Notes on multiple NIC environments

Symptom

If can access the NAS via multiple networks, the backup data is sent to multiple networks.

Cause

This is because the SMB multi-channel function of SMB 3.0 transfers data via multiple routes.
This function is implemented in Windows Server 2012 or later.

Workaround

Execute the following PowerShell command to disable SMB multichannel.

 Set-SmbClientConfiguration -EnableMultiChannel $false