[lostcause]

Loaded up Firmware Version:9.1.2.3_rev708fa_0 and the 5G disable boot issue is indeed resolved.

Thanks to Sentinel and the ASUS DSL Team for addressing this so quickly

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[lostcause]

OK loaded Firmware version v1.1.2.3_790  onto my AC-51 and low & behold it didn’t boot again. So I found the radio 5G OFF setting was causing this. See previous post.

Firmware version v1.1.2.3_790 bugs

• 5G radio OFF while 2,4G radio ON causes AC-51 router to hang on a reboot / power-cycle. (WPS button behavior is on Toggle Radio, if that matters)
• – System Log – General Log,  fails to load completely or does not show the the latest entries / loading partially. This is under Chrome browser.
  The webpage at https://192.168.1.1:8443/cgi-bin/status_log2.cgi might be temporarily down or it may have moved permanently to a new web address.

Will update again if it makes it past 17 days runtime ;-)

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[lostcause]

Thanks Asus and Sentinel (for bugging Asus on FW issues) for the update

ASUS Firmware version v1.1.2.3_790 (This product supports both Annex A and Annex B)
New:
– Now supports Feedback > DSL Line Diagnostic feature(for no USB port model).

DSL:
– VDSL WAN (PTM) QIS manual setting list updated, added Italy ISP Vodafone.
– ADSL WAN (ATM) QIS manual setting list updated, added Lebanon ISP Ogero.

Bug fixes and enhancements:
– Fixed possible invalid Feedback status leads to no logs download link issue(under Feedback sent failure state).
– Fixed Web UI > invalid Android/iOS App icons issue.
– Fine tune Feedback > Diagnostic “No USB disk plug-in” case.
– After Feedback > DSL Line Diagnostic completed, /jffs/ related logs will be cleared to free up space.
– Fine tune Live Update mechanism.
– Fixed failed to work with the OpenVPN profile of Avira issue.
– Fixed pptp client failed to work with ppp-2.4.7 module issue.
– Fixed wrong OpenVPN server state issue.
– OpenVPN server: update default compression to yes.
– Fixed OpenVPN wrong type conversion/ wrong state after client run successfully issue.
– Fixed the problem that PPPoE Username can’t use special character ‘$’.
– Fixed various Web UI related issues.

Security:
– protect_srv: enhanced with lock time backoff. 1) Record each IP address with fail count. 2) Add lock rule for each IP address. 3) Lock all if too many rules at a same time.

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[lostcause]

DSL-AC51 running Beta_790 – runtime maximum of 17 days.

After 14 – 17 days runtime the router locks up and needs a HARD reset.
Last time I looked after 16 Days, free RAM was down to 5 MB.

One other thing, the router does not power up by itself after a power outage, firmware update or memory lock-up. It just hangs.
To get it going again I have to press and hold the reset button and power it up for 30 seconds so that it goes into to rescue mode. Power off and repeat the same, press and hold the reset button and power it up for 30 seconds.  Only then after 2 or 3 rescue mode attempts it powers up normally again. The router retains its settings.
I have 5G radio disabled, maybe that’s causing it ?

So I ended up with a router that stops working after max 17 days, and wont boot anymore (even after a power-cycle) which is a major annoyance. ;-(

edit: new firmware is here

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[lostcause]

jonathan wrote:

1.1.2.3_552 I tried all day did not change. snr margin fixed, only downstream crc increasing. 17a profile no g.inp and vector.

If your ISP did not implement modern techniques like G.INP and.or vectoring you should be on an interleaved profile.
System Log – DSL Log –> Path Mode

If you’re not on interleaved but on Fast Path () you need to reduce your line speed by increasing SNR Margin or call the ISP to check your line for interference or ask to be put on interleaved which causes additional latency unfortunately.

Goto  Administration – DSL Setting – VDSL settings –> Stability Adjustment
Start with 7 dB and work up to get your line more stable.

for ADSL
Goto  Administration – DSL Setting – common settings –> disable Dynamic Line Adjustment (DLA)
ADSL settings –> Stability Adjustment

 

 

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[lostcause]

People with many CRC errors, are you on;

• ADSL or VDSL ?
• Uncapped line or not ?
• Interleaved or Fast Path ?
• G.INP available ?
• G.vector enabled (VDSL) ?

