Netgear M5300-52G3 Command Line Interface (CLI) User Manual - Page 35
Stack Firmware Synchronization Commands, Bootcode Upgrades
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ProSafe Managed Switch Stack Firmware Synchronization Commands Stack firmware synchronization provides an automatic mechanism to synchronize the firmware on stack members whose firmware version differs from the version running on the stack manager. This operation can result in either an upgrade or downgrade of firmware on the mismatched stack member. However, this operation does not attempt to synchronize the stack to the latest firmware in the stack. During firmware transfer and upgrade, operations such as code download and move management can result in undesirable behavior, such as firmware corruption on a code mismatched stack member. As a result, you receive an error if you try to access the following operations from the user interface during stack firmware synchronization: • Move management • Unit renumbering • Code download • Delete image • Update bootcode • Clear config A reboot operation is allowed during stack firmware synchronization. If the firmware is corrupted during stack firmware synchronization, manual intervention by the administrator is required to restore the switch to working condition. During stack firmware synchronization, traps are generated on start, completion, or failure. • Non-deterministic upgrade behavior On bootup, the image that gets synchronized depends on the one that becomes the manager. Which code version the new stack synchronizes to is fully deterministic, but might not be obvious to the user as it depends entirely on which unit becomes the manager. This might be decided by a MAC address comparison. If the administrator wants a particular version to be used by the stack, he should first ensure that this particular unit becomes stack manager. • Bootcode Upgrades Bootcode upgrades are not initiated by the stack firmware synchronization. boot auto-copy-sw This command enables or disables stack firmware synchronization. Default Format Mode Disabled boot auto-copy-sw Privileged EXEC Stacking Commands 35