Network Access 'Pauses' Periodically (ReadyOS 6.10.2)

I recently had to reinstall my NasBox from scratch due to having all 4 disks failing.

I am using Flex-Raid, as I need on of my 2 mounts to be encrypted.

The issue I am having is that every 30 minutes (or sometime not for hours, and sometimes more often), the network connection to the server becomes unresponsive for a few seconds.

I have tried turning off all my apps, but the issue still occurs when they are not running.

I have the following services enabled:

SMB, NFS, UPnP, HTTP, HTTPS, SSH

I have disabled: File search and anti-virus and all the other services.

I have disabled avahi, as that seemed to have high CPU usage around the time of the issue sometimes.

It's hard to see what is actually using CPU at the time, as I have no netwrok access while it is oiccuring.

It looks like readynasd also uses a lot of CPU sometimes.

I'm really stumpped at what is causing the issue, especially since it wasn't an issue prior to the complete reinstall (which happend about the time of the latest patch 6.10.2).