SMC Networks ElliteConnect 2.4GHz/5GHz - Manual (Page 125)

Advanced Configuration
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Enable – Enables/disables STP on the wireless bridge. (Default:
Enabled)
Forward Delay – The maximum time (in seconds) this device
waits before changing states (i.e., discarding to learning to
forwarding). This delay is required because every device must
receive information about topology changes before it starts to
forward frames. In addition, each port needs time to listen for
conflicting information that would make it return to a discarding
state; otherwise, temporary data loops might result. (Range: 4-30
seconds)
• Default: 15
• Minimum: The higher of 4 or [(Max. Message Age / 2) + 1]
• Maximum: 30