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Issue with decoding NGAP messages

asked 2021-04-22 23:16:55 +0000

ricdean88 gravatar image


I'm using Wireshark 3.4 or 3.2.13 and I can see Registration request in packet 9271, but not Registration accept in packet 9362. it says in NAS PDU encrypted data.

However a colleague of mine. on his 3.2.1, he can see the non encrypted data. please help advise.

Thanks, Ric

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Can you compare your profiles? Might it explain the different results? If not then see if you can provide a sample that you can share and file a bug report.

hugo.vanderkooij gravatar imagehugo.vanderkooij ( 2021-04-23 07:36:36 +0000 )edit

2 Answers

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answered 2022-02-04 09:46:10 +0000

tam gravatar image

In order to decode 5G-EA0 ciphered (NULL) messages, Go to the preference of NAS-5GS and check Button "Try to detect and decode 5G-EA0 ciphered messages"

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answered 2021-04-23 07:41:36 +0000

Anders gravatar image

Check the preferences of NAS-EPS and NAS-5GS and try "force decoding..."

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Asked: 2021-04-22 23:16:55 +0000

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Last updated: Apr 23 '21