Dell PowerConnect J-EX4200-24T Software Manual page 1416

Dell PowerConnect J-Series Ethernet Switch Complete Software Guide for Junos OS
Table 178: Summary of Spanning-Tree Protocols Output Fields (continued)
Field
Extended System ID
Inter Instance ID
Maximum Age
Number of topology changes
Spanning Tree Interface Details
Interface Name
Port ID
Designated Port ID
Designated Bridge ID
Port Cost
Port State
Role
Spanning Tree Statistics of Interface
Interface
BPDUs Sent
BPDUs Received
Next BPDU Transmission
Related
Documentation
1344
Values
The system ID.
An internally generated instance identifier.
Maximum age of received bridge protocol data units (BPDUs).
Total number of STP topology changes detected since the switch last booted.
Interface configured to participate in the STP instance.
Logical interface identifier configured to participate in the STP instance.
Port ID of the designated port for the LAN segment to which the interface is attached.
ID of the designated bridge to which the interface is attached.
Configured cost for the interface.
STP port state:
Forwarding (FWD)
Blocking (BLK)
Listening
Learning
Disabled
MSTP or RSTP port role, Designated (DESG), backup (BKUP), alternate (ALT), or
root.
Interface for which statistics is being displayed.
Total number of BPDUs sent.
Total number of BPDUs received.
Number of seconds until the next BPDU is scheduled to be sent.
show spanning-tree interface on page 1407
show spanning-tree bridge on page 1398
Configuring Spanning-Tree Protocols (J-Web Procedure) on page 1336
Configuring STP (CLI Procedure) on page 1336