The NMS reports an FTP communication failure alarm Highlighted

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Hello, everyone. During a project, I encountered the following faults. Now, I will discuss with you.

On the U2000, a user attempts to bind a value-added service (VAS) profile to an ONT. The FTP communication failure occurs and a message is displayed asking the user to check the FTP configuration.

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The U2000 depends on the FTP server to apply a VAS profile. The permission on the folder of the FTP server where XML configuration files are stored is incorrect. As a result, the operations performed by the ftpuser user encounter the FTP communication failure.

The file server status is checked as follows if a VAS-related FTP problem occurs:

1.   On the U2000, choose Administration > Task Schedule > ONT Task List from the main menu.

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 2.         In the ONT Task List window, click the File Server tab.

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If the file server is normal, check whether the permission on 2011/OLTIP/ONT type in the FTP server root directory is normal.

The directory stores the XML configuration files applied from the U2000.

#ls -l /opt/backup/ftpboot/2011/12.11.39.155

Total 52

drwxrwxrwx 2 root root 40960 2014-06-23 08:15 240

drwxrwxrwx 2 root root 4096 2014-06-23 08:15 240F

drwxrwxr-x 2 ftpuser nmsgroup 4096 2014-06-23 08:15 342R

drwxrwxrwx 2 root root 4096 2014-06-23 08:15 EchoLifeHG850a

The preceding information shows that the user who has permission on the directory for the XML files is root, and the user group is root. In normal situations, the user and user group should be ftpuser and nmsgroup respectively.

      Solution

Run the following commands to correct the permission:

# chown  -R ftpuser:nmsgroup /opt/backup/ftpboot/2011/12.11.39.155

# chmod -R 755 /opt/backup/ftpboot/2011/12.11.39.155

     Suggestions and Summary

When a VAS-related FTP problem occurs, check whether the file server on which the VAS depends is normal.

If the file server is normal, check the permission of the corresponding directory.

Example

#ls -l /opt/backup/ftpboot/2011/12.11.39.155

If the permission is incorrect, correct it.

Example:

# chown  -R ftpuser:nmsgroup /opt/backup/ftpboot/2011/12.11.39.155

# chmod -R 755 /opt/backup/ftpboot/2011/12.11.39.155


I hope my sharing will help you. Thank you.

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