ONT become UNKNOWN on U2000

Issue Description

ONT shows unknown status at U2000.
OLT 1

Handling Process

1. Confirm with customer whether in CLI OLT normal or not and try to click ”Find” to refresh .
2. Customer feedback CLI is normal and Find not solved the issue.
OLT 2
3. advise customer collect related logs on U2000 server
1.       Login the server by putty use root user and take the capture

tcpdump host xx.xx.xx.xx -s 0 -w /opt/oss/onustatusissue.cap -i any

2.       Recur this issue(open the GPON ONU)
3.       Login the server by file tools and collect this logs.

/opt/oss/server/var/logs/Develop/BmsAccess*01/*

4 .. Run follow command in server CLI to export some database table, feedback all txt files in /opt/oss folder(Replace the xxxxxx by sa password)

#su - ossuser
#. /opt/sybase/SYBASE.sh
#bcp BMSDB..bms_gdm_DeviceTab out /opt/oss/BMSDB..bms_gdm_DeviceTab.txt -SDBSVR -Usa -Pxxxxxx -c -t,
#bcp BMSDB..bms_gdm_ObjectTab out /opt/oss/BMSDB..bms_gdm_ObjectTab.txt -SDBSVR -Usa -Pxxxxxx -c -t,
#bcp BMSDB..bms_cfg_tab out /opt/oss/BMSDB..bms_cfg_tab.txt -SDBSVR -Usa -Pxxxxxx -c -t,
#bcp MCDB..tbl_usercfg_param out /opt/oss/MCDB..tbl_usercfg_param.txt -SDBSVR -Usa -Pxxxxxx -c -t,
#bcp BMSDB..bms_gpon_OntTab out /opt/oss/BMSDB..bms_gpon_OntTab.txt -SDBSVR -Usa -Pxxxxxx -c -t,

4. Collected and feedback the logs, on the analysis device type and version doesn’t match ,cause operation mib failed , it should be the mainboard have ever changed or device type have ever changed  or ip  changed with a different device ;
OLT 3
5. We ask customer to check which model choose when they add the OLT .
OLT model is MA5800 but customer added OLT and choose MA5608T .  it is different.
in OLT CLI :
olt 4
in u2000:
OLT 5
6. Advise customer to add OLT again and choose correct model and type. then issue resolved.

Root Cause

OLT model and type different with in U2000 . model mismatch

Solution

Advised customer to choose correct model and version .