[slave1]stp ?
bpdu-protection Specify BPDU protection function
bridge-diameter Specify bridge diameter
config-digest-snooping Specify
configuration digest snooping
disable Disable spanning tree protocol
dot1d-trap Specify the 802.1d trap switch
enable Enable spanning tree protocol
instance Spanning tree instance
interface Specify interface
max-hops Specify max hops
mcheck Specify mcheck
mode The Spanning tree protocol
mode
pathcost-standard Specify
STP port path cost standard
portlog Specify the LOG switch of info
of ports state change
priority Specify bridge priority
region-configuration Enter MSTP
region view
root Specify root switch
tc-protection Specify TC protection function
timer Specify timer configuration
timer-factor Specify aged out time factor
[slave1]stp enable