【Default】
The default forward delay is 15 seconds
【Command configuration mode】
Global configuration mode
【Usage】
When this switch is the root bridge, port state transition period is the Forward
Delay time, which is determined by the diameter of the switched network. The
longer the diameter is, the longer the time is. The default forward delay time, 15
seconds is suggested to use.
Caution:Forward Delay ≥ Hello Time + 2.
【Example】
!Configure forward delay to 20 seconds
QTECH(config)#spanning-tree forward-time 20
7.1.5 spanning-tree hello-time
7-6