Specifications

STP and MSTP debugging enhancements (CR00016978) 164
Version 291-18
C613-10488-00 REV Q
The following table lists the fields in this output.
Parameter Meaning
ST The ID number of the Spanning Tree that the port belongs to.
Port The switch port whose state is displayed.
State The STP state of the port.
Bl Blocking: forwarding disabled, learning disabled, BPDUs received
Li Listening: forwarding disabled, learning disabled, BPDUs received
(only on AT-9800 series switches)
Le Learning: forwarding disabled, learning enabled, BPDUs received
Fo Forwarding: forwarding enabled, learning enabled, BPDUs received
Di Disabled: forwarding disabled, learning disabled, BPDUs discarded