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A client fails to be synchronized with the server because the maximum client deviation is too small

Publication Date:  2012-07-25 Views:  129 Downloads:  0

Issue Description

A new NTP client fails to be synchronized with the server though the network link between the client and server is functional. 

Alarm Information

Null

Handling Process

Change the maximum client deviation to 600 seconds. The fault is rectified. 

Root Cause

Query the NTP settings of the new NTP client. It is found that the maximum client deviation is set to 5 seconds for the client. The time deviation between the client and server exceeds 5 seconds. As a result, the server does not respond to the client. 

Suggestions

The maximum client deviation refers to the maximum time deviation that a client allows from the server. If the maximum client deviation is set to 5 seconds, the server does not respond to the client when the client deviates more than 5 seconds from the server. In other words, the client cannot be synchronized with the server.
With its time manually adjusted, a new client normally deviates largely in time from the server. It is recommended that you set the maximum client deviation to a greater value (600 seconds recommended) for a new client. Reduce the maximum client deviation for the client after you synchronize the client with the server successfully. 
 

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