The router & switch are factory reset and I did not change any thing in either device.

@WhoMe08721

(Speed With Out The Switch) (Speed With The Switch)

@WhoMe08721 I think it a software issue. Not a hardware issue. Casue I tried different switches and it works with them. I was thinking it was the power over ethernet but when I disabled it. It did...

@WhoMe08721

@Clive_A I have try about 40 different cables. We buy premade cable that support over a gig speed.