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Home Networking ASUS Malaysia Networking User & Technical Support, Managed by ASUS Malaysia Representative

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yongtjunkit
post Mar 20 2020, 05:26 PM

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QUOTE(Jjuggler @ Mar 20 2020, 05:02 PM)
Haha.
Are you by any chance using stock firmware? Try to flash to merlin firmware and see if it helps.
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Yup, stock firmware... My only issue with merlin is somehow internal DNS doesn't work properly.... I'm using Pi-Hole as my DNS
yongtjunkit
post Mar 20 2020, 06:51 PM

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QUOTE(blacktubi @ Mar 20 2020, 06:46 PM)
You probably that enabled some features that caused NAT acceleration to not work.

Known offender : traffic analyzer and bandwidth limiter
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Well I do have bandwith limiter turned on but usually, it won't cause the CPU to go up this high
yongtjunkit
post Mar 20 2020, 07:52 PM

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QUOTE(Jjuggler @ Mar 20 2020, 07:30 PM)
One small clarification from your side, before you update to the latest firmware, is your router cpu usage graph, high?
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Nope( I recall it being pretty low on usage), the latest firmware I’m running is the one that protects against the krook attack
yongtjunkit
post Mar 20 2020, 08:01 PM

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QUOTE(Jjuggler @ Mar 20 2020, 07:58 PM)
Then you may report to ASUSmy regarding this. Since this is more into a firmware issue. If the previous firmware don't really cause a huge spike while the newer one does, then there is bug in the firmware that needed to be addressed by the developer itself, immediately.
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Is it possible to downgrade the firmware for the time being, or maybe I should try factory resetting the router to make sure that I didn't messed up configuring the router?

This post has been edited by yongtjunkit: Mar 20 2020, 08:01 PM
yongtjunkit
post Mar 20 2020, 08:16 PM

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QUOTE(blacktubi @ Mar 20 2020, 06:46 PM)
You probably that enabled some features that caused NAT acceleration to not work.

Known offender : traffic analyzer and bandwidth limiter
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Reenabled NAT acceleration, disabled bandwidth limiter(didn't reboot).... still show processed by CPU

guessing a reboot is required for it to switch over to NAT acceleration

update: After rebooting, CPU usage is still high.. 90%++ on both cpu cores, CTF (Cut Through Forwarding) is enabled.(nat acceleration)

This post has been edited by yongtjunkit: Mar 20 2020, 08:24 PM
yongtjunkit
post Mar 20 2020, 08:51 PM

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QUOTE(Jjuggler @ Mar 20 2020, 08:46 PM)
Yes. You can. Proceed with normal method of upgrading the firmware.  biggrin.gif
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I’m assuming after downgrading, it’s best to reset the router?
yongtjunkit
post Mar 21 2020, 07:54 AM

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QUOTE(blacktubi @ Mar 20 2020, 06:46 PM)
You probably that enabled some features that caused NAT acceleration to not work.

Known offender : traffic analyzer and bandwidth limiter
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QUOTE(Jjuggler @ Mar 20 2020, 09:04 PM)
First monitor first if the problem were solved. If not, reset the router.
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A factory reset significantly reduced the router CPU usage, still got spikes from time to time but not as high as it used to maintain roughly at least 90% of cpu usage

user posted image
yongtjunkit
post Mar 21 2020, 12:56 PM

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QUOTE(Jjuggler @ Mar 21 2020, 12:30 PM)
The the unit running on the latest firmware or the previous firmware? Factory reset tends to solve the problem always, it is just, most of us quite hesitate to choose it as an option since 'malas' want to reconfigure everything from scratch. I do understand that feeling.  biggrin.gif
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Latest firmware, yup.... actually feel malas to do it but no choice
yongtjunkit
post Mar 27 2020, 07:26 PM

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QUOTE(Jjuggler @ Mar 21 2020, 12:58 PM)
Im glad. Do update us if any prob persists near in the future.  biggrin.gif
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QUOTE(blacktubi @ Mar 20 2020, 06:46 PM)
You probably that enabled some features that caused NAT acceleration to not work.

Known offender : traffic analyzer and bandwidth limiter
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QUOTE(WaNaWe900 @ Mar 21 2020, 05:17 PM)
Good for you  thumbsup.gif
So like most gadget... Factory reset do resolve something ya  thumbup.gif will kept that in mind too
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An update, the issue came back again, didn't mess with the router... somehow it went up on its own
ASUSmy is this a known issue with this firmware?
Router: Asus RT-AC68U
firmware version: 3.0.0.4.385_20253
Already did a factory reset as the trobleshooting steps
user posted image

This post has been edited by yongtjunkit: Mar 27 2020, 08:34 PM
yongtjunkit
post Mar 27 2020, 08:33 PM

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QUOTE(Jjuggler @ Mar 27 2020, 08:20 PM)
Hi there mate. Thank you for your update. However, I am running asus-merlin with scripts (Diversion + Skynet + Uptime monitoring + speedtest). This is my cpu reading.

