Supported Upgrade Paths

The following in-service (hitless) upgrade/rollback paths are supported by the OCSLB:

• S-Cz8.1.0 to S-Cz9.1.0
• S-Cz8.3.0 to S-Cz9.1.0
• S-Cz8.4.0 to S-Cz9.1.0
• S-Cz9.0.0 to S-Cz9.1.0

Endpoint Capacity Configuration during Upgrade

If you are upgrading fromS-Cz8.1.0 or S-Cz8.3.0 to S-Cz9.1.0 , ensure that the endpoint capacity configuration in setup entitlements, LB Endpoint Capacity is not greater than 5 million before upgrade. The upgrade may fail if this number is greater than 5 million.

In addition, during upgrade, the number of endpoints in the entitlement should be readjusted if memory is less than 32GB. Specifically:

• If memory is between 16GB to 32GB, then the total number of endpoints in entitlements should be less than or equal to 2.5 Million endpoints.
• If memory is less than 16GB, then the total number of endpoints in entitlements should be less than or equal to 1 Million endpoints