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Catalyst 3560 Switch Command Reference
78-16405-05
Appendix B Catalyst 3560 Switch Debug Commands
debug spanning-tree bpdu
debug spanning-tree bpdu
Use the debug spanning-tree bpdu privileged EXEC command to enable debugging of sent and
received spanning-tree bridge protocol data units (BPDUs). Use the no form of this command to disable
debugging.
debug spanning-tree bpdu [receive | transmit]
no debug spanning-tree bpdu [receive | transmit]
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug spanning-tree bpdu command is the same as the no debug spanning-tree bpdu
command.
Related Commands
receive (Optional) Display the nonoptimized path for received BPDU debug messages.
transmit (Optional) Display the nonoptimized path for sent BPDU debug messages.
Release Modification
12.1(19)EA1 This command was introduced.
Command Description
show debugging Displays information about the types of debugging that are enabled. For
syntax information, select Cisco IOS Release 12.2 Configuration Guides
and Command References > Cisco IOS Configuration Fundamentals
Configuration Guide, Release 12.2 > System Management >
Troubleshooting and Fault Management.
show spanning-tree Displays spanning-tree state information.
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