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the network. (References to “ports” in this section means
“interfaces,” which includes both ports and trunks.)
- Default: 20
- Minimum: The higher of 6 or [2 x (Hello Time + 1)].
- Maximum: The lower of 40 or [2 x (Forward Delay - 1)]
• Forward Delay – The maximum time (in seconds) the root
device will wait before changing states (i.e., listening 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 blocking state; otherwise, temporary data loops
might result.
- Default: 15
- Minimum: The higher of 4 or [(Max. Message Age / 2) + 1]
- Maximum: 30
Displaying the Global Settings for STA
Web – Click Spanning Tree, STA Information.