Stp Timer-Factor - HP 12500 Series Command Reference Manual

Parameters
time: Sets the max age (in centiseconds) in the range of 600 to 4000 in increments of 100 (as in 600,
700, 800).
Usage guidelines
In the CIST of an MSTP network, the device determines whether a configuration BPDU received on
a port has expired based on the max age timer. If yes, a new spanning tree calculation process
starts. The max age timer is ineffective for MSTIs.
HP recommends not setting the max age timer with this command. Instead, you can specify the
network diameter of the switched network by using the stp bridge-diameter command and let the
spanning tree protocols automatically calculate the optimal settings for the max age timer. If the
network diameter uses the default value, the max age timer also uses the default value.
Examples
# In MSTP mode, set the max age timer to 1000 centiseconds.
<Sysname> system-view
[Sysname] stp timer max-age 1000
Related commands
stp bridge-diameter
•
stp timer forward-delay
•
stp timer hello
•

stp timer-factor

Use stp timer-factor to configure the timeout interval by setting the timeout factor.
Timeout interval = timeout factor × 3 × hello time.
Use undo stp timer-factor to restore the default.
Syntax
stp timer-factor factor
undo stp timer-factor
Default
The timeout factor of a device is set to 3.
Views
System view
Predefined user roles
network-admin
mdc-admin
Parameters
factor: Sets the timeout factor in the range of 1 to 20.
Usage guidelines
After the network topology is stabilized, each non-root-bridge device forwards configuration
BPDUs to the surrounding devices at the interval of hello time to determine whether any link is
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