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Q1. when you plug is you Sky SR203 hub, do you use the same DSL cable as used for DSL-AX82U.
Yes, came cable
Q2. do you switch of the DSL-AX82U nightly
No
Q3. do you make many changes to the DSL-AX82U as this can impact synch rate overtime.
No, until issues cropped up a while back I would not touch it, except for updating firmware
Q4, Are DSL-AX82U and SR203 hub in same location in you home ?
yes
Q5. when was last time a full factory reset was carried out ?
On this unit I haven’t done one, as I not long had it replaced thinking it could be a physical issue with the router. So this unit is about a week or so old
Q6. are you running the latest firmware for the DSL-AX82U ?
Not currently, it was until this morning when I reverted back to the previous version to see if it made much difference. Same issues on this version, current one, and also gnutons current version.
thanks
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I do get CRCs etc over the course of the day, the prior screenshots the router had not been up long. Here’s a fresh one now it’s been up a few hours and you can see CRC, ES etc errors have occured. These don’t occur on the Sky one. Would have thought in this case it would be a hw fault with the asus, but have recently replaced that. The sky one does support ginp too
Also am paying for the 80/20 package although am about 800m from the cabinet so not expecting full speeds. Seems very odd though that the sky one should sync so much higher.
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SRA is enabled here but only just turned that on to see if it made a difference (it didn’t), was previously off
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Sure I have attached some screenshots.
Weirdly it’s not just the sync speed that is lower but it is also the max attainable, when the sky router is on the max attainable and the sync speed is about 64mbps.Also interesting is that in this screenshot the asus one has been plugged back in for about half an hour and there is 7305 FEC errors. With the sky one it has roughly 750 per 15minutes, or roughly 1500 over the same time frame so quite a lot less. I’ve been getting a fair few CRC, ES, SES errors during the course of the day with the Asus but difficult to know when as it’s not constant all day.
Sky sky one is the SR203
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Over the past 14 hours
FEC: 1447
HEC: 0
CRC: 6
ES: 4
SES: 0
I think these stats are pretty good? Just seems really odd that their tester reads a lot higher (and that wasn’t even directly into the socket, they tested via the dsl cable by plugging the end that is in the ASUS into their tester) and the old isp router also synced higher, just this ASUS one seems to be struggling a bit
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I’ve been having some strange issues with this router since the last update and I can’t help but think it’s the new dsl driver in the latest version.
My speed has been slowly decreasing over time, currently synced at 54mbps. I had openreach over to check the line and they confirmed when they plug their tester into the dsl cable they get 64mbps, so something to do with the router.
I plugged in an old ISP router I had buried away, and that synced at almost 63.
I guess I will try and go back to the old firmware and see what happens. In the current release notes it says it uses the new driver ‘by default’, is it possible to select to use the old driver whilst keeping the new firmware then? I’d like to not lose the other enhancements in the current version.
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Just wondering what’s everyones thoughts on running Merlin on the DSL-AX82U? I note there is an offshoot that supports the DSL version. Worth it?
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It seems this issue with 5ghz was client related and not the router at all … I saw a suggestion to disable ‘wake on magic packet’ and ‘wake on pattern match’ in the interfaces settings and strangely it seems to have fixed it, no strange latency issues for about a day now. Fingers crossed!
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I’ve noticed with this router that my ping times if I ping the local router IP are all over the place, veer between 1ms and 500ms.
I am using a wifi 6 network adapter, don’t have any other local wifi networks to compete on the same channel (although I have tried changing channel).
On the 5ghz band which has the issues (2.4ghz does not, pings 1ms consistently), I have manually set it to 80mhz width, disabled universal beamforming (ax beamforming and ofdma/ax mu-mimo are enabled but don’t make a difference to the latency issues if turned off)
Are there any other settings that might be giving me such latency issues on 5ghz?
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So I had a chat with ASUS and they “ASUS” are going to rename the option “Android Phone” and call it “Legacy” this will be suitable for both Android and iOS mobile devices etc. going forward. Note: The option name “Android phone” should work with iPhone already, just the naming convention was not correct (it will be going forward)
———- The option name “Android Phone” will be updated to “Legacy” in later firmware. Use this option for iPhone. ———Interesting choice to call tethering legacy – is it legacy really? what’s a more modern non-legacy choice to tethering? Bizarre!
Thanks for following that up though, good to know it’s a UI thing and that iPhone should now work. That’s a really useful feature, it’s nice to know ASUS are still working to bring new features to the device.
Also, just for reference, I reset and updated to the latest firmware again and the synch speed dropped back down 2.something mbps sitting at 57.6mb Not a lot admittedly but it seems there is a difference that’s within that firmware.
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TBH – 2Mb is not worth a discussion with ASUS but the iPhone option is interesting. Changelog for 3.0.0.4.388_22048 details ‘Added iPhone USB tethering connection support’ is this what you are referring to ?. and as you say, when UI section for USB tethering is open, no reference to iPhone was obvious. Anybody else noticed this with their DSL-AX82U ?
Indeed that was the thing that piqued my interest in the new version – there’s been a few times that would have come in handy when my dsl line went down.
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Ok I installed the prior firmware. There was a 2 mbps boost to synch rate at the same SNR. Not exactly back up to where I was before, but a boost nonetheless.
Additionally if anything is going to be fed back to ASUS – I notice in the release notes for the latest version they included support for iPhone 4G tethering. When I checked (before I reverted the fw) in USB Application > 3G/4G the options were still USB modem or Android Phone. If support for iPhone has indeed now been included, it wasn’t reflected within the UI section for USB tethering.
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I notice there is a newer dsl firmware in the latest version though so maybe that’s part of it.
As SNR values are the same, very likely DSL driver, if you do revert back and sync rate increases, let us know as I will let ASUS know also

I’ve never reverted back a fw version of this, do I just upload the older one in the same was as an upgrade? And doing a normal upgrade it keeps all settings – will this do the same or need to input them all again?
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Has anyone noticed a lower sync speed on the latest firmware?.
Regarding Sync rate, has you SNR values changed ?
SNR margin remains at 3.1 which it was at before?
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I haven’t tried re-loading the old firmware yet – i’ve been wanting to not cause too many reboots/disconnections in case it drops the line any further. I’ll try re-loading the old one shortly though. I notice there is a newer dsl firmware in the latest version though so maybe that’s part of it.
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