Poor SSD Cache Read Speed 2.5Gbe

Hi, I have spent many hours trying to resolve this issue to no avail. I have a 10th Gen Intel i7 / 48GB / Realtek 2.5Gbe card. 2x 4TB Samsung 860 EVO BTRFS cache and a single 500GB Hynix nvme drive, along with 6 spinners. When I copy Veeam backup files from the cache/nvme drives to a Windows PC (Server 2019 and Windows 11) I get about 130MB/s. When I write a (different) large file from those same Windows PC's to the cache drive I saturate the 2.5Gbe link. Direct copies between the nv

Thanks for that, I didn't come across it in my searches. When I disable bridging reads are 220MB/s+ which is more what I would expect. I do run VM's which was one of the features that brought me to Unraid in 2015, so disabling bridging is not an option. I did try with bridging enabled and no VM's powered on, same slow read speeds. The machine is also in the basement on the other side of the house, so running a second cable would be a pain. *EDIT* I created a