3Com Switch 8800 Family Configuration Guide

Displaying and Debugging MSTP 151
Tab le 136 Display and debug MSTP
Operation Command
Display the MSTP information about the
current switch
display stp
Display the configuration information
about the current port and the switch
display stp [ instance instance-id ] [ interface
interface-list | slot slot-num ] [ brief ]
Display the current configurations of the
specified service module
display stp slot number [ brief ]
Display the configuration information
about the region
display stp region-configuration
Display TC statistics
display stp [ instance instanceid ] tc { all |
detected | received | sent }
Clear the MSTP statistics information reset stp [ interface interface-list ]
Enable event debugging of MSTP for a
specified port
debugging stp [ interface interface-list ] {
lacp-key | packet | event }
Disable debugging of MSTP for a
specified port
undo debugging stp [ interface interface-list ] {
packet | event }
Enable event debugging of MSTP debugging stp event
Disable event debugging of MSTP undo debugging stp event
Enable packet debugging of MSTP debugging stp packet
Disable packet debugging of MSTP undo debugging stp packet
Enable global debugging debugging stp all
Disable global debugging undo debugging stp all
Enable instance debugging of MSTP debugging stp instance instance-id
Disable instance debugging of MSTP undo debugging stp instance instance-id
Enable STP global error or event
debugging
debugging stp { global-error | global-event }
Disable STP global error or event
debugging
undo debugging stp { global-error |
global-event }
Enable MD5 summary debugging of
Lacp protocol
debugging stp lacp-key
Disable MD5 summary debugging of
Lacp protocol
undo debugging stp lacp-key
Enable debugging of the state machine debugging stp state-machine
Disable debugging of the state machine undo debugging stp state-machine
Enable debugging of the port
information state machine
debugging stp state-machine pim
Disable debugging of the port
information state machine
undo debugging stp state-machine pim
Enable debugging of the state machine
for port role selection
debugging stp state-machine prs
Disable debugging of the state machine
for port role selection
undo debugging stp state-machine prs
Enable debugging of the state machine
for port role transition
debugging stp state-machine prt
Disable debugging of the state machine
for port role transition
undo debugging stp state-machine prt
Enable debugging of the state machine
for port state transition
debugging stp state-machine pst