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Cisco Bug: CSCus11049 - Assertion Failure at sess/mme/mme-app/access/access_s1.c:5960

Last Modified

Feb 08, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(22) 16.3.1 16.4.5

Description (partial)

Symptom:
Session Manager task restarts to recover from an unexpected error encountered at the procedure:
send_connection_response()

Conditions:
Seen on a Cisco ASR5k MME running software versions 15.x and 16.x when the following sequence happens

1)attach in 4G
2)move to idle
3)service request
4)during initial context setup send Uplink SMS
5)send inital UE TAU.
6)Send Ext service request in initial UE.
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