Overview
Specifies the direct upgrade paths from various 2.3.7.x versions to Catalyst Center 3.1.x, noting the architectural change and an important unsupported upgrade path.
Catalyst Center 3.1.6 is based on a new architecture. To upgrade to version 3.1.6 and use this new architecture, you need to complete the platform upgrade workflow. For detailed information about this workflow and how to complete it, refer to "Scenario 1: Upgrade a single or three-node Catalyst Center cluster" in the Cisco Catalyst Center 3.x Upgrade article.
You can upgrade from one of these Catalyst Center versions:
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2.3.7.7.70047
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2.3.7.7.70047.10
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2.3.7.9.70301
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2.3.7.9.70301.10
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2.3.7.10.70209
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2.3.7.10.70209.10
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2.3.7.11.70047
After you upgrade to 3.1.6, you cannot switch back to an earlier release.