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Cisco Bug: CSCup29053 - Criticality in path switch failure message needs to be corrected

Last Modified

Dec 24, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

16.1(0)

Description (partial)

Symptom:
Criticality in path switch failure message needs to be corrected

Conditions:
Scenario :

1. Attach
2. Send path switch request without src mme ue s1ap id.
MME sends path switch failure with cause  Abstract-syntax-error(Falsely-constructed-message).
However the message criticality seems to be incorrect.  S1 Application Part (S1AP) (19 bytes)
  | 0... .... | Ext bit : 0
  | .10. .... | Choice index : Unsuccessful Outcome (2)
    Procedure Code :   PATH SWITCH REQUEST (3)
    Criticality
      | 01.. .... | Ignore (1)
    PATH SWITCH REQUEST Value : 

The message criticality needs to be set as reject . This is as per 36413 - 

pathSwitchRequest S1AP-ELEMENTARY-PROCEDURE ::= { INITIATING MESSAGE PathSwitchRequest SUCCESSFUL OUTCOME PathSwitchRequestAcknowledge UNSUCCESSFUL OUTCOME PathSwitchRequestFailure PROCEDURE CODE id-PathSwitchRequest CRITICALITY reject
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