MR60 performance issue in AP mode

[Sputnik91]

I have a Nighthawk AX1800 (MR60 and three MS60 satellites) that I have been using for several years now. Two of the three satellites use an Ethernet backhaul and I have been able to get around 600mbps next to the MR60 and wired MS60s consistently over that time. I decided to use the router built into my modem to utilize it's 2.5gb port (I have 1200mbps internet) so I put the AX1800 system into AP mode. Wireless speeds dropped by a third- I'm now getting around 400mbps. Nothing else has changed, I'm on the same wireless channels (though I have tried changing them and even disabling AX with not much of a difference). Devices connected to the MR60 via Ethernet by way of a switch are unaffected, still getting gigabit speeds. Any ideas to get speeds over wifi back to normal?

[FURRYe38]

Try a factory reset and setup from scratch then configure AP mode? 

What CAT# LAN cable are you using? CAT6 is commended. 

Be sure to disable any wifi radios on the ISP modem.

[Sputnik91]

Thank you for your input. I've tried all of that, I'm using a cat6 cable. I did some testing in the same position next to the MR60 in AP mode, I got 468mbps. I enabled routing and ran another test, 687mbps in the same spot. I tried AP mode again and got 513mbps. I did one last test with routing and the result was 726mbps. I also did tests on a computer via Ethernet that goes through the MR60 each time and the results were always in the 900mbps range.

[FURRYe38]

Sounds like router mode works best.

[FURRYe38]

Wanted to test this as well:

MR Router mode:

iPhone and Android pad:

MR AP mode:

iPhone and Android pad:

4 feet distance between MR and test devices.

Ethernet showed over 900Mpbs in router and AP mode.

[Sputnik91]

That's the issue, I don't want to use them as a router, just access points. But I don't understand why there's there's a big performance hit.

[FURRYe38]

Possible something on the upstream router is causing the MR to degrade and perform slower than expected.

[Sputnik91]

If that were the case wouldn't devices over Ethernet (which are ran through the MR60) be impacted?

[FURRYe38]

Anything is possible. 

[michaelkenward]

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@Sputnik91 wrote:
I decided to use the router built into my modem to utilize it's 2.5gb port (I have 1200mbps internet) so I put the AX1800 system into AP mode.

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Do you have anything that can use speeds over 1000 Mbps?

The MK system can't. Its WAN and LAN ports are limited to 1000 Mbps.

[Sputnik91]

Yes, two desktops have 2.5gb nics. The MR60 is connected to a gigabit port and devices connected to the MR60 over Ethernet are getting the expected +/- 940 Mbps.