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  1. #11
    Administrator Array MasterC@ASUS's Avatar
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    So you are experiencing a slow WebUI with only 1 client and VPN disabled?
    Have you tried a different Ethernet cable or PC? Is this client a PC or Mac?

  2. #12
    Administrator Array MasterC@ASUS's Avatar
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    Quote Originally Posted by Zaoxen View Post
    Just one that I was interested in.
    The connection to some servers are not stable, that may also lead to other issues. Best to try at least a few different servers.

  3. #13
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    Quote Originally Posted by MasterC@ASUS View Post
    So you are experiencing a slow WebUI with only 1 client and VPN disabled?
    Have you tried a different Ethernet cable or PC? Is this client a PC or Mac?
    Tested plenty of cables. All my PCs are Windows 10.

  4. #14
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    Angry

    Quote Originally Posted by Zaoxen View Post
    I have strange issue with GT-AC5300. It restarts itself randomly on daily basis. Sometimes it's few times a day but can be once a week also. No rule here. Doesn't matter if traffic is high or low. I'm trying to figure this out since April without success. I've used every stable firmware since then.

    Sent it already for warranty repair and got new device. Now I'm pretty sure it's software issue.

    Tried enabling/disabling different features: QoS, Traffic Analyzer, Traffic Monitor, VPN server, Smart Connect, Jumbo Frame, etc. Like them all and want to keep enabled. I also use asucomm.com DDNS domain. I've done many clean Initializations and entered configuration manually.

    My network:
    - about 12 devices connected via wire (additional LAN switch) - PCs, 2xNAS, TV, PS4, SteamLink, etc.
    - about 20 Wi-Fi devices (2,4 and 5GHz bands) - Laptops, tablets, phones, kindle
    - no USB devices

    On same network RT-AC68U worked like a charm. Very stable and fast. Changed for GT-AC5300 for extended Wi-Fi range. Already sold AC68U and there's no going back.


    Issue appears in steps:
    - router slows down, 1 or 2 CPU cores are utilized at 100%, web UI becomes very slow and unresponsive, LAN and Wi-Fi works (10-20 minutes)
    - all wireless clients are disconnected, LAN still works (about 5 minutes)
    - router reboots automatically (about 2 minutes)

    Recently I've discovered that "/usr/sbin/acsd" utilizes one core at 100% and sometimes "nas" proces utilizes second core.

    I've also found that ACSD service was disabled on some devices like here: https://3.bp.blogspot.com/-OsJZw4CSd.../s1600/rem.png


    Is it a known issue? Can I do something with that? Will it be addressed in future firmwares?

    .

    I'm technically having the same kind of issues, where my router reboots randomly in a daily basis, however my issue is someone different to reproduce.

    I only have 3 devices connected to it by wire, Port 1 my main PC(with a VLAN), Port 5 & 6 are used for IPTV(currently not in use) Port 3 has a Hue Bridge and Port 4 has a NAS attached to it.

    My Router starts to reboot when I do the following, I either shutdown or Restart my Main PC, once I do this, it will take about 1min for the Router to just reboot it self, so all my devices will disconnect (Wifi) and once my PC has rebooted, it has no Internet connection (until the router finishes its reboot).

    so yeah kinda weird for my Router (GT-AC5300) to reboot it self when I either restart or shutdown my PC (through windows)

  5. #15
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    Sorry, I think I may have the similar issue. It doesn't happened very often, but enough I noticed. All of a sudden, I lost my internet, which I found out it was the router got reboot itself. I looked at the log the last time it happened, and this is the one that jump out to me.

    May 5 01:05:06 kernel: _ Reboot message ... __________________________________________________ _____
    May 5 01:05:07 kernel: Unable to handle kernel paging request at virtual address 0000807fpgd = ffffffc000789000[0000807f] *pgd=000000003e806003, *pud=000000003e806003, *pmd=000000003e807003, *pte=00600000ff800707Internal error: Oops: 96000007 [#1] PREEMPT SMPModules linked in: tdts_udbfw(O) init_addr( (null) - (null)), core_addr(ffffffbffc16f000 - ffffffbffc174400) tdts_udb(PO) init_addr( (null) - (null)), core_addr(ffffffbffc2c3000 - ffffffbffc2e4b08) tdts(PO) in
    May 5 01:05:07 kernel: __________________________________________________ __________________________

    I would guess this is the caused of the reboot. Any idea what may caused this?

    Thanks.*

  6. #16
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    I've reduced amount of devices in my network.

    LAN:
    - port 3 - Windows 10 PC
    - port 7 - Synology NAS
    - port 4 - Thermostate controller (eQ-3 MAX! Cube)

    Wi-Fi:
    - Xiaomi Mi6
    - Galaxy Note 8
    - iPad Pro
    - Xiaomi MiPad
    - Dell XPS 9550
    - Lenovo Y580
    - Samsung Smart TV


    Still Wi-Fi stops working every single day. I tend to reboot device manualy without waiting to reboot by itself.
    Everything works fine with other routers. This device is a joke. Is there any update coming resolving these issues or should I return it?

  7. #17
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    I've found a culprit of my problems. I'm running almost all settings on default with minimal changes. Smart connect is on with auto channel select enabled.

    The device causing problems is Xiaomi Mi6 phone.
    Android: 8.0.0
    Software: MIUI by xiaomi.eu (stable) 10.0.1.0 (OCACNFH) - latest version

    It was hard to find because issue doesn't happen instantly. Router could work for some time even after Mi6 been disconnected. The only thing that worked was physical power off. Software reboot didn't always work.


    When things start to go bad "/usr/sbin/acsd" fully utilizes one core of cpu. Wi-Fi authentication stops working and all wireless devices disconnect. After few minutes router reboots by itself.

    Issue could be related to two things: Broadcom ACSD Wireless Channel Service vulnerability and/or Android 8.0


    Android:
    https://www.androidpolice.com/2017/1...netgears-orbi/
    https://linustechtips.com/main/topic...eless-routers/
    https://www.snbforums.com/threads/ac...ts-wifi.48421/
    https://forum.xda-developers.com/pix...fault-t3774341

    ACSD:
    https://vuldb.com/pl/?id.97890
    http://www.linux-magazine.com/Issues...d-SOHO-Routers
    https://www.speedguide.net/port.php?port=5916
    https://cve.circl.lu/cve/CVE-2013-4659


    It's funny that Wi-Fi device can kill so powerful router but 20$ TP-Link handles it easily... RT-AC68U also worked fine.

  8. #18
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    this router has ton of wifi issues on current firmware

  9. #19
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    I am having the same issue they have replaced it with a new device and two days in it started doing the same thing when I go back to the AC-5300 I replaced it with the issue goes away. really disappointed that this router is not as stable as the pervious generation

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