3Com 8807 - Display Stp

172 CHAPTER 13: MSTP CONFIGURATION COMMANDS
Use the debugging stp state-machine prs command to enable debugging of
the state machine for port role selection. Use the undo debugging stp
state-machine prs command to disable debugging of the state machine for port
role selection.
Use the debugging stp state-machine prt command to enable debugging of
the state machine for port role transition.
Use the undo debugging stp state-machine prt command to disable
debugging of the state machine for port role transition.
Use the debugging stp state-machine pst command to enable debugging of
the state machine for port state transition.
Use the undo debugging stp state-machine pst command to disable
debugging of the state machine for port state transition.
Use the debugging stp state-machine tcm command to enable debugging of
the topology change state machine.
Use the undo debugging stp state-machine tcm command to disable
debugging of the topology change state machine.
Use the debugging stp state-machine ppm command to enable debugging of
the state machine for port protocol transition. Use the undo debugging stp
state-machine ppm command to disable debugging of the state machine for
port protocol transition.
Use the debugging stp state-machine ptx command to enable debugging of
the port transport state machine.
Use the undo debugging stp state-machine ptx command to disable
debugging of the port transport state machine.
Use the debugging stp state-machine tcpm command to enable debugging of
the state machine for topology change protection. Use the undo debugging stp
state-machine tcpm command to disable debugging of the state machine for
topology change protection.
Use the debugging stp interface interface-type interface-number { lacp-key |
packet | event } command to enable specified port debugging of MSTP.
Use the undo debugging stp interface interface-type interface-number {
lacp-key | packet | event } command to disable specified port debugging of
MSTP.
Example
# Enable STP global event debugging.
<SW8800> debugging stp global-event
display stp Syntax
display stp [ instance instance-id ] [ interface interface-list | slot slot-num ] [
brief ]