user posted image
I believe it should be a firmware issue (bugs). Don't worry mate, you're not alone as discussed in a dedicated ASUS RT-AC68U Firmware version 3.0.0.4.385.20253 thread, here. Downgrading towards the previous firmware solves the issue. Just use the feedback feature through the asuswrt panel to submit your report.  nod.gif
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I see, thanks for letting me know that's I'm not the only one experiencing this issue


This post has been edited by yongtjunkit: Mar 27 2020, 08:39 PM
yongtjunkit
post Mar 27 2020, 08:41 PM

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QUOTE(Jjuggler @ Mar 27 2020, 08:35 PM)
If downgrading to the previous firmware gives you good result, then it is a bug issue. You're welcome mate.
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yup, in the meantime, time to send a report to Asus, with 6 hours debug log attached
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yongtjunkit
post Mar 27 2020, 08:47 PM

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QUOTE(boxsystem @ Mar 27 2020, 08:34 PM)
Waiting for my AX3000 to be integrated together with AC86u and AC68u. Hopefully, things will go well.
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This router Ai mesh function doesn't work with AC series of router yet?

QUOTE(Jjuggler @ Mar 27 2020, 08:36 PM)
I am more interested to get the AX86U.  tongue.gif
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the AX86U has less gamer ish look... which I will definitely appreciate, my current router still works fine for now( other than the firmware bug)
yongtjunkit
post Mar 27 2020, 09:00 PM

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QUOTE(Jjuggler @ Mar 27 2020, 08:58 PM)
They will issue a fix soon. No worries.
I am planning to upgrade my current router. The ac68u had served me for nearly two-years and it gives me less headache. Easy to maintain and highly customizable. If the ax86u suits my budget, then I will buy one. thumbup.gif
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I'm using it since early 2016, still works fine today(other than the firmware bug) thumbup.gif

This post has been edited by yongtjunkit: Mar 27 2020, 09:09 PM
yongtjunkit
post Mar 28 2020, 07:28 AM

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QUOTE(boxsystem @ Mar 27 2020, 10:54 PM)
It does work but I can still get dead spots around my house, especially on 2nd floor. Also, I would love faster speeds on AX series.
Will definitely look into this.
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You do have AX devices connected to it? By any chance got difference for AC devices( most of my everyday devices are wireless AC now)?
yongtjunkit
post Mar 28 2020, 07:49 AM

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QUOTE(Jjuggler @ Mar 27 2020, 08:35 PM)
If downgrading to the previous firmware gives you good result, then it is a bug issue. You're welcome mate.
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Downgrading did reduce the CPU usage, time to wait for a new firmware to be released by ASUSmy in the meantime

thank you for your help
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This post has been edited by yongtjunkit: Mar 28 2020, 07:51 AM
yongtjunkit
post Mar 30 2020, 02:26 PM

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Hi, is it possible to set 2 different DNS on the DHCP server? There's no option for it on the web UI of the Asus RT-AC68U
I would like to set
DNS 1 : 192.168.1.xx - pihole, so that I can see more detailed stats on pihole and also maybe faster DNS response?
DNS 2 : 192.168.1.1 - the router Wan DNS( in the event I need to update DNS settings without disrupting the entire network)
user posted image

This post has been edited by yongtjunkit: Mar 30 2020, 02:29 PM
yongtjunkit
post Mar 30 2020, 06:27 PM

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QUOTE(blacktubi @ Mar 30 2020, 05:10 PM)
Go to WAN page, don't touch the DNS settings here as it will disable dnsmasq.

Fill the first one with your PiHole IP and second one with Google DNS or whatever DNS of your liking.
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👍, btw what is dnsmasq and what it does?
yongtjunkit
post Apr 1 2020, 11:47 AM

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Just received an Asus router app update today,

Does this even work with the RT AC68U?

on Mobile app
user posted image

on Asus RT-AC68U web UI, click and drag not working
user posted image

The game boost function... on the mobile app, Don't have Game boost on web UI
user posted image

This post has been edited by yongtjunkit: Apr 1 2020, 11:49 AM
yongtjunkit
post Apr 1 2020, 02:24 PM

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QUOTE(hongli.11.hongli @ Apr 1 2020, 01:15 PM)
Bro this is something new??
Where to find this?
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update the asus router app, got it this morning

This post has been edited by yongtjunkit: Apr 1 2020, 02:39 PM
yongtjunkit
post Apr 1 2020, 02:26 PM

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QUOTE(ASUSmy @ Apr 1 2020, 01:41 PM)
Hi yongtjunkit,

We are adding the RT-AC68U in the gaming router family, do expect new features available on the router soon.  biggrin.gif

Thank you
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Wow, nice to hear that rclxm9.gif ... hope that the high CPU usage bug is fixed as well thumbsup.gif thumbup.gif

Also at the moment, these function is not working, right?

This post has been edited by yongtjunkit: Apr 1 2020, 02:38 PM
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