What is an idea behind second reboot for firmware update after update installed? Why this is not done in one step?
But it would still likely be a second reboot - even if automatic, because ...There certainly is potential for improvement here, because when the automatic firmware upgrade is selected in the settings
it is the first thing the router does after reboot to the new version, before interfaces are brought up etc.
So there could be another option to immediately reboot again at that point, and load the new firmware, before proceeding to
bring up the interfaces etc. This would minimize the disruption to the network due to updates.
(of course best would be when the firmware numbering was changed again so it is only changed when the firmware really
has any changes, not only the version number)
The second reboot isn't the problem. The slow one is the first - when the router is doing all the upgrade. The problem is the fact that it isn't automatic. It increases the workload and time needed to complete the task.But it would still likely be a second reboot - even if automatic, because ...