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Cannot connect to wifi after one day with AC68U

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Roy2001

Occasional Visitor
I just bought a Tmobile AC1900 flashed to latest Merlin 63_2. I have a USB HDD and flash drive connected to USB port. I found after a little more than one day, my phones/laptops would no longer connect to wifi. If they stay at home and were not turned off, then wifi connection would be fine. But if laptops slept, or I went out and came back to home, then phones/laptops won't connect, neither 2.4G nor 5G. So I have to either reboot it from a connected device or use the power button on router.

This morning it happened again. I copied and sent following "System Log" => "General Log" from ipad which was still connected but my phones and laptops were not:

Code:
Jul 31 17:00:42 kernel: nf_conntrack_rtsp v0.6.21 loading
Jul 31 17:00:42 kernel: nf_nat_rtsp v0.6.21 loading
Jul 31 17:00:42 rc_service: udhcpc 538:notify_rc start_upnp
Jul 31 17:00:42 rc_service: waitting "stop_upnp" via udhcpc ...
Jul 31 17:00:47 usb: USB ntfs fs at /dev/sdb1 mounted on /tmp/mnt/nas1.
Jul 31 17:00:47 miniupnpd[523]: shutting down MiniUPnPd
Jul 31 17:00:48 miniupnpd[792]: HTTP listening on port 48655
Jul 31 17:00:48 miniupnpd[792]: Listening for NAT-PMP/PCP traffic on port 5351
Jul 31 17:00:49 rc_service: hotplug 754:notify_rc restart_nasapps
Jul 31 17:00:49 iTunes: daemon is stopped
Jul 31 17:00:49 FTP Server: daemon is stopped
Jul 31 17:00:50 ntp: start NTP update
Jul 31 17:00:51 kernel: * Make sure sizeof(struct sw_struct)=160 is consistent
Jul 31 17:00:51 Samba Server: smb daemon is stopped
Jul 31 17:00:51 kernel: gro disabled
Jul 31 17:00:52 kernel: sizeof forward param = 160
Jul 31 17:00:52 Timemachine: daemon is stopped
Jul 31 17:00:52 miniupnpd[792]: shutting down MiniUPnPd
Jul 31 17:00:52 kernel: gro enabled with interval 2
Jul 31 17:00:53 Samba Server: daemon is started
Jul 31 17:00:54 ntp: start NTP update
Nov 17 21:30:49 miniupnpd[845]: HTTP listening on port 60334
Nov 17 21:30:49 miniupnpd[845]: Listening for NAT-PMP/PCP traffic on port 5351
Nov 17 21:30:49 rc_service: ntp 791:notify_rc restart_upnp
Nov 17 21:30:49 miniupnpd[845]: shutting down MiniUPnPd
Nov 17 21:30:50 miniupnpd[862]: HTTP listening on port 36051
Nov 17 21:30:50 rc_service: ntp 791:notify_rc restart_diskmon
Nov 17 21:30:50 disk_monitor: Finish
Nov 17 21:30:50 miniupnpd[862]: Listening for NAT-PMP/PCP traffic on port 5351
Nov 17 21:30:54 disk monitor: be idle
Nov 17 21:30:55 rc_service: udhcpc 538:notify_rc start_firewall
Nov 17 21:30:55 dhcp client: bound 73.48.196.209 via 73.48.196.1 during 181362 seconds.
Nov 17 21:30:55 crond[454]: time disparity of 684330 minutes detected
Nov 17 21:30:56 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Nov 17 22:00:54 disk_monitor: Got SIGALRM...
Nov 17 22:01:16 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 22:29:39 miniupnpd[862]: upnp_event_process_notify: connect(192.168.86.166:2869): Connection timed out
Nov 17 22:35:43 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 22:35:45 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 22:42:27 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 22:59:39 miniupnpd[862]: upnp_event_process_notify: connect(192.168.86.166:2869): Connection timed out
Nov 17 23:00:54 disk_monitor: Got SIGALRM...
Nov 17 23:05:55 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 23:05:57 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 17 23:40:48 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 18 02:38:40 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 18 03:54:21 miniupnpd[862]: remove port mapping 32199 TCP because it has expired
Nov 18 03:54:21 miniupnpd[862]: remove port mapping 32199 UDP because it has expired
Nov 18 07:31:03 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 18 07:52:42 miniupnpd[862]: upnp_event_recv: recv(): Connection reset by peer
Nov 18 09:19:28 rc_service: httpd 452:notify_rc restart_firewall
Nov 18 09:19:28 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Nov 18 10:32:37 miniupnpd[862]: remove port mapping 18431 TCP because it has expired
Nov 18 10:32:37 miniupnpd[862]: remove port mapping 18431 UDP because it has expired
Nov 18 13:43:20 rc_service: httpds 451:notify_rc restart_firewall
Nov 18 13:43:20 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Nov 18 15:01:57 rc_service: httpds 451:notify_rc restart_firewall
Nov 18 15:01:57 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Nov 18 16:13:24 miniupnpd[862]: remove port mapping 18431 TCP because it has expired
Nov 18 16:13:24 miniupnpd[862]: remove port mapping 18431 UDP because it has expired
Nov 18 17:10:42 rc_service: httpds 451:notify_rc restart_firewall
Nov 18 17:10:43 start_nat_rules: apply the nat_rules(/tmp/nat_rules_eth0_eth0)!
Nov 18 19:01:04 miniupnpd[862]: remove port mapping 32199 TCP because it has expired
Nov 18 19:01:04 miniupnpd[862]: remove port mapping 32199 UDP because it has expired

This is the 2nd time since I just started to use it since Tuesday. Any idea? Thanks in advance.

PS: The system log stopped 7pm yesterday, and this morning 10am my laptops cannot connect to wifi. I am not sure if log could tell any info. Sorry I am not an expert on networking. Appreciate your help.
 
Last edited:

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