Wireless clients occasionally drop connection

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vrapp

Senior Member
Wireless clients every now and then lose connection, then restore it in couple of seconds. I don't have hard data, but it seems like it started happening in the recent 2-3 weeks. Here are two dropped connections of the same client within 20 minutes. When it's connected, everything works perfectly, strong signal, no dropped packets, but then it again drops and reconnects. It's AC-68R, firmware 386.2.2.

May 30 06:43:29 syslog: wlceventd_proc_event(491): eth1: Deauth_ind A4:4E:31:1A:23:AC, status: 0, reason: Unspecified reason (1), rssi:0
May 30 06:43:37 syslog: wlceventd_proc_event(527): eth1: Auth A4:4E:31:1A:23:AC, status: Successful (0), rssi:0
May 30 06:43:37 syslog: wlceventd_proc_event(556): eth1: Assoc A4:4E:31:1A:23:AC, status: Successful (0), rssi:0
May 30 06:43:37 dnsmasq-dhcp[2332]: DHCPREQUEST(br0) 192.168.1.50 a4:4e:31:1a:23:ac
May 30 06:43:37 dnsmasq-dhcp[2332]: DHCPACK(br0) 192.168.1.50 a4:4e:31:1a:23:ac DimaLaptop
May 30 06:43:38 dnsmasq-dhcp[2332]: DHCPSOLICIT(br0) 00:01:00:01:20:f6:e3:17:28:d2:44:1e:c8:2d
May 30 07:05:44 syslog: wlceventd_proc_event(491): eth1: Deauth_ind A4:4E:31:1A:23:AC, status: 0, reason: Unspecified reason (1), rssi:0
May 30 07:05:53 syslog: wlceventd_proc_event(527): eth1: Auth A4:4E:31:1A:23:AC, status: Successful (0), rssi:0
May 30 07:05:53 syslog: wlceventd_proc_event(556): eth1: Assoc A4:4E:31:1A:23:AC, status: Successful (0), rssi:0
May 30 07:05:53 dnsmasq-dhcp[2332]: DHCPREQUEST(br0) 192.168.1.50 a4:4e:31:1a:23:ac
May 30 07:05:53 dnsmasq-dhcp[2332]: DHCPACK(br0) 192.168.1.50 a4:4e:31:1a:23:ac DimaLaptop
May 30 07:05:53 dnsmasq-dhcp[2332]: DHCPSOLICIT(br0) 00:01:00:01:20:f6:e3:17:28:d2:44:1e:c8:2d
 

Wallace_n_Gromit

Senior Member
I have been following complaints recently of (esp.) 2.4Ghz wifi dropping connections and having to restart either the 2.4 Ghz guest wifi or the 2.4Ghz wifi in general.

Some believe that there is an issue with the 2.4Ghz wifi on both Stock and Merlin firmware. Just as to why this is happening just recently is a mystery.

You are the first to offer up logs of your events dropping the wifi.

