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Archer C24 internet crashes every 105 minutes

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Archer C24 internet crashes every 105 minutes

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Archer C24 internet crashes every 105 minutes
Archer C24 internet crashes every 105 minutes
2022-08-04 12:51:55 - last edited 2022-08-08 11:23:36
Model: Archer C24  
Hardware Version: V1
Firmware Version: 1.10.0 Build 210830 Rel.72007n(4555)

Hello! Bought a new router - Archer C24.
Everything is fine, but every 1.45 hour (105 minutes) the internet crashes for a few seconds, which is enough to mess up all the web applications I'm working in.
What I figured out:

 

1) It's probably not a wi-fi issue: the PC connected to the router by cable is affected too

2) The cables and ISP are fine: my old previous tp-link router works good with current cables, problems started with new router

3) The problem most likely is settings or firmware (though I'm not sure)

 

What I've tried:

1) Changing the router: it helped, so the router is probably the cause

2) Updating firmware: the newest one didn't fix the problem (I even consider downgrading to some old version, tbh)

3) Resetting router settings to default: no help
3) Changing DNS IPs and setting up a DDNS: as you will see from the logs, there are some DNS-related errors, but that didn't help

4) Cloning previous MAC-Address: no help
5) Putting correct values to DHCP: no help

6) Manually setting local IPs of the devices: no help

Overall I tweaked most of the settings, none of that fixed the problem. But that 105-minutes interval makes me think it's not a hardware, but a software problem.

Here are the screenshots of the settings and logs.

 

81d796ec1d6b4a42818a084f84649e94

The logs when a crash occurs:
 

31 INFO 0days, 01:43:08, [dhcpc]broadcast REQUEST with request ip 77.122.97.235

32 INFO 0days, 01:43:08, [wan]advanced ddns -wanChanged

33 INFO 0days, 01:43:08, [dhcpc]Recv NAK from server 77.121.21.2 with ip 169.254.91.97

34 INFO 0days, 01:43:08, [dnsproxy]Register Dns Detect

35 ERROR 0days, 01:43:08, [dnsproxy]register dns server detect error

36 INFO 0days, 01:43:08, [dnsproxy]Register primary = 0x0, secondary = 0x0

37 INFO 0days, 01:43:09, [dhcpc]Send DISCOVER with unicast flag 0

38 INFO 0days, 01:43:09, [dhcpc]Recv OFFER from server 77.121.21.2 with ip 77.122.97.235

39 INFO 0days, 01:43:09, [dhcpc]Send REQUEST to server 77.121.21.2 with request ip 77.122.97.235

40 INFO 0days, 01:43:10, [dhcpc]eth0 set ip 77.122.97.235 mask 255.255.248.0 gateway 77.122.96.1

41 INFO 0days, 01:43:10, [wan]advanced ddns -wanChanged

42 INFO 0days, 01:43:10, [wan]systool sntpc -sntpRequest

43 INFO 0days, 01:43:10, [dnsproxy]Register Dns Detect

44 INFO 0days, 01:43:10, [dnsproxy]Register primary = 0x2c15794d, secondary = 0xac09052

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1 Accepted Solution
Re:Archer C24 internet crashes every 105 minutes-Solution
2022-08-08 09:43:10 - last edited 2022-08-08 11:23:36

  @Kevin_Z 
Thanks for your help! It looks like the problem appearing with the new router is a coincidence.

The problem was on the ISP side: each time I got my IP lease ended by the ISP, the connection was cut for 3 seconds. Contacting the ISP support has solved the issue. 
The router works fine and I'm glad the issue got resolved.

Thanks again, I hope my case will help someone who stumbles upon similar problems!
 

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Re:Archer C24 internet crashes every 105 minutes
2022-08-04 15:35:09

  @YulianZ 

 

Try 1440 for the lease time. It is 24 hours and see if that changes the problem?

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Re:Archer C24 internet crashes every 105 minutes
2022-08-04 16:00:17

  @IrvSp 
I've tried changing lease time to 1 day, but that didn't help - still geting crashes every 105 minutes

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Re:Archer C24 internet crashes every 105 minutes
2022-08-05 02:33:52

@YulianZ 

 

When the internet crashes, is the internet LED on the C24 orange or still green? 

 

Who is your ISP? If the old router connects to the ISP modem stably, you can try to clone its MAC address to the C24 to determine if that helps. This is the guide to do the MAC clone on the C24.

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Re:Archer C24 internet crashes every 105 minutes
2022-08-05 10:36:00 - last edited 2022-08-05 10:36:44

  @Kevin_Z 
The light is green all the way, the PC won't show any "No internet" either, it's just every application or game disconnects when the "crash" happens.

My ISP is "Volia" (Ukraine, volia dot com).
I tried cloning MACs of the old router, current router, PC MAC, but the problem persists.
Every 105 minutes (strictly) this log occurs in "System log"
 

1 INFO 0days, 20:58:01, [dhcpc]broadcast REQUEST with request ip 93.76.199.16

2 INFO 0days, 20:58:01, [wan]advanced ddns -wanChanged

3 INFO 0days, 20:58:01, [dhcpc]Recv NAK from server 77.121.21.2 with ip 169.254.111.97

4 INFO 0days, 20:58:01, [dnsproxy]Register Dns Detect

5 ERROR 0days, 20:58:01, [dnsproxy]register dns server detect error

6 INFO 0days, 20:58:01, [dnsproxy]Register primary = 0x0, secondary = 0x0

7 INFO 0days, 20:58:02, [dhcpc]Send DISCOVER with unicast flag 0

8 INFO 0days, 20:58:02, [dhcpc]Recv OFFER from server 77.121.21.2 with ip 93.76.199.16

9 INFO 0days, 20:58:02, [dhcpc]Send REQUEST to server 77.121.21.2 with request ip 93.76.199.16

10 INFO 0days, 20:58:02, [dhcpc]eth0 set ip 93.76.199.16 mask 255.255.240.0 gateway 93.76.192.1

11 INFO 0days, 20:58:02, [wan]advanced ddns -wanChanged

12 INFO 0days, 20:58:02, [dnsproxy]Register Dns Detect

13 INFO 0days, 20:58:02, [dnsproxy]Register primary = 0x8080808, secondary = 0x1010101

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#5
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Re:Archer C24 internet crashes every 105 minutes
2022-08-08 01:45:12

@YulianZ 

 

Thank you very much for getting back with the detailed info.

 

To assist and figure it out efficiently, I've forwarded your case to the TP-Link support engineers who will contact you with your registered email address later. Please pay attention to your email box for follow-up.

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#6
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Re:Archer C24 internet crashes every 105 minutes-Solution
2022-08-08 09:43:10 - last edited 2022-08-08 11:23:36

  @Kevin_Z 
Thanks for your help! It looks like the problem appearing with the new router is a coincidence.

The problem was on the ISP side: each time I got my IP lease ended by the ISP, the connection was cut for 3 seconds. Contacting the ISP support has solved the issue. 
The router works fine and I'm glad the issue got resolved.

Thanks again, I hope my case will help someone who stumbles upon similar problems!
 

Recommended Solution
  6  
  6  
#7
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