NDmpcopy失败、并显示错误消息Connection setup for transfer failed

• ONTAP 9
• NDMP

•  使用NDMPcopy将卷从一个集群复制到另一个集群失败、并显示错误消息""Ndmpcopy: Connection setup for transfer failed。

Ndmpcopy: Starting copy [ 2 ] ...
Ndmpcopy: 10.0.xx.xx: Notify: Connection established
Ndmpcopy: 10.14.xxx.xxx: Notify: Connection established
Ndmpcopy: 10.0.xx.xx: Log: Session identifier: 63930
Ndmpcopy: 10.0.xx.xx: Log: The control connection is established on 10.0.xx.xx which is hosted on port e0M. This is a low bandwidth port and might impact performance.
Ndmpcopy: 10.0.xx.xx: Connect: Authentication successful
Ndmpcopy: 10.14.xxx.xxx: Connect: Authentication successful
Ndmpcopy: 10.14.xxx.xxx: Log: Session identifier: 62262
Ndmpcopy: Connection setup for transfer failed
Ndmpcopy: Done

• 确保  preferred_interface_role 已将此选项配置为使用可成功与备份应用程序提供的二级存储设备IP地址通信的LIF角色类型。
• 验证两个站点上的所有生命周期均已启动且正常运行。