Upgrading from an SBC 3.1.x/4.x to SBC 6.2.x involves:
Upgrading Firmware (not applicable to SBC SWe)
Upgrading SBC Application
The Standalone and HA upgrade flows below are are shown for general guidance. Actual software and firmware versions may vary depending upon the upgrade path:
Standalone Upgrade To 6.2.x
For standalone SBC installations, if the application is stopped prior to the upgrade, it will fail. Do not stop the SBX application prior to upgrades from the SBC release 4.x. Ensure that the application is UP.
HA Upgrade To 6.2.x