Stack Firmware Synchronization - Dell PowerEdge M420 Configuration Manual

Stack Firmware Synchronization

Use the Stack Firmware Synchronization page to control whether the
firmware image on a new stack member can be automatically upgraded or
downgraded to match the firmware image of the stack master.
To display the Stack Firmware Synchronization page, click System → Stack
Management → Stack Firmware Synchronization in the navigation panel.
Figure 8-6. Stack Firmware Synchronization
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Managing a Switch Stack