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Cisco Bug: CSCvv98128 - [SMF-IVT] When there is NO change in TFT, SMF to skip "Bearer TFT" in UpdateBearerRequest

Last Modified

Oct 14, 2020

Products (1)

  • Cisco Wireless Mobile Application

Known Affected Releases

2020.2

Description (partial)

Symptom:
Majority of the UBReq gets rejected with cause "UE Refuses"

Conditions:
1) For an existing dedicated bearer, PCF modifies only QoS. No TFT changes are done
2) SMF sends UpdateBearerRequest with Bearer TFT => Op-code as "No TFT Operation"
3) Some of the UEs are not liking this and sending UBResp with error "UE Refuses".
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