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MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL
SYSTEM ADMINISTRATION
CHAPTER 4: SYSTEM ADMINISTRATION
Software Upgrade States
The figure and table below describe the entire software upgrade finite state machine.
FIGURE 4–19: Software Upgrade State Machine
Table 4–19: Upgrade States and User Actions
Event
Description
New Software
User copies a valid software image.
Reboot
User reboots the system.
Upgrade
User clicks Upgrade button.
Finalize
User clicks Finalize button, approving upgrade.
Fallback
User clicks the Fallback button.
Next system reboot loads the Fallback image.
Retry
User clicks the Retry button.