All these things matter a lot in line noise reduction. Not the dslam brand, infineon/ broadcom.
Post your System Log – DSL Log Line stats here if you think it will help.

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[lostcause]

Took a bit longer than expected due to a power outage, but router is now running 14 days stable with beta_790, surpassing the old record of max 12 days. Memory usage is slowly creeping up, so will have to see how many more days it will last.

DSL-AC51 running Beta_790 – runtime 1 day – Free RAM 7 MB – stable

DSL-AC51 running Beta_790 – runtime 14 days – Free RAM 5 MB – stable

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[lostcause]

Emre wrote:

Hello, beta _790. are you satisfied? Is there a problem? When is Official published?

Too early to tell. But I will update here if it has improved.

Still many issues that need to be addressed, like System Log – General Log erratic behavior. But the memory leak issues are the most important to me.

DSL-AC51 running Beta_790 – runtime 1 day – Free RAM 7 MB – stable

 

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[lostcause]

Thanks ! updated DSL-AC51 to beta _790. After the update from beta_783, router did not come up by itself. Had to put it in rescue mode. After another power-cycle it came back ON again.

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[lostcause]

@lostcause – if @kamiboy new firmware fixed the issues, I will ask ASUS if we can have a fix for the DSL-AC51 and others (MediaTeK based devices)

Yes hopefully they look into it. Having to reboot the device every week/other week upsets the ISP DLM.

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[lostcause]

Hello Dear , ASUS contact me and kindly they send me a new beta FW (DSL-N16_9.1.2.3_786-g086cfb6.trx.zip) and i want to share it with you and other people :

https://www.asuswebstorage.com/navigate/a/#/s/0DFB1D256B9244F88F3B3D7FF3425E16Y

hopefully it fix wifi and vpn issues.

DSL-AC51 has the same issues. I reached out to Asus some time ago through the GUI feedback form, but so far no response yet.
Hopefully they will provide a new FW for the DSL-AC51 as well.

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[lostcause]

UK Sentinel wrote:

@lostcause – I will show ASUS this post and see what they say

Thanks, highly appreciated!

Additional info: My router runs almost stock settings and has a light load with only a maximum of 3 devices attached at one time. (2WLAN/1LAN)
I just let it do its job, until it becomes unresponsive.

 

 

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[lostcause]

Mine has been running for 12 days now, with free RAM around 4 MB. Will see how much longer it can go. Firmware Version:v9.1.2.3_783

Ok, had to reboot this morning, router became unresponsive, no connection possible, either through WLAN or LAN.
So it lasted a little over 12 days without reboot.

• before reboot 3/4MB free RAM
• after reboot 11/12MB free RAM
• router only has 3 phones (2 simultaneously) connecting through WLAN and only 1 PC through LAN
• older firmwares that i tried experience the same issue. (But have not tried all versions)
• System log > General log does not show the most recent entries, only older up to a certain timestamp. This timestamp varies after you hit the refresh button. But it seldom shows the most recent log entry. Sometimes it doesn’t show a log it all. The non beta firmware has this issue as well.

Much more minor bugs in the firmware, but the RAM/Reboot issue and the log entries stand out for me.

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[lostcause]

Hello.my asus dsl-n16 has issue with wifi. some times wifi connection drop and i can’t connect to wifi . also i notice that FREE RAM IS ONLY 3 MB!! IS IT NORMAL?

 

Mine does the same, free RAM drops to 4MB.

Usually it runs fine for 1-2weeks, then suddenly you can’t connect through WIFI any more. Turning the radio OFF/ON through the admin page gets it going again.

Also when you have the wireless scheduler enabled, when the wifi radio turns off, it also turns off your LAN.

Mine has been running for 12 days now, with free RAM around 4 MB. Will see how much longer it can go. Firmware Version:v9.1.2.3_783

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[lostcause]

A year between updates wouldn’t be too bad if it weren’t so riddled with bugs and issues in the first place! For some of these issues to go unfixed for a whole year is scandalous.

Even that I dont own a dsl-ac88u, I could not agree more. For an enthusiast product which it is, ..otherwise people would just use the ISP provided modem.., you release firmware updates in a timely fashion. Even if they only contain tiny fixes.
It shows your customers you stand behind your product.

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