Dell POWEREDGE M1000E - Manual (Page 994)

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference
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Appendix B Cisco Catalyst Blade Switch 3130 and 3032 for Dell 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.
On a stacking-capable switch, when you enable debugging, it is enabled only on the stack master. To
enable debugging on a stack member, you can start a session from the stack master by using the session
switch-number privileged EXEC command. Then enter the debug command at the command-line
prompt of the stack member. You also can use the remote command stack-member-number LINE
privileged EXEC command on the stack master switch to enable debugging on a member switch without
first starting a session.
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
12.2(40)EX1 This command was introduced.
Command Description
show debugging Displays information about the types of debugging that are enabled.
show spanning-tree Displays spanning-tree state information.