Thanks - yeah double checked the VLANs and priority to match that of the Huawei. Still no such luck.
Any ideas on debugging this traffic traversing the WAN interface?
My ISP in the UK ships Huawei HG8245Q2 devices - too many reasons to individually list why, but I want to replace this - preferably with my RT-AX88U (running Merlin 384.14_0). Where live it's single service provider area, and the ISP is very small, and simply doesn't have the resources to...