Inter SGSN Routing Area Update

[hikaru022002]

Hi experts,

I have a question about Inter-RAU of SGSN Huawei:

The Success Rate of inter-RAU is calculated by:

Result = ([Gb mode inter-SGSN RAU success times (http://localhost:7891/pages/31184644/09/31184644/09/resources/en/reference/kpi/en_10_40_2_mi_14302.html)] + Number of inter-SGSN RAU failures caused by the user)/ [Gb mode inter-SGSN RAU request times (http://localhost:7891/pages/31184644/09/31184644/09/resources/en/reference/kpi/en_10_40_2_mi_14301.html)]) x 100%


Gb mode Inter-SGSN RAU reject(implicitly detached)(times)

this is the most failure in SGSN. How can I fix it???

Brgds,
Hikaru

[jayk]

Check DETACH TIMER and PERIODIC RA UPDATE TIMER in SGSN, Periodic RA update must be less than the Detach Timer.