Displaying And Debugging Mstp - H3C S9500 Series Operation Manual

Operation Manual – STP
H3C S9500 Series Routing Switches
Caution:
It is recommended that after enabling STP, you disable the broadcasting function of
BPDU to prevent the BPDU packets, which are received by ports that did not
participate in the generation of spanning trees, from being forwarded to other ports,
(which can cause errors during STP generations). Avoid using this function on
VPLS-enabled LPUs so that STP packets can be forwarded in the VPLS network
transparently

1.3 Displaying and Debugging MSTP

After the above configuration, execute the display command in any view to display the
running of the MSTP configuration, and to verify the effect of the configuration. Execute
the reset stp [ interface interface-list ] command in user view to clear the statistics of
MSTP module. Execute the debugging command in user view to debug the MSTP
module
Table 1-32 Display and debug MSTP
Display the MSTP information about the
current switch.
Display the configuration information
about the current port and the switch.
Display the current configurations of the
specified service board.
Display the configuration information
about the region.
Display TC statistics
Clear the MSTP statistics information.
Enable event debugging of MSTP for a
specified port.
Disable debugging of MSTP for a
specified port
Enable event debugging of MSTP
Disable event debugging of MSTP
Enable packet debugging of MSTP
Operation
1-35
Chapter 1 MSTP Region-configuration
Command
display stp
display stp [ instance instance-id ]
[ interface interface-list | slot slot-num ]
[ brief ]
display stp slot number [ brief ]
display stp region-configuration
display stp [ instance instanceid ] tc
{ all | detected | received | sent }
reset stp [ interface interface-list ]
debugging stp
interface-list ] { lacp-key | packet |
event }
undo debugging
interface-list ] { packet | event }
debugging stp event
undo debugging stp event
debugging stp packet
[ interface
stp [ interface