The NE data backup or synchronize failed on U2000

Created: Aug 31, 2018 14:11:01Latest reply: Sep 11, 2018 10:22:14 449 1 1 0

When NE data backup on U2000, it fails, and shows that the equipment returns an error, please click the link to view details. We click the detail, it shows that failed to connect to the remote host, and we can know that the NE device failed to connect to the U2000 server.

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When try to synchronize the NE configuration data, it fails too.

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 alarm

The NE data backup failed.

 process

1Trying to ftp on the NE device.

Because when backup the NE data or synchronize configuration data, U2000 will send command FTP 10.159.240.120 to NE device (The IP address 10.159.240.120 is the IP address of U2000 server), when NE device receive this command, it will execute command and ftp to U2000 server, and the data to U2000, so we login NE device, and try to FTP U2000, but it fails.  
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2Trying to ping the U2000, it fails;


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3Checking whether configured VPN instance.

Checking the interface configuration, and find that the VPN instance binding on this interface.

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4Trying to ping and ftp again with VPN instance, it succeeds.



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 root cause

Because the NE device configured VPN instance, when ping or ftp to the U2000, it needs to with VPN instance, but when U2000 backup NE data, it send command FTP 10.159.240.120 to NE device (The IP address 10.159.240.120 is the IP address of U2000 server), this command did not with any VPN instance, so it ftp U2000 server failed.



 solution

Execute the command on the NE device:

set net-manger vpn-instance __dcn_vpn__

summary

When the NMS manages devices through a VPN, device management information needs to be sent to the NMS through the VPN.

The set net-manager vpn-instance command is used on a device to set a default VPN instance used by the NMS to implement device management. The default VPN instance will be used by the device to communicate with the NMS.

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yiyi0519  Visitor   Created Sep 11, 2018 10:22:14 Helpful(0) Helpful(0)

it is very useful
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