Archer C9 keeps rebooting/restarting randomly
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Archer C9 V5 this week started rebooting randomly. I already replaced power supply from different unit (I used two other power supplies - one with 12V and 2A output, and another with 12V and 2.5A), but this doesn't helped. I refleshed firmware, used compressed air to remove dust from inside (nothing really get out, so it's probably clean inside). I saw many similar problems - what happened? It's insane!
Also I have this error in LOG, but I saw that this is "normal" (creating software that in normal condition output errors to log is not normal, but we are on tp-link, so here everything could be normal):
[946] Config importing failed
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So we have quite similar environment.
What about USB, are you using any disk plugged-in to router? I have one for TimeMachine purposes (but it's there for last one year, and everything WAS working good).
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So the USB is not source of the problem. This need to be investigated by tplink - of course I can send back on warrenty, but this is not looking like hardware problem. For many people C9 stareted rebooting last few days. And symptoms are same. Nothing helped, reconfiguration or firmware flash also didn't. It must be something IN the software. It doesn't metter if any apple product cause this, because router should be bullet proof from that point of view.
Few years ago I had on my company network one tplink access point and it was restarting like crazy. Simmilar symptoms caused (at the end) by some android device that we used for development purposes. And after 1.5 year (!) they released firmware update with exact note, that some android devices could cause stability problems... this is how tplink support sold devices. No mesh support for C9, no firmware update, unsolved bugs...
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Hi, I just replied to your another post in the below link, please confirm:
https://community.tp-link.com/en/home/forum/topic/179006
Thanks~
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Another question: are you logged in to tplink cloud?
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Tested with cloud, without cloud, changing firewall parameters, disabling ALG na UPnP - nothing helps. It definetly must be bug in software and some overflow.
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I have been having the same issue for the last 2 weeks as in this thread and as reported in quite a few others. Logs produced after each reboot same as per 1st in thread https://community.tp-link.com/us/home/forum/topic/220148
Had the router for 11 months.
Model: Archer C9
Hardware Version: V5
Firmware Version: 1.2.4 Build 20190403 Rel 63839 (4555)
Tried new Ethernet cables, factory resets, removed all cables from lan ports leaving Ethernet from cable modem to Wan port only and use of up to 12 wifi devices mix of 2.4ghz & 5ghz.
Using original power adapter that came with router and tried different power points.
No changes in devices or ISP during problem period.
2 - 10 random reboots every day & all devices disconnect. Light sequence: all come on then all off other than power light which flashes before eventually becoming solid followed by both wifi & internet lights. Reboot completes & Internet/devices reconnected between 2-5 minutes.
While rebooting I can connect the Ethernet cable going into the wan port into a laptop and establish an internet connection (takes a few minutes as MAC address registers with ISP).
ISP cannot identify any problems from their end or HFC network and believe problem with my router.
Any ideas?
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Hi Mendo. The exact same scenario that you described happends to me as well. Had mine for 2 years without any issue. It all started for two weeks ago. I got another firmware from TPlink engineer but for 5 minutes ago the same thing happened again so its nothing wrong with the firmware you have.... Do you have a philips hue? I saw mine was updated 2020-10-02. I cant remember exact when this started but it was around 2 weeks ago. Do you think this can cause the issue? @Mendo
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