Cisco Nexus 9000 Series Troubleshooting Manual page 4

Contents
Troubleshooting Licensing Issues
C H A P T E R 4
Troubleshooting Ports
C H A P T E R 5
Cisco Nexus 9000 Series NX-OS Troubleshooting Guide, Release 7.x
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Verifying Software Upgrades
Verifying a Nondisruptive Upgrade
Troubleshooting Software Upgrades and Downgrades
Software Upgrade Ends with Error
Upgrading the Cisco NX-OS Software
Troubleshooting Software System Reboots
Power-On or Switch Reboot Hangs
Corrupted Bootflash Recovery
Recovery from the loader> Prompt
System or Process Restarts
Recovering System Restarts
Unrecoverable System Restarts
Standby Supervisor Fails to Boot
Recovering the Administrator Password
Using the CLI with Network-Admin Privileges to Recover the Administrator
Password
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Power Cycling the Device to Recover the Administrator Password
Reloading the Device to Recover the Administrator Password
About Troubleshooting Licensing Issues
Guidelines and Limitations for Licensing
Initial Troubleshooting Checklist for Licensing
Displaying License Information Using the CLI
Licensing Installation Issues
Serial Number Issues
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RMA Chassis Errors or License Transfers Between Systems
License Listed as Missing
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About Troubleshooting Ports
Guidelines and Limitations for Troubleshooting Ports
Initial Port Troubleshooting Checklist
Viewing Port Information 38
Troubleshooting Port Statistics from the CLI
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