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FWG: Wi-Fi from AP stays connected, but frequently drops internet connection

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Danf
  • Edited

Hi Everyone,

FWG owner for about 1 year now. Very please with its overall benefits and ease of use.

Over the past 6 months, I have been getting numerous internet drop-outs at the house when on Wi-Fi. The devices remain connected to the network, but there's no internet outbound. This intermittent internet cycle occurs at random times, lasts about 10 mins, then "fixes" itself without any action.

Yesterday, I replaced my existing router(AP) which was about 5 years old, a Netgear Ac1900, with a brand new monster ASUS Rog AXE16000. Still having the same issue!!!  The internet speed, ping, packet loss is perfect.


Prior to connecting the FWG, we never had any of these issues. So I definitely need your help here!

 

Details:
ISP: Spectrum 400mbps
Modem: Netgear C700
AP: Asus AXE16000
Wi-Fi Coverage and Signal: Maxed out, full strength signal
FWG in router mode

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    Firewalla

    Please see this article on some quick diags https://help.firewalla.com/hc/en-us/articles/360053534593-How-to-debug-network-connectivity-issues-

    We are also aware there is an issue where ISP will change your IPv6 prefix, not sure if the problem is spectrum or not, and that will cause some sites to down. Try to turn off ipv6 and see if things gets better, if it is, then please let me know.

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    Danf
    • Edited

    thanks.

    It's not related to specific websites, but something that kills all connectivity to the internet. wi-fi lan still works perfectly during these episodes.

    Would there be logs in the FWG that captures anything like this?

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    Danf

    this afternoon, i have now also replaced my existing modem (netgear c700) with a brand new NetGear CM2000.

    I also replaced the cat6 cables with ones i checked hardwired on another network.

     

    Same issue already appearing.

     

    When checking the GUI of the Asus AXE16000 router, I do not see the ability yet to disable ipv6.

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    Firewalla

    How is your network laid out? is your Asus in AP mode? if it is, then you will need to disable IPv6 on the Firewalla. (you can do this, tap network, tap on WAN segment, tap on top right edit, and then change ipv6 settings.

    Also, when your network is down, can you ping 1.1.1.1? can you ping firewalla's LAN interface (or your default gateway)? https://help.firewalla.com/hc/en-us/articles/360053534593-How-to-debug-network-connectivity-issues-

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    Danf

    ISP>>FWG in Router Mode>>Asus ROG AXE16000 in AP Mode

    i have now set the FWG to disable ipv6 via the firewalla app.

     

    when the internet drops, the connectivity test in the app fails to ping 1.1.1.1 and github

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    Firewalla

    Does your network work better now? if it does, please let us know, I can get a developer to look at the ipv6

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    Danf

    Unfortunately, it did not help.

    I'll leave ipv6 off for now.

    I found some similar posts of concern and people have reported that flashing the FWG is the fix for this.

    I have completed the flash and will test over the next day. So far, I've been online for 3hrs with no internet drops

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    Firewalla

    you shouldn't need to flash the unit to fix the issue.  Anyway, if you encounter issue again, please use the app to open a case and then send us the logs. We can get a developer jump in and take a look

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  • Avatar
    Danf
    • Edited

    Flashed it and so far, it's still perfect.

    2 or 3 devices still gave me some trouble after the flash process.  Reserving IP addresses in FWG for those devices fixed it.

    Also, the problem devices had MAC randomization on. Turning that off, combined with reserving the IP for each device seems to have fixed the internet issue

    Any thoughts on that?

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    Danf

    We're still experiencing internet drops on wifi. I'd like to be able to send logs to you / give you access to the device.

    How can we kick that off?

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    Firewalla

    I just created a ticket for you, we will follow up there.

    also, when you said you still experiencing wifi issues, does it mean, ethernet connected devices are good? if they are, you may want to reset the AP and see if it solves the issue

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    Danf

    Thanks!

    I have not experienced ethernet related issues. But, only a select few are hard wired and I haven't chased thay side of it.

    We have about 55 devices in total on the FWG.

    I just reset the AP again and will monitor.

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    Donco Borisov

    Hi there, I was reading your post and I am experiencing the same issue. Would you be able to answer if you resolve this issue ? 

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    Firewalla

    Best go over this article https://help.firewalla.com/hc/en-us/articles/360053534593-How-do-I-debug-network-connectivity-issues it has many ways to check where the problem can be.

    1. WiFi

    2. Firewalla (or your router)

    3. WAN

    The most common problem is either the ethernet cable, or if your internet is just a few site down, they may be related to rules you installed

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