Let me be the second:
System Messages
May 29 09:39:50 RT-AC86U-XXXX acsd: acs_set_chspec: 0x1003 (3) for reason APCS_CSTIMER
May 29 09:47:00 RT-AC86U-XXXX rc_service: httpd 1838:notify_rc restart_wireless;restart_firewall;
May 29 09:47:00 RT-AC86U-XXXX custom_script: Running /jffs/scripts/service-event (args: restart wireless)
May 29 09:47:00 RT-AC86U-XXXX networkmap: Error unlocking 8: 9 Bad file descriptor
May 29 09:47:00 RT-AC86U-XXXX networkmap: Error unlocking 0: 9 Bad file descriptor
May 29 09:47:00 RT-AC86U-XXXX YazFi: Wireless restarted - sleeping 30s before running YazFi
May 29 09:47:01 RT-AC86U-XXXX avahi-daemon[5465]: Interface wl0.2.IPv4 no longer relevant for mDNS.
May 29 09:47:01 RT-AC86U-XXXX avahi-daemon[5465]: Leaving mDNS multicast group on interface wl0.2.IPv4 with address 192.168.3.1.
May 29 09:47:01 RT-AC86U-XXXX avahi-daemon[5465]: Withdrawing address record for 192.168.3.1 on wl0.2.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Interface wl0.3.IPv4 no longer relevant for mDNS.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Leaving mDNS multicast group on interface wl0.3.IPv4 with address 192.168.4.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Withdrawing address record for 192.168.4.1 on wl0.3.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Interface wl1.1.IPv4 no longer relevant for mDNS.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Leaving mDNS multicast group on interface wl1.1.IPv4 with address 192.168.5.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Withdrawing address record for 192.168.5.1 on wl1.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Interface wl1.2.IPv4 no longer relevant for mDNS.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Leaving mDNS multicast group on interface wl1.2.IPv4 with address 192.168.6.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Withdrawing address record for 192.168.6.1 on wl1.2.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Joining mDNS multicast group on interface wl0.2.IPv4 with address 192.168.3.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: New relevant interface wl0.2.IPv4 for mDNS.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Registering new address record for 192.168.3.1 on wl0.2.IPv4.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Joining mDNS multicast group on interface wl0.3.IPv4 with address 192.168.4.1.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: New relevant interface wl0.3.IPv4 for mDNS.
May 29 09:47:02 RT-AC86U-XXXX avahi-daemon[5465]: Registering new address record for 192.168.4.1 on wl0.3.IPv4.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: Joining mDNS multicast group on interface wl1.1.IPv4 with address 192.168.5.1.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: New relevant interface wl1.1.IPv4 for mDNS.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: Registering new address record for 192.168.5.1 on wl1.1.IPv4.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: Joining mDNS multicast group on interface wl1.2.IPv4 with address 192.168.6.1.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: New relevant interface wl1.2.IPv4 for mDNS.
May 29 09:47:03 RT-AC86U-XXXX avahi-daemon[5465]: Registering new address record for 192.168.6.1 on wl1.2.IPv4.
May 29 09:47:04 RT-AC86U-XXXX wlceventd: wlceventd Start...
May 29 09:47:05 RT-AC86U-XXXX acsd: selected channel spec: 0x1001 (1)
May 29 09:47:05 RT-AC86U-XXXX acsd: Adjusted channel spec: 0x1001 (1)
May 29 09:47:05 RT-AC86U-XXXX acsd: selected channel spec: 0x1001 (1)
May 29 09:47:05 RT-AC86U-XXXX acsd: acs_set_chspec: 0x1001 (1) for reason APCS_INIT
May 29 09:47:06 RT-AC86U-XXXX acsd: selected channel spec: 0xe29b (157/80)
May 29 09:47:06 RT-AC86U-XXXX acsd: Adjusted channel spec: 0xe29b (157/80)
May 29 09:47:06 RT-AC86U-XXXX acsd: selected channel spec: 0xe29b (157/80)
May 29 09:47:06 RT-AC86U-XXXX acsd: acs_set_chspec: 0xe29b (157/80) for reason APCS_INIT
May 29 09:47:07 RT-AC86U-XXXX custom_script: Running /jffs/scripts/service-event-end (args: restart wireless)
May 29 09:47:07 RT-AC86U-XXXX custom_script: Running /jffs/scripts/service-event (args: restart firewall)
May 29 09:47:08 RT-AC86U-XXXX custom_script: Running /jffs/scripts/firewall-start (args: eth0)
May 29 09:47:08 RT-AC86U-XXXX custom_script: Running /jffs/scripts/service-event-end (args: restart firewall)
May 29 09:47:08 RT-AC86U-XXXX FlexQoS: /jffs/addons/flexqos/flexqos.sh (pid=9380) called in unattended mode with 1 args: -start
May 29 09:47:08 RT-AC86U-XXXX FlexQoS: Applying iptables static rules
