Juniper JUNOS OS 10.3 - SOFTWARE, Manual

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Table 222: Summary of Spanning-Tree Protocols Output Fields (continued)
Values Field
The system ID. Extended System ID
An internally generated instance identifier. Inter Instance ID
Maximum age of received bridge protocol data units (BPDUs). Maximum Age
Total number of STP topology changes detected since the switch last booted. Number of topology changes
Spanning Tree Interface Details
Interface configured to participate in the STP instance. Interface Name
Logical interface identifier configured to participate in the STP instance. Port ID
Port ID of the designated port for the LAN segment to which the interface is attached. Designated Port ID
ID of the designated bridge to which the interface is attached. Designated Bridge ID
Configured cost for the interface. Port Cost
STP port state:
• Forwarding (FWD)
• Blocking (BLK)
• Listening
• Learning
• Disabled
Port State
MSTP or RSTP port role, Designated (DESG), backup (BKUP), alternate (ALT), or
root. Role
Spanning Tree Statistics of Interface
Interface for which statistics is being displayed. Interface
Total number of BPDUs sent. BPDUs Sent
Total number of BPDUs received. BPDUs Received
Number of seconds until the next BPDU is scheduled to be sent. Next BPDU Transmission
Related
Documentation
•
show spanning-tree interface on page 1653
•
show spanning-tree bridge on page 1644
•
Configuring Spanning-Tree Protocols (J-Web Procedure) on page 1580
•
Configuring STP (CLI Procedure) on page 1580
Copyright © 2010, Juniper Networks, Inc. 1588
Complete Software Guide for Junos
®
OS for EX Series Ethernet Switches, Release 10.3