protection to enable the BPDU guard function.
Use undo stp bpdu-protection to disable the BPDU guard function.
Syntax
stp bpdu-protection
undo stp bpdu-protection
Default
The BPDU guard function is disabled.
Views
System view
Default command level
2: System level
Examples
# Enable the BPDU guard function.
<Sysname> system-view
[Sysname] stp bpdu-protection
stp bridge-diameter
Use stp bridge-diameter to specify the network diameter, the maximum possible number of stations
between any two terminal devices on the switched network.
Use undo stp bridge-diameter to restore the default.
Syntax
stp bridge-diameter diameter
undo stp bridge-diameter
Default
The network diameter of the switched network is 7.
Views
System view
Default command level
2: System level
Parameters
diameter: Specifies the switched network diameter, ranging from 2 to 7.
Usage guidelines
An appropriate setting of hello time, forward delay, and max age can speed up network convergence.
The values of these timers are related to the network size, and you can set the timers by setting the