Debug Spanning-Tree Switch - Cisco ME 3800X Command Reference Manual
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Also See for ME 3800X:
- Installation manual (80 pages) ,
- Software manual (956 pages) ,
- Manual (94 pages)
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Appendix B
Cisco ME 3800X and ME 3600X Switch Debug Commands
debug spanning-tree switch
To enable debugging of the software interface between the Spanning Tree Protocol (STP) and the port
manager, use the debug spanning-tree switch command in privileged EXEC mode. To disable
debugging, use the no form of this command.
Syntax Description
all
errors
flush
general
helper
pm
rx
state
tx [decode]
Defaults
Debugging is disabled.
Command Modes
Privileged EXEC
Command History
Release
12.2(52)EY
Usage Guidelines
The undebug spanning-tree switch command is the same as the no debug spanning-tree switch
command.
OL-28238-01
debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors |
interrupt | process} | state | tx [decode]}
no debug spanning-tree switch {all | errors | flush | general | helper | pm | rx {decode | errors |
interrupt | process} | state | tx [decode]}
Displays all spanning-tree switch debug messages.
Displays debug messages for the interface between the spanning-tree software
module and the port manager software module.
Displays debug messages for the shim flush operation.
Displays general event debug messages.
Displays spanning-tree helper-task debug messages. Helper tasks handle bulk
spanning-tree updates.
Displays port-manager event debug messages.
Displays received bridge protocol data unit (BPDU) handling debug messages. The
keywords have these meanings:
•
decode—Display decoded received packets.
errors—Display receive error debug messages.
•
interrupt—Display interrupt service request (ISR) debug messages.
•
process—Display process receive BPDU debug messages.
•
Displays spanning-tree port state change debug messages;
Displays sent BPDU handling debug messages. The keyword has this meaning:
decode—(Optional) Display decoded sent packets.
•
Modification
This command was introduced.
Cisco ME 3800X and ME 3600X Switch Command Reference
debug spanning-tree switch
B-27
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