same packets.
Protocol packets used by STP are Bridge Protocol Data Units
(BPDUs), which are also called configuration messages. A BPDU contains
sufficient information to ensure that a device can complete the spanning tree
computation process. STP transfers BPDUs between devices to determine
the network topology.
4.5.1 spanning-tree
Command Description
spanning-tree:
//This command is used to enable the STP function.
no spanning-tree:
//This command is used to disable the STP function.
Parameter
None
Default
Enable
Command Mode
Global configuration mode
Example
switch(config)# spanning-tree
switch(config)# no spanning-tree
4.5.2 spanning-tree mode
Command Description
spanning-tree mode {stp|rstp|mstp}
//This command is used to set the STP version.
Parameter
Default
stp
Command Mode
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