1. Essentials Guide
  2. Introduction to the Core Session Manager S-CZ9.1.5
  3. Upgrade Information

Upgrade Information

This section provides key information about upgrading to this software version.

Supported Upgrade Paths - Hitless

The OCCSM supports the following hitless upgrade and rollback paths:

  • 7.3.5 to S-Cz9.1.5 (VMware platform)
  • S-CZ8.2.5p2 and forward to S-CZ9.1.5
  • S-CZ8.2.5m1 to S-CZ9.1.5
  • S-CZ8.4.5 to S-CZ9.1.5

Supported Upgrade Paths - Hitless Upgrade/Non-Hitless Rollback

The OCCSM supports the following hitless upgrade and non-hitless rollback paths:

  • S-CZ8.2.5 to S-CZ9.1.5
  • S-CZ8.2.5p1 to S-CZ9.1.5

Non-Hitless Upgrade Path

You can perform the following non-hitless upgrade and rollback:

  • 7.3.5 to S-Cz9.1.5 (KVM platform)

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