Look at the system log, it will tell you what's wrong.
This is what's under General log.
Aug 21 14:31:01 ntpd: Initial clock set
Aug 21 14:31:02 rc_service: ntpd_synced 2911:notify_rc restart_diskmon
Aug 21 14:31:02 disk_monitor: Finish
Aug 21 14:31:02 start_ddns: update
WWW.ASUS.COM update@asus.com, wan_unit 0
Aug 21 14:31:02 disk_monitor: be idle
Aug 21 14:31:02 inadyn[2923]: In-a-dyn version 2.7 -- Dynamic DNS update client.
Aug 21 14:31:02 inadyn[2923]: Update forced for alias A9E21A07518B992A65526C16658CCF2F1.asuscomm.com, new IP# 100.80.64.89
Aug 21 14:31:03 inadyn[2923]: Updating cache for A9E21A07518B992A65526C16658CCF2F1.asuscomm.com
Aug 21 14:31:04 kernel: SHN Release Version: 2.0.1 890c91d
Aug 21 14:31:04 kernel: UDB Core Version: 0.2.18
Aug 21 14:31:04 kernel: sizeof forward pkt param = 280
Aug 21 14:31:04 BWDPI: fun bitmap = 47f
Aug 21 14:31:04 kernel: The For ALL DEVICES flag of Prof 1 has been set to ENABLE
Aug 21 14:31:04 kernel: The For ALL DEVICES flag of Prof 1 has been set to ENABLE
Aug 21 14:31:05 nat: apply nat rules (/tmp/nat_rules_eth0_eth0)
Aug 21 14:31:05 kernel: HTB: quantum of class 10001 is big. Consider r2q change.
Aug 21 14:31:05 kernel: HTB: quantum of class 10002 is big. Consider r2q change.
Aug 21 14:31:05 kernel: HTB: quantum of class 10060 is big. Consider r2q change.
Aug 21 14:31:05 kernel: HTB: quantum of class 20001 is big. Consider r2q change.
Aug 21 14:31:05 kernel: HTB: quantum of class 20002 is big. Consider r2q change.
Aug 21 14:31:05 kernel: HTB: quantum of class 20060 is big. Consider r2q change.
Aug 21 14:31:05 dhcp_client: bound 100.80.64.89/255.255.240.0 via 100.80.79.254 for 1376 seconds.
Aug 21 14:31:07 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -45dbm) for client [AC:5D:5C:BA:CC:97](rssi: -68dbm) to roam
Aug 21 14:31:07 roamast: eth5: disconnect weak signal strength station [ac:5d:5c:ba:cc:97]
Aug 21 14:31:07 roamast: eth5: remove client [ac:5d:5c:ba:cc:97] from monitor list
Aug 21 14:31:07 wlceventd: WLCEVENTD wlceventd_proc_event(466): eth5: Deauth_ind AC:5D:5C:BA:CC:97, status: 0, reason: Deauthenticated because sending station is leaving (or has left) IBSS or ESS (3)
Aug 21 14:31:07 wlceventd: WLCEVENTD wlceventd_proc_event(466): eth5: Deauth_ind AC:5D:5C:BA:CC:97, status: 0, reason: Class 3 frame received from nonassociated station (7)
Aug 21 14:31:32 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -47dbm) for client [38:E6:0A:AB:4B
F](rssi: -60dbm) to roam
Aug 21 14:31:32 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:31:57 crond[1276]: time disparity of 1208064 minutes detected
Aug 21 14:32:35 rc_service: rc 3921:notify_rc restart_wrs
Aug 21 14:32:35 BWDPI: fun bitmap = 47f
Aug 21 14:32:35 kernel: The For ALL DEVICES flag of Prof 1 has been set to ENABLE
Aug 21 14:33:02 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -62dbm) for client [28:FF:3C:1E:FD:2A](rssi: -73dbm) to roam
Aug 21 14:33:02 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:33:11 wlceventd: WLCEVENTD wlceventd_proc_event(466): eth5: Deauth_ind 00:9E:C8:31:3F:43, status: 0, reason: Deauthenticated because sending station is leaving (or has left) IBSS or ESS (3)
Aug 21 14:33:11 wlceventd: WLCEVENTD wlceventd_proc_event(481): eth5: Disassoc 00:9E:C8:31:3F:43, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8)
Aug 21 14:33:12 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -62dbm) for client [28:FF:3C:1E:FD:2A](rssi: -74dbm) to roam
Aug 21 14:33:12 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:33:17 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -62dbm) for client [28:FF:3C:1E:FD:2A](rssi: -74dbm) to roam
