The purpose of this article is to discuss a Cisco Nexus Boot Issue and what you can do to resolve it. The problem happens when the CLI on the Cisco Nexus switches crashes and begins to write a bunch of white lines. Unfortunately, power cycling may not help fix the problem. You can try to fix the issue by going through various troubleshooting steps found within Cisco documentation: Cisco Nexus 9000 Series NX-OS Troubleshooting Guide, Release 6.x – Troubleshooting Installations, Upgrades, and Reboots [Cisco Nexus 9000 Series Switches] – Cisco.

If you have not done so yet, open a case with Cisco Support to get their help. If that is not an option for you and if these are brand new switches, you may need to return them. Otherwise, you can contact a Cisco specialist for help in troubleshooting the issue and getting a permanent fix.
Contact a Cisco Specialist Today
Although it may not be budget friendly one of the best things you can do to fix problems on your Cisco Nexus switches is to contact a professional services organization to resolve the issues for you. These experts know how to quickly fix problems relating to boot issues and can help you get you on your way.