CHAPTER
14-1
Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-03
14
Troubleshooting
This chapter provides this information about avoiding and resolving problems related to the switch
software.
• Avoiding configuration conflicts
• Avoiding autonegotiation mismatches
• Copying configuration files to troubleshooting configuration problems
• Troubleshooting Cluster Management Suite (CMS) sessions
• Troubleshooting switch upgrades
• Recovering from corrupted software
• Recovering from a lost or forgotten password
For additional troubleshooting information, refer to the switch hardware installation guide.
Avoiding Configuration Conflicts
Certain combinations of port features conflict with one another. For example, if you define a port as the
network port for a VLAN, all unknown unicast and multicast traffic is flooded to the port. You could not
enable port security on the network port because a secure port limits the traffic allowed on it.
In Table 14-1, no means that the two features are incompatible and that both should not be enabled; yes
means that both can be enabled at the same time and will not cause an incompatibility conflict.
If you try to enable incompatible features by using CMS, it issues a warning message that you are
configuring a setting that is incompatible with another setting, and the switch does not save the change.
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