srsran / srsRAN_4G

Open source SDR 4G software suite from Software Radio Systems (SRS) https://docs.srsran.com/projects/4g
https://www.srsran.com
GNU Affero General Public License v3.0
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External HSS connects with open5gs mme but whole core didnt able to connect to UE. #1268

Closed aniee01 closed 10 months ago

aniee01 commented 10 months ago

Issue Description

I have a setup where i connect an external HSS with open5gs core. I changed the mme.conf file in freeDiamater of HSS (changes listen address of mme and connectTo address for HSS). the MME and HSS connects but when i try to connect with this core using UE , the UE is not able to connect it, although it shows the network but not able to connect with it. In MME terminal , i can see that some authentication warnings pops up. Note** the external HSS is already tested with other cores.

Setup Details

ubuntu 18.04 , open5gs 2.6.6 , external HSS, BladeRF+srsenb , UE (with programmable sim) listenon address and connectTo addrss in changes in mme.conf file of freeDiameter. HSS IP= 192.168.1.201 , MME IP = 192.168.1.17 , ENB IP = 192.168.1.57

Expected Behavior

it needs to connect as it connect with open5gs hss previously

Actual Behaviour

didnt send msgs to HSS , HSS has no communication except watchdog. wireshark error "No Suitable Cells In tracking area". (although mcc, mnc , plmn, tac all are same )

Below are the packets of MME and HSS , taking at the same time at HSS and MME machines. HSSside&_MME_side_packets.zip