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Global settings
It is used to configure and view the global properties of spanning tree functions of the switch.
Parameter description
Name
Description
RSTP
Enable/Disable RSTP function of the switch.
Set the priority of the switch.
System Priority
Priority is an important reference to determine whether the switch will be selected
to work as root bridge, and switch with higher priority will be selected to work as
root bridge under equivalent conditions. The lower the value, the higher the
priority. Priority is 32768 by default.
Hello Time
It specifies the interval at which the switch sends BPDU, which is set to 2 seconds
by default.
It specifies the maximum duration during which the BPDU can be kept in the
switch. The configuration should meet the following formulas:
Maximum Aging
Time
− Maximum Aging Time ≥ 2 × (Hello Time + 1)
− Maximum Aging Time ≤ 2 × (Forwarding Delay - 1)
Forwarding Delay
It specifies the delay that the port state migration takes after the network topology
changes, which is set to 15 seconds by default.
Root bridge status
Chapter 9 Device management 38