Supported Upgrade Paths (OCSBC, OESBC and OCSR)

The OCSBC, OESBC and the OCSR support the following in-service (hitless) upgrade and rollback paths:

• S-Cz8.2.0 to S-Cz9.0.0
• S-Cz8.3.0 to S-Cz9.0.0
• S-Cz8.4.0 to S-Cz9.0.0
• S-Cz8.4.0p3 to S-Cz9.0.0
• S-Cz8.4.0p5C (and newer) to S-Cz9.0.0

  Note:

  Do not upgrade to S-Cz9.0.0 directly from S-Cz8.4.0p4, S-Cz8.4.0p5 or any S-Cz8.4.0p5 OOC patches up to S-Cz8.4.0p5B. If running these versions, upgrade to S-Cz8.4.0p5C before upgrading to S-Cz9.0.0.

When upgrading to this release from a release older than the previous release, read all intermediate Release Notes for notification of incremental changes.