RuggedCom RS8000 Manuel D’Utilisation

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Chapter 6 – Configuring Rapid Spanning Tree 
Learned Hello Time 
The actual Hello time provided by the root bridge as learned in configuration 
messages.  This time is used in designated bridges. 
Configured Forward Delay 
The configured Forward Delay time from the Bridge RSTP Parameters menu. 
Learned Forward Delay 
The actual Forward Delay time provided by the root bridge as learned in 
configuration messages.  This time is used in designated bridges. 
Configured Max Age 
The configured Maximum Age time from the Bridge RSTP Parameters menu. 
Learned Max Age 
The actual Maximum Age time provided by the root bridge as learned in 
configuration messages.  This time is used in designated bridges. 
Total Topology Changes 
A count of topology changes in the network, as detected on this bridge through 
link failures or as signaled from other bridges.  Excessively high or rapidly 
increasing counts signal network problems.  
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