Before performing troubleshooting HUAWEI SRAN down service. We need to know all parameter in SRAN first.


1. Check Local IP of BTS

LST DEVIP

As result local IP, please look at from bottom to up

  • OM : 10.195.133.2
  • S1-U: 10.195.101.2
  • S1-C: 10.195.69.2
  • 3G: 10.195.37.2
  • 2G: 10.195.5.2  

2. Check VLAN and Gateway IP

LST VLANMAP


As result Gateway IP and VLAN ID, please look at from bottom to up

  • GW OM : 10.195.133.1 VLAN: 2501 
  • GW S1-U: 10.195.101.1 VLAN: 3001
  • GW S1-C: 10.195.69.1 VLAN: 2001
  • GW 3G: 10.195.37.1 VLAN: 1501
  • GW 2G: 10.195.5.1 VLAN: 1001

3. Check OM IP on SRAN

LST OMCH

As result, we can know local OM and destination IP address (U2000) of SRAN as well (Local IP: 10.195.133.2 and Destination (U2000): 10.9.6.192)

4. Check IP BSC, RNC, MME of SRAN

LST SCTPLNK

As result, please look at from up to bottom

  • 3G NCP and IP (RNC) : 10.195.37.2
  • 3G CCP IP (RNC) : 10.195.37.2
  • 2G IP (BSC) : 10.195.5.2
  • 4G IP (MME 1): 10.11.131.230   10.11.131.231
  • 4G IP (MME 2): 10.136.67.230   10.136.67.231

In this case eNB uses 2 EPC