Notes on multiple NIC environments

Symptom

If the NAS can be accessed through multiple networks, the backup data is sent across all those networks. 

Cause

This happens because the SMB multi-channel feature of SMB 3.0 sends data through multiple paths. This feature is available in Windows Server 2012 and newer versions. 

Workaround

Execute the following PowerShell command to disable SMB multichannel:

 Set-SmbClientConfiguration -EnableMultiChannel $false

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