5G SA Registration Req fails (no any follow up message after this message) with 'AMF can not select an target AMF by NRF'

Q/A
#1

Hi @free5GC
Would you pls help?

Pcap log:

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image3124×1382 435 KB

free5gc console log:

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image2296×590 416 KB

db data:

db.subscriptionData.contextData.amf3gppAccess.find()
{ “_id” : ObjectId(“601522dbc2c073aff59cedcb”), “ueId” : “imsi-001011234567758”, “amfInstanceId” : “d30cac43-b439-4379-8f9b-3369ab964c8f”, “imsVoPs” : “HOMOGENEOUS_NON_SUPPORT”, “deregCallbackUri” : “”, “initialRegistrationInd” : true, “guami” : { “plmnId” : { “mcc” : “001”, “mnc” : “01” }, “amfId” : “” }, “ratType” : “” }

it used to be below, I delete the amfId as in the ‘registration req’ message UE uses different AMF ID, so I put the amfId as empty above.

db.subscriptionData.contextData.amf3gppAccess.insert( { “_id” : ObjectId(“601522dbc2c073aff59cedcb”), “ueId” : “imsi-001011234567758”, “amfInstanceId” : “d30cac43-b439-4379-8f9b-3369ab964c8f”, “imsVoPs” : “HOMOGENEOUS_NON_SUPPORT”, “deregCallbackUri” : “”, “initialRegistrationInd” : true, “guami” : { “plmnId” : { “mcc” : “001”, “mnc” : “01” }, “amfId” : “cafe00” }, “ratType” : “” })

but still got the same issue (AMF can not select an target AMF by NRF’.)

Thanks a lot!