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Cisco Bug: CSCvv60952 - SGSN not send re-attach required when Cancel Location Request with Reattach-Required bit=1 received

Last Modified

Sep 03, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.17.6

Description (partial)

Symptom:
UE doesn’t reattach after SGSN receives reattach-required bit 1 in Cancel Location Req from HSS.
Because SGSN doesn’t send ?re-attach required? in Detach Request when Cancel Location Request with Reattach-Required bit=1 is received.
With the same scenario, it is not observed for 4G UE on MME.

Conditions:
Initial attach in 3G.
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