Dell POWEREDGE M1000E - Manual (Page 991)

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Cisco Catalyst Blade Switch 3130 and 3032 for Dell Command Reference
OL-13271-03
Appendix B Cisco Catalyst Blade Switch 3130 and 3032 for Dell Debug Commands
debug spanning-tree
debug spanning-tree
Use the debug spanning-tree privileged EXEC command to enable debugging of spanning-tree
activities. Use the no form of this command to disable debugging.
debug spanning-tree {all | backbonefast | bpdu | bpdu-opt | config | csuf/csrt | etherchannel |
events | exceptions | general | mstp | pvst+ | root | snmp | switch | synchronization |
uplinkfast}
no debug spanning-tree {all | backbonefast | bpdu | bpdu-opt | config | csuf/csrt | etherchannel
| events | exceptions | general | mstp | pvst+ | root | snmp | switch | synchronization |
uplinkfast}
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
all Display all spanning-tree debug messages.
backbonefast Display BackboneFast-event debug messages.
bpdu Display spanning-tree bridge protocol data unit (BPDU) debug messages.
bpdu-opt Display optimized BPDU handling debug messages.
config Display spanning-tree configuration change debug messages.
csuf/csrt Display cross-stack UplinkFast and cross-stack rapid transition activity debug
messages.
This keyword is supported only on stacking-capable switches.
etherchannel Display EtherChannel-support debug messages.
events Display spanning-tree topology event debug messages.
exceptions Display spanning-tree exception debug messages.
general Display general spanning-tree activity debug messages.
mstp Debug Multiple Spanning Tree Protocol events.
pvst+ Display per-VLAN spanning-tree plus (PVST+) event debug messages.
root Display spanning-tree root-event debug messages.
snmp Display spanning-tree Simple Network Management Protocol (SNMP)
handling debug messages.
synchronization Display the spanning-tree synchronization event debug messages.
switch Display switch shim command debug messages. This shim is the software
module that is the interface between the generic Spanning Tree Protocol (STP)
code and the platform-specific code of various switch platforms.
uplinkfast Display UplinkFast-event debug messages.