Aug 21 14:33:17 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:33:22 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -63dbm) for client [28:FF:3C:1E:FD:2A](rssi: -74dbm) to roam
Aug 21 14:33:22 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:34:02 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -48dbm) for client [38:E6:0A:AB:4B
F](rssi: -60dbm) to roam
Aug 21 14:34:02 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:34:07 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -48dbm) for client [38:E6:0A:AB:4B
F](rssi: -60dbm) to roam
Aug 21 14:34:07 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:34:27 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -47dbm) for client [38:E6:0A:AB:4B
F](rssi: -59dbm) to roam
Aug 21 14:34:27 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:34:37 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -47dbm) for client [38:E6:0A:AB:4B
F](rssi: -60dbm) to roam
Aug 21 14:34:37 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:34:42 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -48dbm) for client [38:E6:0A:AB:4B
F](rssi: -60dbm) to roam
Aug 21 14:34:42 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:34:52 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -47dbm) for client [38:E6:0A:AB:4B
F](rssi: -59dbm) to roam
Aug 21 14:34:52 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:35:02 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -48dbm) for client [38:E6:0A:AB:4B
F](rssi: -59dbm) to roam
Aug 21 14:35:02 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:35:12 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -49dbm) for client [38:E6:0A:AB:4B
F](rssi: -61dbm) to roam
Aug 21 14:35:12 roamast: Roam a client [38:E6:0A:AB:4B
F], status [0]
Aug 21 14:44:08 dnsmasq-dhcp[1268]: Ignoring domain ahlnet.local for DHCP host name RVILAP001
Aug 21 14:48:57 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -63dbm) for client [28:FF:3C:1E:FD:2A](rssi: -74dbm) to roam
Aug 21 14:48:57 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:49:07 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -63dbm) for client [28:FF:3C:1E:FD:2A](rssi: -75dbm) to roam
Aug 21 14:49:07 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:49:17 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -63dbm) for client [28:FF:3C:1E:FD:2A](rssi: -75dbm) to roam
Aug 21 14:49:17 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:49:18 wlceventd: WLCEVENTD wlceventd_proc_event(481): eth6: Disassoc 28:FF:3C:1E:FD:2A, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8)
Aug 21 14:49:18 wlceventd: WLCEVENTD wlceventd_proc_event(481): eth6: Disassoc 28:FF:3C:1E:FD:2A, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8)
Aug 21 14:49:27 roamast: determine candidate node [A8:5E:45:89:C9:80](rssi: -63dbm) for client [28:FF:3C:1E:FD:2A](rssi: -75dbm) to roam
Aug 21 14:49:27 roamast: Roam a client [28:FF:3C:1E:FD:2A], status [0]
Aug 21 14:57:08 wlceventd: WLCEVENTD wlceventd_proc_event(500): eth5: Auth 34:CE:00:EA:12:9A, status: Successful (0)
Aug 21 14:57:08 wlceventd: WLCEVENTD wlceventd_proc_event(529): eth5: Assoc 34:CE:00:EA:12:9A, status: Successful (0)
Aug 21 14:57:10 wlceventd: WLCEVENTD wlceventd_proc_event(466): eth5: Deauth_ind 34:CE:00:EA:12:9A, status: 0, reason: Deauthenticated because sending station is leaving (or has left) IBSS or ESS (3)
Aug 21 14:57:10 wlceventd: WLCEVENTD wlceventd_proc_event(481): eth5: Disassoc 34:CE:00:EA:12:9A, status: 0, reason: Disassociated because sending station is leaving (or has left) BSS (8)
Aug 21 14:57:12 wlceventd: WLCEVENTD wlceventd_proc_event(500): eth5: Auth 34:CE:00:EA:12:9A, status: Successful (0)
Aug 21 14:57:12 wlceventd: WLCEVENTD wlceventd_proc_event(529): eth5: Assoc 34:CE:00:EA:12:9A, status: Successful (0)