Slow Speedtest when AX86U is plugged on 2.5Gbe

[calcal23]

Everyone...


I wanted to share my personal experience with the ASUS RT-AX86U. I have AT&T Fiber and upgraded to the 2 Gbps service last week.

I have the ASUS router set up to be my main networking device for my home. My AT&T box (possibly an ONT) is the 5 gbps (possible) Nokia model. My entire house is hardwired with CAT-7 cables and switches in each room. I do use the wifi from my ASUS as well.

The AT&T box is set up in passthrough mode to let all of the routing and NAT get handled by my ASUS router. In any event, I ran some speed tests over the past week.

The speedtest built into the ASUS router is capped on the upload speed. My download speeds are 2400+ Mbps, when connected to Frontier's Speedtest server. The upload speed is capped at 1 Gbps. I wonder if that is a firmware limitation?? I run the latest official firmware from ASUS...aftermarket firmware is kool, but I don't want to risk it.

The speedtests on the AT&T Box, well...that's running at 2.4 Gbps consistently but, that may be connecting to AT&T's own speedtest servers.

I will say that you need to go into the AT&T firmware settings and change the mutli-gig port on the box to 2.5 Gbps FULL DUPLEX. Also on the ASUS router you need to enable the 2.5 GBps port as a WAN port.

I think with those settings and similar multigig service in your location, you should have similar results.

Yes, I know that I'm lucky to have multigig service in my area (Los Angeles, CA). I'm down right spoiled, but I fully pay for it....

ASUS Router Level Speed Test:

AT&T Box (Possible ONT) Level Speedtest:

 

[calcal23]

Hey everyone!

Hope you're doing great! I just got the FTTH on my flat (5Gbps down / 700Mbps up) and my ISP router have 2.5Gbe port. So I genuinely plug the ISP Router 2.5 to the AX86U 2.5. Everything with CAT 7 cable. Router print 2.5 link speed so everything seems ok. If I plug my computer directly to the ISP router I got 2.3Gbps on speedtest, so far so good. When I plug the ISP to the AX86U the speedtests down oscillate between 600Mbps and 1.1Gbps. I don't really understand why I can't get 2.3Gbps when doing speedtest directly from the router. Furthermore, if I do the speedtest on my computer (B550i + R7 3700X + 32 Go RAM + WiFi 6 AX200 160Mhz) the WiFi link speed is 2400Mbps, so I should normally have at least 1/1.5 Gbps speedtests over WiFi. So why the router seems to be stuck at these slow download rate? I hope it's not because it's hardware is too poor, even more at 300 euros ...

Thanks in advance

See my post...I hope it helps....

 

[airlung]

Any one did a Wi-Fi speed test on a 2.5g isp with iPhones 11 or up? What are the results?

 

[Tech9]

What are the results?

The test result is going to be around 850Mbps throughput with link speed of 1200Mbps and only close to the router.

 

[airlung]

Thx for the reply. I get similar result with the iPhone 13. Is around 850mbps the max wifi6 speed a iPhone can reach no matter the isp service is 1G or 2.5G? With a 2.5G isp, if I run a speed test with 2 iPhone13 together at the same time on the same Wi-Fi router, will each iPhone gets around 850mbps speed? Or the speed will still splits into half to around 400mbps for each iphone as the same with a 1G isp? Thx

 

[Tech9]

Yes and this phone has absolutely nothing to do with close to Gigabit speeds. As I told you already it doesn't need better than 2x2 radio, 160MHz wide channel or MU-MIMO support. It simply doesn't matter for this device and Apple doesn't offer any extra features with zero effect on user experience.

 

[airlung]

Got to tried an old Huawei nova 9 running Wi-Fi 6 5ghz @ 160mhz download speed 1384m. Maybe we do not need to use Wi-Fi 6E if we got an Wi-Fi 6 device that can support 160mhz….