Specifications

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234
Item Meaning Displayed information
BPDUs
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
bridge
Maximum valid time of BPDUs sent from the root bridge
Hello Time Interval for sending BPDUs
sent from the root bridge
Interval for sending BPDUs that are regularly sent from
the root bridge
Forward Delay Time required for a state
transition of the root bridge
port
Time required for a state transition when the state
transition in the root bridge is triggered by the timer
Port Port number or channel
group number
The number of the port for which information is
displayed or the channel group number
Up The port is in Up status. Indicates that the port is in Up status.
If link aggregation is used, this means that the channel
group is in Up status.
Down The port is in Down status. Indicates that the port is in Down status.
If link aggregation is used, this means that the channel
group is in Down status.