Anyone seeing speed drop on a 2G+ plan since upgrading to 15.0?

[SG-]

I just got the 5Gbit wisdPi usb adapter and it seems to be performing closer to my anker 2.5Gbit in Sonoma (which is good). my gear is all 2.5Gbit and my internet is 3Gbit fibre.

 

[SG-]

here's some iperf3 between my MacBook Pro 2015 running linux with my previous anker usb-c 2.5Gbit adapter and my MBA M3 with Sequoia and the wisdPi 5Gbit adapter. The connection between both is going over a pretty cheap 2.5Gbit switch that in general only gets about 2.3-2.4Gbit/sec I think from the benchmarks I've seen.

I think maybe I'll take this time to try hunting for some cheap 5Gbit switches now and get another wisdPi adapter for my other MacBook too.

 

[Wolf1701]

I also received two wisdPi adapters and once connected to the macs again got the speed results of the “old” 8156 d-Link with sonoma.

I will now check if the previously reported network instabilities also occur with the 8157s.

I have also reported the issue to Realtek, updated the feedback to Apple and reported it to both macrumors and 9to5, no one seems to care about ethernet on mac anymore. Sad.

Anyway, thanks to wisdPi and SG- for testing with iperf.

 

[SG-]

I'm curious if this adapter can actually reach 5Gbit on Sequoia tho, if you're able to test between both machines directly let us know.

 

[Wolf1701]

I'm curious if this adapter can actually reach 5Gbit on Sequoia tho, if you're able to test between both machines directly let us know.

here we go:

(Direct connection between the two macs, my network hardware has just been upgraded to 2.5gbps, it will be some time before I upgrade to 5/10gbps )

 

[Wolf1701]

Excellent job with this adapter @wisdpi, it doesn't even get hot, so far I haven't detected those network instabilities in the logs anymore (knock on wood).

Guess when the 8157 arrived

 

[SG-]

here we go:

(Direct connection between the two macs, my network hardware has just been upgraded to 2.5gbps, it will be some time before I upgrade to 5/10gbps )

very nice to see near 5Gbit speeds.

 

[SG-]

Excellent job with this adapter @wisdpi, it doesn't even get hot, so far I haven't detected those network instabilities in the logs anymore (knock on wood).

I agree, it stays cool and the adapter comes with both usb-c and usb-a cables in case you need to use it in older systems.

 

[donawalt]

Just got one of the Wavlink 5G adapters (I ordered a WisdPi one too, to test!).

I just plugged it in, out of the box. Speeds look good, you can see the jump in speed here:

So far it's only slightly warm too.

Packet loss/jitter test for 30 seconds was great - no late/dropped packets - I did the "Zoom video" config test, being more rigorous in data sent/received:

Three questions though:

1) The pamphlet mentioned loading a driver for the Mac. I checked there web site, there is one - looks like it might be version 1.0.22. Is this needed, and/or did those with the Wavlink install the driver from the web site?

2) How can I tell which version driver my Mac has now, to see if it's older than 1.0.22?

3) As you can see speeds are full 2Gbps again, yet this was odd - in the settings under the network connection, under hardware, see this - it says the connection is 100BaseTX. Is that due to old driver or just a mistake?

The System Report info:

 

[DanPDX]

Just got one of the Wavlink 5G adapters (I ordered a WisdPi one too, to test!).

I just plugged it in, out of the box. Speeds look good, you can see the jump in speed here:

View attachment 2439400

So far it's only slightly warm too.

Packet loss/jitter test for 30 seconds was great - no late/dropped packets - I did the "Zoom video" config test, being more rigorous in data sent/received:

View attachment 2439404

Three questions though:

1) The pamphlet mentioned loading a driver for the Mac. I checked there web site, there is one - looks like it might be version 1.0.22. Is this needed, and/or did those with the Wavlink install the driver from the web site?

2) How can I tell which version driver my Mac has now, to see if it's older than 1.0.22?

3) As you can see speeds are full 2Gbps again, yet this was odd - in the settings under the network connection, under hardware, see this - it says the connection is 100BaseTX. Is that due to old driver or just a mistake?

View attachment 2439402

The System Report info:

View attachment 2439403

Mine shows the same on my MacBook as well. I did wonder why the 100mb connection speed was listed but if you change to manual there isn't a choice for anything above 2500. Also noticed the Maximum link speed says 2.5gb/s. I am running beta 4 and all of that shows the same for me. Speed are as expected with the 5gb adapters (WisdPi & Wavlink both 8157 chipset) but still slower with any 8156 based chipset adapter.

 

[donawalt]

@DanPDX did you install the driver from their web site or just plug it in?

 

[Wolf1701]

Found this, just for lol

Sequoia 2.5Gbit ethernet slower than Sonoma

It seems that running Sequoia release vs Sonoma is making my 2.5Gbit USB-C (Realtek) ethernet unable to go beyond 1900Mbit/sec vs its previous 2300-2400Mbit/sec on the downstream, however it's upstream is able to hit the same numbers. It's not a huge deal with decrease but I feel any decrease...

arstechnica.com

 

[DanPDX]

@DanPDX did you install the driver from their web site or just plug it in?

