Yep that was it, the trunk port didn't have the VLAN selected, didn't think to check those but I didn't edit it on the working switches either. no idea why this one was the odd one out,

I use Omada for my homelab, I've recently done a hard reset on the OC200 and other devices due to me bricking my network and not having a back up of my config. (lesson learnt) When recreating my...