Table 103: Summary of Spanning Tree Protocols Output Fields (continued)
ValuesField
The time for which the bridge interface remains in the listening or learning state.Hello time
The time for which the bridge interface remains in the listening or learning state
before transitioning to the forwarding state.
Forward delay
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 spanning-tree protocol topology changes detected since the
switch last booted.
Number of topology changes
Number of seconds elapsed since the last topology change.Time since last topology change
NOTE: This option is supported only on
EX4300 switches.
Spanning Tree Interface Details
Interface configured to participate in the spanning-tree protocol instance.Interface Name
Logical interface identifier configured to participate in the spanning-tree protocol
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
Spanning-tree protocol 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
Copyright © 2017, Juniper Networks, Inc.224
J-Web Application Package User Guide for EX Series Switches, Release 14.1X53-A1
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