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TP-Link Archer C7 AC1750 random reboots

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TP-Link Archer C7 AC1750 random reboots

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TP-Link Archer C7 AC1750 random reboots
TP-Link Archer C7 AC1750 random reboots
2020-12-07 08:34:41 - last edited 2020-12-07 08:42:25
Model: Archer C7  
Hardware Version: V5
Firmware Version: 1.0.16 Build 20201030 rel.55736(4555)

Hi,

 

My TP-Link Archer C7 AC1750 router randomly reboots. It reboots almost thrice in a day and every day without fail. This has started happening recently after the latest firmware upgrade. I am using both 2.4G and 5G wireless connection. There are around 5 devices connected including a raspberry pi4 via LAN. I have 4 ports open in the router and UPnP is also enabled.  QOS and Traffic Statistics is disabled. The internet connectivity is through PPPOE. I have a fiber broadband connection and the Archer C7 AC1750 is connected through a Cat 5 cable which is connected to an ONU device. Please find below the router log immediately after reboot. FYI I have not performed a factory reset.

 

####################################################################
#                    Archer C7 System Log
# Time = 2020-12-07 13:58:35
# H-Ver = 5.0.0 ; S-Ver = 1.0.16 Build 20201030 rel.55736
# LAN: I = 192.168.31.1 ; M = 255.255.255.0 ; MAC = xxx
# WAN: W = pppoe ; I = xxx ; M = 255.255.255.255 ; MAC = xxx
#      G = xxx ; D1 = xxxx ; D2 = xxx
# Clients connected: 5 ; WI-FI : 4 
####################################################################
2020-12-07 12:54:27 dhcps[17407]: <6> 212054 send ack ip 192.168.31.159 and dns 192.168.31.1 to xxx
2020-12-07 12:54:27 dhcps[17407]: <6> 212053 receive request ip 192.168.31.159 from xxx
2020-12-07 12:54:27 dhcps[17407]: <6> 212052 send offer ip 192.168.31.159 and dns 0.0.0.0 to xxx
2020-12-07 12:54:27 dhcps[17407]: <6> 212051 receive discover from xxx
2020-12-07 12:54:27 dhcps[17407]: <6> 212052 send offer ip 192.168.31.159 and dns 0.0.0.0 to xxx
2020-12-07 12:54:25 dhcps[17407]: <6> 212051 receive discover from xxx
2020-12-07 12:54:17 dhcps[17407]: <6> 212054 send ack ip 192.168.31.174 and dns 192.168.31.1 to xxx
2020-12-07 12:54:17 dhcps[17407]: <6> 212053 receive request ip 192.168.31.174 from xxx
2020-12-07 12:54:17 dhcps[17407]: <6> 212052 send offer ip 192.168.31.174 and dns 192.168.31.1 to xxx
2020-12-07 12:54:15 dhcps[17407]: <6> 212051 receive discover from xxx
2020-12-07 12:50:35 dhcps[17407]: <6> 212054 send ack ip 192.168.31.112 and dns 192.168.31.1 to xxx
2020-12-07 12:50:35 dhcps[17407]: <6> 212053 receive request ip 192.168.31.112 from xxx
2020-12-07 12:25:13 dhcps[17407]: <6> 212054 send ack ip 192.168.31.140 and dns 192.168.31.1 to xxx
2020-12-07 12:25:13 dhcps[17407]: <6> 212053 receive request ip 192.168.31.140 from xxx
2020-12-07 12:25:13 dhcps[17407]: <6> 212052 send offer ip 192.168.31.140 and dns 192.168.31.1 to xxx
2020-12-07 12:25:13 dhcps[17407]: <6> 212051 receive discover from xxx
2020-12-07 12:25:13 dhcps[17407]: <6> 212052 send offer ip 192.168.31.140 and dns 192.168.31.1 to xxx
2020-12-07 12:25:10 dhcps[17407]: <6> 212051 receive discover from xxx
2020-12-07 11:47:07 dhcps[17407]: <6> 212054 send ack ip 192.168.31.204 and dns 192.168.31.1 to xxx
2020-12-07 11:47:07 dhcps[17407]: <6> 212053 receive request ip 192.168.31.204 from xxx
2020-12-07 11:46:21 dhcps[17249]: <6> 212504 Service start
2020-12-07 11:21:43 nat[6951]: <6> 211024 DMZ disabled
2020-12-07 11:21:42 nat[6951]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:udp]
2020-12-07 11:21:42 nat[6951]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:tcp]
2020-12-07 11:21:41 nat[6951]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:all]
2020-12-07 11:21:39 nat[6951]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:tcp]
2020-12-07 11:21:38 nat[6951]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:all]
2020-12-07 11:21:35 upnp[7638]: <6> 217504 Service start
2020-12-07 11:21:35 upnp[7638]: <6> 217505 Service stop
2020-12-07 11:21:28 nat[6951]: <6> 211501 Initialization succeeded
2020-12-07 11:21:26 nat[6951]: <6> 211501 Initialization succeeded
2020-12-07 11:21:15 qos[6743]: <6> 259504 Service start
2020-12-07 11:21:15 qos[6743]: <6> 259503 Function disabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 IPSEC ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 L2TP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 PPTP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 SIP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 RTSP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 H323 ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 TFTP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211021 FTP ALG enabled
2020-12-07 11:21:09 nat[5128]: <6> 211024 DMZ disabled
2020-12-07 11:21:09 nat[5128]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:udp]
2020-12-07 11:21:08 nat[5128]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:tcp]
2020-12-07 11:21:08 nat[5128]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:all]
2020-12-07 11:21:08 nat[5128]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xxx protocol:tcp]
2020-12-07 11:21:08 nat[5128]: <5> 211054 Virtual server created succeeded[ex-port:xxx ip:192.168.31.150 in-port:xx protocol:all]
2020-12-07 11:21:02 nat[5128]: <6> 211501 Initialization succeeded
2020-12-07 11:20:56 nat[5128]: <6> 211501 Initialization succeeded
2020-12-07 11:20:55 dhcps[3964]: <6> 212054 send ack ip 192.168.31.149 and dns 192.168.31.150 to xxx
2020-12-07 11:20:55 dhcps[3964]: <6> 212053 receive request ip 192.168.31.149 from xxx
2020-12-07 11:20:55 factory-reset[5441]: <6> 284504 Service start

