Yes sorry - additional information in the light of comments.
I am in the UK and the ISP is Plusnet; the router is the "Plusnet Hub Two" as specified here. The router specs look broadly fine but I know their software is not outstanding. I use Zoom a lot for work and I didn't used to see these...
Grateful for any advice.
I used an Asus RT-N66U for many more or less trouble-free years with John's firmware. But times move on - I have FTTP from a new ISP and it came with a shiny new router. But I suspect the shininess is skin-deep only: I'm now getting some regular dropouts when using...
So, just in case anyone comes to this thread in the future, I seem to finally have a solution.
To get IPv6 working on BT, all the settings are pretty much default except
Prefix delegation requires address request: Yes
Note that above I have Enable DHCPv6 Server: Disable but I changed that...
I'm using John's brilliant Asuswrt-Merlin 374.43 LTS fork (latest release). I'm trying to set up IPv6. My ISP is BT in the UK. The settings that work seem to be mostly simple or default:
Connection Type: Native
Interface: PPP
DHCP-PD: enable
MTU: 1492
LAN Settings
LAN Prefix Length: 56
Auto...
My RT-N66U has been running nicely for years, thanks to John's great work. But I finally thought I'd try to switch on IPv6. Not completely straightforward ...
I'm on BT in the UK. The settings that work seem to be mostly simple or default:
Connection Type: Native
Interface: PPP
DHCP-PD...