Open5GS-Traces » History » Revision 14
Revision 13 (jolly, 01/29/2024 02:18 PM) → Revision 14/40 (jolly, 01/29/2024 02:23 PM)
h1. Open5GS-Traces h1. !!!TBD!!! h2. Setup of this example * Ericsson RBS 6402 (eNodeB) * Open5GS (4G network elements) * OsmoHLR with OsmoDia2GSUP (HSS) * OsmoMSC (SMS) h2. Idle When all phones are Idle, one will see the following trace with Wireshark on the link between eNodeB (Ericsson RBS) and MME (Open5GS). !wireshark_enb_idle.png! 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. h2. 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". !wireshark_enb_attach.png! Lets go into detail: h3. Attach request !wireshark_enb_attach_attach_request.png! !wireshark_enb_attach_attach_request.png h3. ESM information request !wireshark_enb_attach_ESM_infomation_request.png! h3. ESM information response !wireshark_enb_attach_ESM_infomation_response.png! h3. Attach accept !wireshark_enb_attach_attach_accept.png! h3. Attach complete !wireshark_enb_attach_attach_complete.png! h2. 4G Detachment The 4G phone is turned off or the airplane mode is turned on. !wireshark_enb_detach.png! Lets go into detail: h.3 Detach Reqeust !wireshark_enb_detach_detach_request.png! h.3 UE context release
