AX1800 drops internet connection repeatedly after latest firmware update
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I noticed there was an available firmware update on my AX1800 today and upgraded to it successfully. Now since then every 10-12 hours the router drops the internet connection (just internet, devices on wifi still connected and power still good for router) and needs to be reset in order to work again. Here are recent system logs:
2022-01-10 20:17:57 NAT DEBUG [21367] Flush conntrack
2022-01-10 20:17:57 NAT INFO [21367] Function enabled
2022-01-10 20:17:57 NAT NOTICE [21367] Create NAT chain succeeded
2022-01-10 20:17:56 NAT INFO [21367] Initialization succeeded
2022-01-10 20:17:56 NAT INFO [21367] Initialization succeeded
2022-01-10 20:17:55 Parental Controls INFO [21277] Service start
2022-01-10 20:17:55 Parental Controls INFO [21277] Function enabled
2022-01-10 20:17:55 Parental Controls INFO [21277] Service stop
2022-01-10 20:17:55 Parental Controls INFO [21277] Function disabled
2022-01-10 20:17:55 Basic Security INFO [21025] Service start
2022-01-10 20:17:55 Basic Security NOTICE [21025] Flush conntrack table succeeded
2022-01-10 20:17:54 Access Control INFO [20992] Service start
2022-01-10 20:17:54 Access Control INFO [20992] Function disabled
2022-01-10 20:17:54 Firewall INFO [20420] Service start
2022-01-10 20:17:51 Firewall INFO [20420] Service stop
2022-01-10 20:17:48 NAT INFO [19867] Initialization succeeded
2022-01-10 20:17:47 NAT INFO [19867] Initialization succeeded
2022-01-10 20:17:39 QoS INFO [18865] Service start
2022-01-10 20:17:38 Led Controller INFO [1091] Start to run WAN1_ON
2022-01-10 20:17:38 Led Controller INFO [1091] Start to run WAN0_OFF
2022-01-10 20:17:38 Led Controller INFO [1091] Start to run LAN_OFF
2022-01-10 20:17:36 QoS INFO [18865] Function enabled
2022-01-10 20:17:36 QoS INFO [18865] Service stop
2022-01-10 20:17:27 NAT DEBUG [17979] Flush conntrack
2022-01-10 20:17:27 NAT INFO [17979] Function enabled
2022-01-10 20:17:26 NAT NOTICE [17979] Create NAT chain succeeded
2022-01-10 20:17:26 NAT INFO [17979] Initialization succeeded
2022-01-10 20:17:26 NAT INFO [17979] Initialization succeeded
2022-01-10 20:17:25 Parental Controls INFO [17856] Service start
2022-01-10 20:17:25 Parental Controls INFO [17856] Function enabled
2022-01-10 20:17:25 Parental Controls INFO [17856] Service stop
2022-01-10 20:17:25 Parental Controls INFO [17856] Function disabled
2022-01-10 20:17:25 Basic Security INFO [17641] Service start
2022-01-10 20:17:25 Basic Security NOTICE [17641] Flush conntrack table succeeded
2022-01-10 20:17:24 Access Control INFO [17608] Service start
2022-01-10 20:17:24 Access Control INFO [17608] Function disabled
2022-01-10 20:17:23 Firewall INFO [16999] Service start
2022-01-10 20:17:21 Firewall INFO [16999] Service stop
2022-01-10 20:17:20 UPnP INFO [16889] Service start
2022-01-10 20:17:19 UPnP INFO [16889] Service stop
2022-01-10 20:17:18 Remote Management INFO [16572] Service stop
2022-01-10 20:17:09 NAT INFO [15405] IPSEC ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] L2TP ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] PPTP ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] SIP ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] RTSP ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] H323 ALG enabled
2022-01-10 20:17:09 NAT INFO [15405] TFTP ALG enabled
2022-01-10 20:17:08 NAT INFO [15405] FTP ALG enabled
2022-01-10 20:17:06 NAT INFO [15405] Initialization succeeded
2022-01-10 20:17:06 NAT INFO [15405] Initialization succeeded
2022-01-10 20:17:04 IP & MAC Binding INFO [15295] Daemon connection succeeded
2022-01-10 20:17:04 IP & MAC Binding NOTICE [15295] IP 192.168.0.173 and MAC 1C-87-2C-B8-EF-A3 bound succeeded
2022-01-10 20:17:04 IP & MAC Binding INFO [15295] Config interface initialization succeeded
2022-01-10 20:17:04 IP & MAC Binding INFO [15295] ARP Binding enabled
2022-01-10 20:17:04 IP & MAC Binding INFO [15295] Config interface initialization succeeded
2022-01-10 20:17:04 IP & MAC Binding INFO [15295] Initialization succeeded
2022-01-10 20:16:58 QoS INFO [13817] Service start
2022-01-10 20:16:54 Led Controller INFO [1091] Start to run WAN1_ON
2022-01-10 20:16:54 Led Controller INFO [1091] Start to run WAN0_OFF
2022-01-10 20:16:54 Led Controller INFO [1091] Start to run LAN_OFF
2022-01-10 20:16:52 QoS INFO [13817] Function enabled
2022-01-10 20:16:52 QoS INFO [13817] Service stop
2022-01-10 20:16:46 Traffic Statistics INFO [9055] Clear all stats because time changed
The internet drops correspond to the LAN_OFF events. I've tried to downgrade to the previous firmware version but I just get an 'Upload error' message (with no error code or additional info). I've turned off QoS just in case that is affecting it, but I have to wait another 10-12 hours for the next drop (and this is a feature I would like to have enabled and one of the primary reasons for choosing this router...)
Is there anything that can be done? What is the point of the firmware upgrade if it introduces these regressions for arguably the primary function of this device (i.e. a stable connection)?
