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Refer to the exhibit. Two switches on an STP domain are incorrectly configured. The error message is displayed frequently. Which IOS command can be used to troubleshoot the problem?
Issue the "show interfaces [interface] status"
Execute the "show spanning-tree [Bridge-Group]"
Input the command "show processes cpu"
Perform a "debug spanning-tree events"
The log message displayed on the Switch clearly shows that there is a duplex mismatch. Duplex mismatches can cause problems to the convergance of the STP network. To best troubleshoot a duplex mismatch use the command "show interfaces  status" to view the duplex configuration on the switchport. For more information refer to: http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10556-16.html
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