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Mobility load balancing issue

Publication Date:  2018-03-19 Views:  142 Downloads:  0
Issue Description

Customer configured load balancing handover but did not had mobility load balancing statistics for it.  The site is DBS3900 LTE TDD, software version V100R008C10SPC220.



Handling Process

Customer configured load balancing handover on this site, but did not had mobility load balancing statistics for it.  The site is DBS3900 LTE TDD, software version V100R008C10SPC220.

 

We have asked the customer to provide us the configuration files and board logs for this site and for another site which had mobility load balancing statistics.

 

From main board log, we found that our site is working fine, that it has counter statistics for load based handover.

 

Next step was to check why U2000 could not pull out the load based counters for this site. We have asked the customer to check whether the following counters are activated on U2000 for this specific node:

 

1526727293 L.HHO.NCell.PrepAttOut

1526729900 L.HHO.NCell.PrepAttOut.Load

1526727294 L.HHO.NCell.ExecAttOut

1526729901 L.HHO.NCell.ExecAttOut.Load

1526727295 L.HHO.NCell.ExecSuccOut

1526729902 L.HHO.NCell.ExecSuccOut.Load


 

The customer found that the counters were not activated.

 

Root Cause

Customer configured the load based handover but did not activate the counters for it.

 

Solution

Customer activated the counters for load based handover and could see statistics for this.

 

END