In this video we analyze the wireshark trace from an MME for a UE that is going through the initial LTE attach procedure.
This video is from my Course on 4G.
The full course can be found here - https://tinyurl.com/vwy7zzw8
Other best selling courses:
4G - 4G LTE EPC - Advanced Troubleshooting using Wireshark - https://tinyurl.com/xem6c8n4
5G - 5G Core - Architectures, Concepts and Call Flows - https://tinyurl.com/y7rljqqq