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How to perform a Supervisor Engine hardware upgrade in Catalyst 4000/4500 Series Switches

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When you have to perform a hardware upgrade of single Supervisor:

  • Perform a CatOS or IOS upgrade/downgrade if necessary.  

  • Make sure the new Supervisor supports the already installed line cards.  

  • Copy the current configuration to a TFTP server.  

  • Download the configuration to the new Supervisor.

       

When you have to perform a hardware upgrade of both Supervisors running redundancy:

  • Perform a CatOS or IOS upgrade/downgrade on both Supervisors if necessary. 

  • Make sure the new Supervisors support the already installed line cards.  

  • Copy the current configuration to a TFTP server.  

  • Download the configuration to the new Supervisor.  

  • Make sure both Supervisors have the same software and hardware.  

  • Make sure redundancy (if needed) is configured.

       

Note: If the Supervisor upgrade is to be performed on the chassis which is already in production, then to avoid unnecessary down time, you can use a spare chassis in order to configure the Supervisor that is going to be used.

For more information on the software upgrade, refer to Upgrading Software Images on Catalyst 4000/4500 Series Switches.

For further assistance and support, open a service request with Cisco Technical Support.

Comments
Community Member

Very little detail provided in this solution. It never states when to replace the SUP module.

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