Verify essential fabric information and clear all faults to ensure a smooth upgrade process.
Check some basic information on your fabric to ensure that you have everything that you need for a smooth upgrade. Specifically, it is critical that you clear all faults.
Although some faults are described as specific issues in Pre-upgrade validation tools, you should always clear any faults before performing an upgrade except for the faults that are expected due to configurations in staging phase.
Procedure
| 1. | Clear all your faults. |
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| 2. | Perform a configuration export with AES Encryption. |
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| 3. | Verify access to out-of-band IP addresses of all your ACI nodes (all your APIC nodes and switch nodes). |
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| 4. | Verify CIMC access for all your APICs. |
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| 5. | Verify console access for all your switches. |
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| 6. | Understand Changes in Behavior in Release Notes of both APIC and ACI switches for versions between the target and current version. |
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| 7. | Understand Open Issues and Known Issues in Release Notes of both APIC and ACI switches for the target version. |