2020-10-30 00:01:04 ppp[5169]: <6> 261091 ppp receive IPCP ACK
2020-10-30 00:01:04 ppp[5169]: <6> 261090 ppp send IPCP Req options(addr=xxx;dns1=xxx;dns2=xxx;)
2020-10-30 00:01:04 ppp[5169]: <6> 261093 ppp receive IPCP NAK options(addr=xxx;dns1=xxx;dns1=xxx;)
2020-10-30 00:01:04 ppp[5169]: <6> 261061 ppp send LCP Request options(mru=1480;magic=0x19bc8e99;)
2020-10-30 00:01:04 ppp[5169]: <6> 261025 pppoe receive PADS sess-id(12905)
2020-10-30 00:01:04 ppp[5169]: <6> 261024 pppoe send PADR Host-Uniq(1431)
2020-10-30 00:01:04 ppp[5169]: <6> 261022 pppoe receive PADO form AC-MAC(xxx)
2020-10-30 00:01:04 ppp[5169]: <6> 261023 pppoe receive PADO AC-Name(speednet)
2020-10-30 00:01:04 ppp[5169]: <6> 261021 pppoe send PADI Host-Uniq(1431)

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#1
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4 Reply
Re:TP-Link Archer C7 AC1750 random reboots
2020-12-07 18:16:13 - last edited 2020-12-07 18:55:24

Nothing unusual in that log. If that issue has presented itself (as you mentioned) after a FW upgrade, try to hard reset (Method 1) the router and then configure from scratch. Take notes about your router configuration prior resetting it (for ex. in Notepad).

If this was helpful click once on the arrow pointing upward. If this solves your issue, click once the star to mark it as a "Recommended Solution".
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#2
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Re:TP-Link Archer C7 AC1750 random reboots
2020-12-08 04:09:38

@Ivaylo Do you think the new fiber broadband connection could be an issue? Also, is it ok to backup the config and restore it after hard reset?

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#3
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Re:TP-Link Archer C7 AC1750 random reboots
2020-12-08 04:21:48 - last edited 2020-12-08 04:22:02

If you have recently upgraded the speed of your broadband connection it could be. It's preferable to do that from scratch. Make some notes in Notepad beforehand (or screenshots if it is more comfortable for you).

If this was helpful click once on the arrow pointing upward. If this solves your issue, click once the star to mark it as a "Recommended Solution".
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#4
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Re:TP-Link Archer C7 AC1750 random reboots
2020-12-08 11:18:41

@Ivaylo I will do as you asked and will provide a feedback here.

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#5
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Replies: 4

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