4–28 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.
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