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Cisco Bug: CSCuq63768 - LBM service signal queue high due to inaccurate reservations

Last Modified

Feb 26, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.0(1.10000.24) 10.5(1.10000.7) 10.5(2.10000.5) 9.1(2.10000.28)

Description (partial)

LBM link between LBM is disrupted and remote LBM service is not available.
LBM Service CPU usage will be high and there will be delay in call setup.

Issue happens when CCM service sends huge number of inaccurate bandwidth reservation requests to LBM service. 
This happens because of stale / leaked devices maintained within CCM service and when there are large number of devices sharing a line.
One of the reasons CCM service maintaining stale / leaked devices is CSCuo54416. Because of absence of CSCuo54416 fix , CCM service will send inaccurate number of transactions to LBM Service.
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