Just plugged it in

 

[donawalt]

Been testing the WisdPi adapters, it gets the right speeds for me (2200-2300) as well as the Wavlink one I tested further up. I prefer the WisdPi one as it's a little cooler to the touch.

 

[wisdpi]

Been testing the WisdPi adapters, it gets the right speeds for me (2200-2300) as well as the Wavlink one I tested further up. I prefer the WisdPi one as it's a little cooler to the touch.

Thank you for your support! Although we are using the same chip, we will provide better hardware cooling design and software services. If you have any questions, feel free to contact us!

 

[haralds]

This is using a 10 Gbps ethernet backbone to my Eero 7.

 

[donawalt]

I just updated my one Mac to 15.1, and 2.5G adapters with the Realtek 8156 chip are still showing d/l speeds of 1800-1900 Mbps d/l speed. 5G Adapters with the 8157 Realtek chip show 2200-2300 Mbps. So not fixed yet 😡

 

[Wolf1701]

I just updated my one Mac to 15.1, and 2.5G adapters with the Realtek 8156 chip are still showing d/l speeds of 1800-1900 Mbps d/l speed. 5G Adapters with the 8157 Realtek chip show 2200-2300 Mbps. So not fixed yet 😡

And they never will (perhaps because of the oerrs highlighted in other posts). However if you have a usbc usba usb 3-3.2 adapter you can safely use the ‘old’ 8156 with windows at full speed.

 

[SG-]

And they never will (perhaps because of the oerrs highlighted in other posts). However if you have a usbc usba usb 3-3.2 adapter you can safely use the ‘old’ 8156 with windows at full speed.

yeah I tossed it on my MacBook Pro 2015 running Linux acting as my NAS/Media server and it's able to max out it's speed just fine. just make sure the usb-c to usb-a adapter you get runs at the right speed, the first ones I got were low quality and barely ran at 900Mbit/sec.

 

[wisdpi]

WisdPi WP-UT5 test result on Mac mini M4 2024

About 4.6Gbps

 

[maxsquared]

WisdPi WP-UT5 test result on Mac mini M4 2024

About 4.6Gbps

View attachment 2448953

It’s great to have someone from the manufacturer here! Do you know if Apple has any plans to update the driver for the Realtek 8157 soon?

 

[wisdpi]

It’s great to have someone from the manufacturer here! Do you know if Apple has any plans to update the driver for the Realtek 8157 soon?

Sorry. We also don't know.

 

[jollino]

I wanted to chime in as I just noticed this issue as well (after assuming something was wrong with my ISP), with a Ugreen 8156-based adapter.

One oddity I noticed is that while my WAN speed tests also dropped to sub-2Gb speeds, I am still able to saturate the link over the LAN. That is, iperf3 between my NAS and Mac Mini, using the same Ugreen adapter, consistently gets 2.35 Gb (which is effectively 2.5 minus the overhead).

Can anyone with one of those 8156 adapters confirm if they get the same result? It's a really weird difference; perhaps Sequoia filters out-of-LAN traffic more aggressively? I can't think of anything else.

 

[msncookie]

I wanted to chime in as I just noticed this issue as well (after assuming something was wrong with my ISP), with a Ugreen 8156-based adapter.

One oddity I noticed is that while my WAN speed tests also dropped to sub-2Gb speeds, I am still able to saturate the link over the LAN. That is, iperf3 between my NAS and Mac Mini, using the same Ugreen adapter, consistently gets 2.35 Gb (which is effectively 2.5 minus the overhead).

Can anyone with one of those 8156 adapters confirm if they get the same result? It's a really weird difference; perhaps Sequoia filters out-of-LAN traffic more aggressively? I can't think of anything else.

THIS is exactly what I'm seeing: the adapter works at full 2.5G (minus overhead) both up and down to another 2.5G device on the same switch with iperf. When it talks to devices upstream or on another switch, things get weird.

My situation is pretty severe, where speed tests are between 100-300 mbps down, and 2,200 mbps (expected speed) up. However, tests using the same adapter on my iPhone 16 Pro were perfect.

 

[jollino]

THIS is exactly what I'm seeing: the adapter works at full 2.5G (minus overhead) both up and down to another 2.5G device on the same switch with iperf. When it talks to devices upstream or on another switch, things get weird.

My situation is pretty severe, where speed tests are between 100-300 mbps down, and 2,200 mbps (expected speed) up. However, tests using the same adapter on my iPhone 16 Pro were perfect.

That is even weirder. I have two 2.5 GbE switches (both unmanaged and pretty cheap) between my Mac Mini and my NAS, and I get the full 2.5 Gbit transfer in both directions.

For the record, I even tried disabling IPv6 in case that had something to do with it for remote connections, as I have it disabled on my NAS at this time, but it made no difference; then again, with global IPv6 addresses work the same regardless of how many hops there are. Disabling wifi and the built-in ethernet, and leaving only the 2.5 adapter on, doesn't seem to make any difference either.
I've even spent some time looking at my output for netstat -rn, but I can't really find anything out of the ordinary.

At this point I think we can only hope someone at Apple cares enough to look into it from the inside.