iManager U2000B V100R006C02SPC301 MA5603T GPON system NE Data synchronisation Failure

Issue Description

Software Version : iManager U2000-B (Access Devices) Version: V100R006C02SPC301
NE Device: MA5603T -MA5600V800R013  ( Huawei GPON System )

Situation :
U2000 Server was deployed to monitor the Access devices MA5603T and corresponding Huawei ONT in order to guarantee the stability of the GPON System.

At Ma5603T, Management IP address through the Meth0/0 was used to connect with the U2000 Server with the specified IP address.

Problem: Customer reported that they cannot achieve the synchronisation of the NE Data on the MA5603T in order to view the current situation of equipment, including the interface boards panel situations and traffic utilization . Customer also reported that they are unable to receive the alarms on the device. they want to resume the monitoring services on the Huawei MA5603T and corresponding devices. 

Alarm Information

Upon synchronisation of the NE Data on U2000 Client, Alarm displayed as follow:
"The frame's data is null, please synchroize device" .

Detailed Alarm of Synchronisation NE Data Failure: 
" Operation failed. Data collection failed.Please check the status of the FTP(SFTP) service and the user rights and root directory configurations. The Networks of NAT, Multi network cards and High Available System need config the XFTP file which is iptable_ne2nms.cfg." 

Handling Process

Troubleshooting logic :

a. Troubleshooting  of the origins leading to the failure synchronisation of NE data
b. Verification of the SNMP Setting
c. Verification of the FTP Server Settings in U2000,including the service testing on FTP and SFTP.
(Service side FTP service Verification )
d. Verification of the FTP client service in MA5603Tby manualy creating a backup task to U2000 server
(Client Side FTP Service Verification)
e. Reset of the FTP service again.
f.Initate the FTP service on both the MA5603T and U2000 Server.

Root Cause

Abnormality on FTP service in both the U2000 Server and Ma5603T
.FTP service cannot establish the FTP connection successfully. Xftp Watcher should also be reset again.

Solution

The FTP service on both the MA5603T and U2000 server have to be reconfigure and initiate again .

At U2000 Server, click Service-> FTP Setting
a. Verification of the Transfer Protocol and File Transfer Service Setting.
b. Configure FTP and SFTP  by default , UserName ftpuser, Password: "Changeme_123". FTP Port is 20 .
c. At FTP Server Setting, reset the Username, password , and the FTP service Status.

At Huawei MA5603T,
a. Activate the FTP
b. Manually start the FTP service by "FTP SET" command. Manually create a Backup task by " Backup configuration ftp x.x.x.x ac.cfg"

Check whether the panel from the equipment can be seen after the synchronization of the NE data , the alarm should also be displayed accordingly.

Suggestions

Our customer can set up routine schedule on backup configuration through snmp and ftp service daily, so that the service can be guarantee to perform normally.