I'm also having this issue. Need separate DNS guest settings, or allow/forward DNS request to main network DNS. Currently the workaround is manually enter DNS settings on guest device.

@TP-Link One thing to note, however, is that two OneMesh™ routers cannot create a mesh network. A OneMesh™ router can only be combined with OneMesh™ range extenders or OneMesh™ powerline adapters to...

@TP-Link If that so can you suggest me another mesh router from TP-Link that can manually change the channel width? I'm aware that not all device support certain 5Ghz channel/width, in that case they...

@TP-Link Yes the channel width stays at 20Mhz most of the time. May be two-three times a week it will run on 80Mhz, but just for a few hours. Tried the channel optimization a few times but still no...

Currently my internet connection is 200Mbps up and down. But whenever the 5Ghz channel width is set to 20Mhz I can only get 120Mbps max. "Sometimes" I can see that the channel width is 80Mhz and I...

@TP-Link Ah I see.. may be I visited /us/ version instead /en/ at that time. Thanks for the explanation!