Displaying And Debugging Mstp - 3Com 7700 Configuration Manual

238 C 8: STP O
HAPTER PERATION
Displaying and
Debugging MSTP
Configuring in Ethernet Port View
Perform the following configuration in Ethernet port view.
Enable/Disable MSTP on a Port
Table 42
Operation
Enable MSTP on a port.
Disable MSTP on a port.
Restore the default MSTP state on the port.
For more information about the commands, see the Switch 7700 Command
Reference Guide.
Note that redundant route may be generated after MSTP is disabled.
By default, MSTP is enabled on all the ports after it is enabled on the device.
After you configure MSTP, execute the display command in all views to display
the running of the MSTP configuration, and to verify the effect of the
configuration. Execute the reset command in user view to clear the statistics of
MSTP module. Use the debugging command in user view to debug the MSTP
module
Table 43 Display and Debug MSTP
Operation
Show the configuration information about the
current port and the switch.
Show the configuration information about the
region.
Clear the MSTP statistics information.
Enable/Disable MSTP (packet
receiving/transmitting, event, error)
debugging on the port.
Enable/Disable the global MSTP debugging.
Enable/Disable specified STI debugging
Command
stp enable
stp disable
undo stp
Command
display stp instance instance-id [ interface
interface-list ] [ brief ]
display stp region-configuration
reset stp [ interface interface-list ]
[ undo ] debugging stp [ interface
interface-list ] { packet | event }
[ undo ] debugging stp { global-event |
global-error | all }
[ undo ] debugging stp instance instance-id