American Fibertek SMH10p-PoE - Manual (Page 142)

133
the interval between
messages the
spanning tree receives
from the root switch. If
a switch does not
receive a bridge
protocol data unit
(BPDU) message from
the root switch within
this interval, it
recomputed the
Spanning Tree
Protocol (STP)
topology.
spanning-tree hello-
time [seconds]
G Use the spanning-tree
hello-time global
configuration
command to specify
the interval between
hello bridge protocol
data units (BPDUs).
switch(config)#spanning-tree
hello-time 3
spanning-tree forward-
time [seconds]
G Use the spanning-tree
forward-time global
configuration
command to set the
forwarding-time for the
specified spanning-
tree instances. The
forwarding time
determines how long
each of the listening
and
learning states last
before the port begins
switch(config)#spanning-tree
forward-time 20