Use spanning-tree hello-time coammand to configure the hello time of the switch.
Use no spanning-tree hello-time command to restore to the default hello time.
spanning-tree hello-time seconds
no spanning-tree hello-time
【Parameter】
seconds:Hello Time in seconds to be configured. This keyword ranges from 1 to
10 seconds.
【Default】
The default hello time is 2 seconds
【Command configuration mode】
Global configuration mode
【Usage】
The system periodically sents STP messages. The period of a root bridge
sending STP messages is the hello time. Hello time is suggested to use 2
seconds.
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