ERROR: RADIUS: Timeout for response from remote RADIUS

[C S Mahajan]

R/sir I Configured WAP Gateway and using the Remote radius, I got the following 
Error after I got mapping of IP for IMSI.
ERROR: RADIUS: Timeout for response from remote RADIUS
Is the problem is with my Configuraton side or Remote RADIUS Server side . Also 
please provide solution
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C.S.MAHAJAN,
Mo:9427218821