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jolly, 01/29/2024 02:23 PM
Open5GS-Traces¶
!!!TBD!!!¶
Setup of this example¶
- Ericsson RBS 6402 (eNodeB)
- Open5GS (4G network elements)
- OsmoHLR with OsmoDia2GSUP (HSS)
- OsmoMSC (SMS)
Idle¶
When all phones are Idle, one will see the following trace with Wireshark on the link between eNodeB (Ericsson RBS) and MME (Open5GS).
The eNodeB (IP 10.0.15.117) is connected to MME (IP 10.0.15.1) via SCTP. Also the eNodeB syncs its clock to NTP server (IP 10.0.15.1).
The network 10.0.15.0/24 is the RAN network in this example.
4G Attachment¶
A 4G phone is attached to the network, using SIM cards that is registered in the HSS. The APN name used is "internet".
Lets go into detail:
Attach request¶
ESM information request¶
ESM information response¶
Attach accept¶
Attach complete¶
4G Detachment¶
The 4G phone is turned off or the airplane mode is turned on.
Lets go into detail:
h.3 Detach Reqeust
h.3 UE context release
Updated by jolly 6 months ago · 14 revisions