During a routine check, a network administrator discovers that several switches are incorrectly assuming the role of the central controlling bridge in a redundant network setup. What should the administrator adjust to rectify this situation and ensure only the designated switch serves as the central controller?
Decrease the bridge priority number on the switch intended to serve as the central controller
Switch all network cables from copper to fiber optic to enhance signal quality
Turn off the protocol that prevents network loops on all network devices
Upgrade the firmware on the switch currently assuming the lead role
Adjusting the priority setting of the designated switch to a value lower than that of the other switches ensures it is selected as the central controlling bridge. This is because within the network configuration protocol designed to prevent loops, a lower numerical value denotes a higher priority for bridge selection. Altering cable types or disabling the loop prevention protocol would not address the issue of bridge role contention and could lead to further network instability.
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