Appendix A
Debug Commands
debug spanning-tree bpdu-opt
Use the debug spanning-tree bpdu-opt privileged EXEC command to enable debugging of optimized
spanning-tree bridge protocol data units (BPDUs) handling. Use the no form of this command to disable
debugging output.
Syntax Description
detail
packet
Defaults
Debugging is disabled.
Command Modes
Privileged EXEC
Command History
Release
12.1(6)EA2
Usage Guidelines
This command can be entered only from the switch console.
The undebug spanning-tree bpdu-opt command is the same as the no debug spanning-tree bpdu-opt
command.
Related Commands
Command
show debugging
show spanning-tree
78-11381-05
debug spanning-tree bpdu-opt [detail | packet]
no debug spanning-tree bpdu-opt [detail | packet]
(Optional) Debug detailed optimized BPDU handling.
(Optional) Debug packet-level optimized BPDU handling.
Modification
This command was first introduced.
Description
Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Configuration Fundamentals
Command Reference For IOS Release 12.1 > Cisco IOS System
Management Commands > Troubleshooting Commands.
Displays spanning-tree state information.
debug spanning-tree bpdu-opt
Catalyst 2950 Desktop Switch Command Reference
A-11