@INTERNET_RYAN I know you're in standalone mode, but see if you can find the IPTV section. In other routers this allows you to add up to two more VLAN tags to a WAN port in addition to the one found...

@INTERNET_RYAN If you add a 1G port in as WAN3, is the WAN VLAN option no longer greyed out for the 1G port? I am wondering if maybe the new ethernet hardware they are using to provide the 2.5G port...

@INTERNET_RYAN Still waiting for mine to arrive, but try this version https://www.tp-link.com/en/support/download/er707-m2/v1/#Firmware

@ken22 ARP conflict probably still exists, even though the older firmware didn't detect it. If you can't make the newer firmware work you have a config issue somewhere. You could have something like...

No. Wall units do not (unfortunately) support wireless mesh backhaul which is what I think you are asking.

shberge wrote @d0ugmac1 yes I use a controller, and second router was a d-link, and i use ppsk on my access point so I added a new password wiht vlan 888 access and everything work immediately,...