Specifications

show spanning-tree
236
Item Meaning Displayed information
PortFast The PortFast status. The
receive status of BPDUs is
displayed enclosed in
parentheses.
OFF: PortFast is not operating.
ON: PortFast is operating.
BPDU Guard: The BPDU guard functionality is being
applied to PortFast.
The receive status of BPDUs is displayed when this
item is On or BPDU Guard.
 BPDU received (when PortFast is On: The port
is included in the calculations of the Spanning Tree
topology, when PortFast is BPDU Guard: The
port is down)
 BPDU not received (the port is not included in
the calculations of the Spanning Tree topology)
BpduFilter BPDU filter ON: The BPDU filter functionality is being applied.
OFF: The BPDU filter functionality is not being used.
Root Guard Root guard functionality ON: The root guard functionality is being applied.
ON(Blocking): The root guard functionality is running
and the port is blocked.
OFF: The root guard functionality is not being used.
BPDU Parameters Information about received
BPDUs on the port. The last
time a BPDU was received is
displayed enclosed in
parentheses.
Displays information about the BPDUs received on the
port.
This item is not displayed if BPDUs are not received.
If the port is blocked by the root guard functionality, this
item displays information about the BPDUs that caused
the port to be blocked.
Designated Root Root bridge information
stored in the BPDU
--
Priority Bridge priority 0 to 65535
The lower the value, the higher the priority.
MAC Address MAC address MAC address for root bridge
Designated Bridge Information about the bridge
that sent the BPDU
--
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 Root path cost of the bridge that sent the BPDU
Port ID Information about the port
that sent the BPDU
--
Priority Port priority 0 to 255
The lower the value, the higher the priority.
Number Port number 0 to 897