The reasons why the directly connected address cannot be PING are software problems, wireless core network equipment connection problems 1, and the connection problems between BBU and ITBBU (1). Due to the deletion of a connection method after the software upgrade, BBU and ITB are currently. ...

2.

DU unit is not available (1). Check all parameters of DU cell configuration, including frequency band, central carrier frequency and bandwidth (2) ...

3.

X2/F 1/E 1 Link failure without 5G signal (1) Check the configuration of SCTP docking station between BBU and CUCP. ...

4.

SCG Branch Channel Lost (1) Check the docking configuration and routing configuration between SGW and CUUP (2) ...