May 29 09:47:08 RT-AC86U-XXXX FlexQoS: Applying iptables custom rules
May 29 09:47:08 RT-AC86U-XXXX FlexQoS: Flushing conntrack table
May 29 09:47:09 RT-AC86U-XXXX FlexQoS: No TC modifications necessary
May 29 09:47:17 RT-AC86U-XXXX roamast: ROAMING Start...
May 29 09:47:30 RT-AC86U-XXXX YazFi: YazFi v4.2.0 starting up
May 29 09:47:33 RT-AC86U-XXXX YazFi: wl0.2 (SSID: Xxxxxxx_Guest2) - sending all interface internet traffic over WAN interface
May 29 09:47:35 RT-AC86U-XXXX YazFi: wl0.3 (SSID: Xxxxxxx_Guest1) - sending all interface internet traffic over WAN interface
May 29 09:47:37 RT-AC86U-XXXX YazFi: wl1.1 (SSID: Xxxxxxx_5G_Guest1) - sending all interface internet traffic over WAN interface
May 29 09:47:40 RT-AC86U-XXXX YazFi: wl1.2 (SSID: Xxxxxxx_5G_Guest2) - sending all interface internet traffic over WAN interface
May 29 09:47:42 RT-AC86U-XXXX YazFi: Forcing YazFi Guest WiFi clients to reauthenticate
May 29 09:47:53 RT-AC86U-XXXX networkmap: Error unlocking 8: 9 Bad file descriptor
May 29 09:47:53 RT-AC86U-XXXX networkmap: Error unlocking 0: 9 Bad file descriptor
May 29 09:47:58 RT-AC86U-XXXX YazFi: YazFi v4.2.0 completed successfully
May 29 09:48:15 RT-AC86U-XXXX YazFi: Firewall restarted - sleeping 30s before running YazFi
May 29 09:48:45 RT-AC86U-XXXX YazFi: YazFi v4.2.0 starting up
May 29 09:48:48 RT-AC86U-XXXX YazFi: wl0.2 (SSID: Xxxxxxx_Guest2) - sending all interface internet traffic over WAN interface
May 29 09:48:50 RT-AC86U-XXXX YazFi: wl0.3 (SSID: Xxxxxxx_Guest1) - sending all interface internet traffic over WAN interface
May 29 09:48:52 RT-AC86U-XXXX YazFi: wl1.1 (SSID: Xxxxxxx_5G_Guest1) - sending all interface internet traffic over WAN interface
May 29 09:48:54 RT-AC86U-XXXX YazFi: wl1.2 (SSID: Xxxxxxx_5G_Guest2) - sending all interface internet traffic over WAN interface
May 29 09:48:56 RT-AC86U-XXXX YazFi: Forcing YazFi Guest WiFi clients to reauthenticate
May 29 09:49:07 RT-AC86U-XXXX networkmap: Error unlocking 8: 9 Bad file descriptor
May 29 09:49:07 RT-AC86U-XXXX networkmap: Error unlocking 0: 9 Bad file descriptor
May 29 09:49:12 RT-AC86U-XXXX YazFi: YazFi v4.2.0 completed successfully
wlceventd.log
May 29 09:47:06 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(556): wl0.3: Assoc 10:52:1C:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:07 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc 54:E0:19:XX:XX:XX, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:09 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(527): wl0.3: Auth D4:9C:XX:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:09 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(556): wl0.3: Assoc D4:9C:XX:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:11 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(527): wl0.3: Auth 54:E0:19:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:11 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(556): wl0.3: Assoc 54:E0:19:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:13 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(491): wl0.3: Deauth_ind A0:XX:XC:F6:17:3B, status: 0, reason: Deauthenticated because sending station is leaving (or has left) IBSS or ESS (3), rssi:0
May 29 09:47:13 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc A0:XX:XC:F6:17:3B, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:21 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(527): wl0.3: Auth D4:91:0F:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:21 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(556): wl0.3: Assoc D4:91:0F:XX:XX:XX, status: Successful (0), rssi:0
May 29 09:47:42 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc D4:91:0F:XX:XX:XX, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:42 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc 54:E0:19:XX:XX:XX, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:42 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc D4:9C:XX:XX:XX:XX, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:42 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(508): wl0.3: Disassoc 10:52:1C:XX:XX:XX, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8), rssi:0
May 29 09:47:42 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(491): wl0.3: Deauth_ind 00:00:00:00:00:00, status: 0, reason: Deauthenticated because sending station is leaving (or has left) IBSS or ESS (3), rssi:0
May 29 09:47:53 RT-AC86U-XXXX wlceventd: wlceventd_proc_event(527): wl0.3: Auth D4:9C:XX:XX:XX:XX, status: Successful (0), rssi:0
 
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