Specifications

show spanning-tree
238
Loop Guard:OFF PortFast:OFF
BPDUFilter:OFF RootGuard:ON
>
Display items in Example 5
Item Meaning Displayed information
Single Spanning Tree: Operating status of the
protocol (Single Spanning
Tree)
Enabled: The Spanning Tree Protocol is running.
Disabled: The Spanning Tree Protocol is not running.
Mode Configured protocol type STP:
The protocol type is set to STP mode.
Rapid STP:
The protocol type is set to Rapid STP mode.
Bridge ID Bridge ID on the Switch --
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC Address MAC address MAC address of the Switch
Bridge Status Status of the Switch Root: Root bridge
Designated: Designated bridge
Path Cost Method Path cost length mode Long: 32-bit values are used for the path cost value.
Short: 16-bit values are used for the path cost value.
Max Age Maximum valid time of
BPDUs
Maximum valid time of BPDUs sent from the Switch
Hello Time Interval for sending
BPDUs
Interval for sending BPDUs that are regularly sent from
the Switch
Forward Delay Time required for a state
transition of the port
Time required for a state transition when the state
transition is triggered by the timer
Root Bridge ID Bridge ID for the root
bridge
--
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC Address MAC address MAC address for root bridge
Root Cost Root path cost Path cost value from the Switch to the root bridge
0 is displayed if the Switch is the root bridge.
Root Port Root port Displays the port number of the root port. If the root port
is a link aggregation port, the port list for the channel
group and the channel group number (ChGr) are
displayed.
A hyphen (-) is displayed if the Switch is the root bridge.
Max Age Maximum valid time of
BPDUs sent from the root
Maximum valid time of BPDUs sent from the root bridge