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Router randomly disconnects from WAN

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Router randomly disconnects from WAN

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Router randomly disconnects from WAN
Router randomly disconnects from WAN
2019-07-12 10:28:00 - last edited 2021-07-19 11:00:11
Model: Archer C7  
Hardware Version: V5
Firmware Version: 1.0.4 Build 20180425 rel.72768(4555)

Hello,

 

Brand new C7 router randomly disconnects from internet and then, after 20-30 seconds, automatically reconnects. It can happen any hour, 5-6 time a day. Tried rebooting, powering off-on and factory reset, nothing helps. In the system logs it looks like this:

 

Hardware Version: Archer C7 v5.0
Software Version: 1.0.4 Build 20180425 rel.72768

2019-07-12 02:06:43 nat[8579]: <6> 211021 IPSEC ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 L2TP ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 PPTP ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 SIP ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 RTSP ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 H323 ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 TFTP ALG enabled
2019-07-12 02:06:43 nat[8579]: <6> 211021 FTP ALG enabled
2019-07-12 02:06:40 nat[8579]: <6> 211501 Initialization succeeded
2019-07-12 02:06:39 nat[8579]: <6> 211501 Initialization succeeded
2019-07-12 02:06:06 nat[7930]: <6> 211501 Initialization succeeded
2019-07-12 02:06:06 nat[7930]: <6> 211501 Initialization succeeded
 

My old Linksys router works perfectly. Any ideas?

 

TIA

 

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#1
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1 Accepted Solution
Re:Router randomly disconnects from WAN-Solution
2021-07-19 11:00:05 - last edited 2021-07-19 11:00:11

@ForeverNoob 

 

Hello, if you are experiencing the disconnect from internet issue when connecting to the TP-Link router, please check the suggestions we updated below, and report back with some basic information if the issue persists, we will take further steps to help:

[Troubleshooting] Router Disconnects from Internet

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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Re:Router randomly disconnects from WAN
2020-12-23 23:38:03

Hi @ForeverNoob 

Did you ever resolve this issue?  I've just started experiencing exactly the same problem on an Archer C60.  It has worked fine for over a year, but now these random intermittent WAN disconnects.

Thanks

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Re:Router randomly disconnects from WAN
2020-12-24 03:08:07

@Rodeo_Star 

 

Hi, thanks for asking. If the router disconnect the WAN recently, it is suggested to check and ensure the internet line is stable in your house first, just in case there is any issue with the ISP network. You may connect your computer to the ISP modem directly, ensure you have a stable internet access. BTW, who is your ISP? Is it dynamic IP on the C60 WAN?

 

Secondly, ensure the cable between the ISP modem and the C60 is good, you may try with a new CAT5E or CAT6 cable, just in case the cable is some kind of broken.

 

If the above two are confirmed, but the C60 still disconnects from the WAN, please send us the whole system log, including that when the internet is working fine as well as it is not.

 

 

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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Re:Router randomly disconnects from WAN
2020-12-24 12:38:58

@Rodeo_Star 

 

Hello,

 

Well, yes and no. After a lot of experimentation that led nowhere I installed OpenWRT (OpenWrt 18.06.4 r7808-ef686b7292 / LuCI openwrt-18.06 branch (git-19.170.32094-4d6d8bc)). This virtually solved the problem.

 

HTH

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#4
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Re:Router randomly disconnects from WAN-Solution
2021-07-19 11:00:05 - last edited 2021-07-19 11:00:11

@ForeverNoob 

 

Hello, if you are experiencing the disconnect from internet issue when connecting to the TP-Link router, please check the suggestions we updated below, and report back with some basic information if the issue persists, we will take further steps to help:

[Troubleshooting] Router Disconnects from Internet

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
Recommended Solution
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#5
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