1.I have tried both enable and disable dhcp ,result is same.
2.yes ,has reset iap92
Aos version is 4.1.1.2 which was thought has tons problem,just tried downgrade AOS.
*********************************************************************************************************
3/12/2015 15:07:04 PM Target: colin_i274 Command: show log system
*********************************************************************************************************
Jan 1 00:00:50 syslog: <341005> <ERRS> |AP colin_i274: | terminal access is enabled but dropbear is not running, starting
Jan 1 00:00:53 nanny[2445]: <303022> <WARN> |AP colin_i274: | Reboot Reason: No reboot message found.
Jan 1 00:01:05 cli[2521]: <341317> <WARN> |AP colin_i274@10.75.156.83 cli| Regulatory table file init at version 1.0_48019, build 9/1/2015.
Jan 1 00:01:05 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Extended ssid enabled
Jan 1 00:01:05 cli[2521]: <341207> <WARN> |AP colin_i274@10.75.156.83 cli| AP support up to 16 SSID.
Jan 1 00:01:06 cli[2521]: <341172> <WARN> |AP colin_i274@10.75.156.83 cli| Find enet0 name eth0.
Jan 1 00:01:06 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| cli starting, clearing any dpimgr
Jan 1 00:01:07 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| cli_choose_eth_uplink:eth current uplink set to DHCP
Jan 1 00:01:07 cli[2521]: <341169> <WARN> |AP colin_i274@10.75.156.83 cli| Add uplink Ethernet 0.
Jan 1 00:01:07 cli[2521]: <341167> <WARN> |AP colin_i274@10.75.156.83 cli| Uplink eth0 type Ethernet, state INIT->LOAD.
Jan 1 00:01:07 cli[2521]: <341169> <WARN> |AP colin_i274@10.75.156.83 cli| Add uplink Wifi-sta 6.
Jan 1 00:01:07 cli[2521]: <341169> <WARN> |AP colin_i274@10.75.156.83 cli| Add uplink 3G/4G 7.
Jan 1 00:01:07 cli[2521]: <341167> <WARN> |AP colin_i274@10.75.156.83 cli| Uplink type Dummy, state INIT->LOAD.
Jan 1 00:01:07 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| receive sapd hello for process recovery
Jan 1 00:01:08 cli[2521]: <341174> <WARN> |AP colin_i274@10.75.156.83 cli| No current uplink, pick the highest one - Ethernet eth0.
Jan 1 00:01:08 cli[2521]: <341263> <WARN> |AP colin_i274@10.75.156.83 cli| enable uplink eth0.
Jan 1 00:01:08 cli[2521]: <341167> <WARN> |AP colin_i274@10.75.156.83 cli| Uplink eth0 type Ethernet, state LOAD->PROBE.
Jan 1 00:01:08 cli[2521]: <341265> <WARN> |AP colin_i274@10.75.156.83 cli| enable ethernet uplink eth0.
Jan 1 00:01:08 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| the ethernet uplink inuse in first time, get ip address.
Jan 1 00:01:08 cli[2521]: <341167> <WARN> |AP colin_i274@10.75.156.83 cli| Uplink eth0 type Ethernet, state PROBE->UP.
Jan 1 00:01:08 cli[2521]: <341185> <WARN> |AP colin_i274@10.75.156.83 cli| Retrieving ip address from br0, ip 10.75.156.83, mask 255.255.255.0.
Jan 1 00:01:08 cli[2521]: <341274> <WARN> |AP colin_i274@10.75.156.83 cli| Update election ip from br0, election ip 10.75.156.83/255.255.255.0.
Jan 1 00:01:08 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| build_my_ip_address: old ip and new ip same; skipping
Jan 1 00:01:08 cli[2521]: <341006> <CRIT> |AP colin_i274@10.75.156.83 cli| Sending uplink_up msg to sapd
Jan 1 00:01:08 cli[2521]: <341006> <CRIT> |AP colin_i274@10.75.156.83 cli| trap uplink info.
Jan 1 00:01:08 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| last uplink is null, it's the first uplink, ignore this trap.
Jan 1 00:01:08 cli[2521]: <341173> <WARN> |AP colin_i274@10.75.156.83 cli| Current uplink set to Ethernet, state UP.
Jan 1 00:01:08 cli[2521]: <341135> <WARN> |AP colin_i274@10.75.156.83 cli| Master Changed - new 127.0.0.1 old 0.0.0.0 current swarm state 0.
Jan 1 00:01:09 cli[2521]: <341135> <WARN> |AP colin_i274@10.75.156.83 cli| Master Changed - new 127.0.0.1 old 0.0.0.0 current swarm state 1.
Jan 1 00:01:11 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:c6:37:ca, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 00:01:11 cli[2521]: <341005> <ERRS> |AP colin_i274@10.75.156.83 cli| Drop image check since i am not the Master
Jan 1 00:01:12 cli[2521]: <341135> <WARN> |AP colin_i274@10.75.156.83 cli| Master Changed - new 127.0.0.1 old 0.0.0.0 current swarm state 1.
Jan 1 00:01:12 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Swarm State Change from Found to Image-ok
Jan 1 00:01:16 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:c6:37:ca, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 00:01:17 cli[2521]: <341194> <WARN> |AP colin_i274@10.75.156.83 cli| Loading configuration, func swarm_timer_handler, line 8081.
Jan 1 00:01:22 cli[2521]: <341205> <WARN> |AP colin_i274@10.75.156.83 cli| Applying enet config : port eth1.
Jan 1 00:01:30 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Swarm State Change from Image-ok to Complete
Jan 1 00:01:31 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:c6:37:ca, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 00:01:31 cli[2521]: <341165> <WARN> |AP colin_i274@10.75.156.83 cli| send image match to 10.75.156.81.
Jan 1 00:01:31 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:c6:37:ca, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 00:01:31 cli[2521]: <341165> <WARN> |AP colin_i274@10.75.156.83 cli| send image match to 10.75.156.81.
Jan 1 00:01:31 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:c6:37:ca, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 00:01:31 cli[2521]: <341165> <WARN> |AP colin_i274@10.75.156.83 cli| send image match to 10.75.156.81.
Jan 1 00:01:42 cli[2521]: <341199> <WARN> |AP colin_i274@10.75.156.83 cli| send_config_init: send config to slave 10.75.156.81, using url 0, auto save disable 0.
Jan 1 00:51:11 cli[2521]: <341108> <ERRS> |AP colin_i274@10.75.156.83 cli| sess_validate_sid: 179 invalid session client-10.75.56.3 sid-RLHAQQwsKCRmKEG5G27e.
Jan 1 16:42:26 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 16:42:26 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 16:43:45 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 16:43:45 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 16:55:44 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 16:55:44 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 17:09:11 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 17:09:11 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 17:31:48 cli[2521]: <341108> <ERRS> |AP colin_i274@10.75.156.83 cli| sess_validate_sid: 179 invalid session client-10.75.56.3 sid-ZTEC3D8HS87iJEiYTSGd.
Jan 1 17:42:11 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 17:42:11 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 17:44:36 cli[2521]: <341132> <WARN> |AP colin_i274@10.75.156.83 cli| Check sum error for AP-10.75.156.81, slave 50540 vs master 18472, error_cnt 1, recover_sent 0.
Jan 1 17:57:27 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 17:57:27 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 18:14:34 cli[2521]: <341108> <ERRS> |AP colin_i274@10.75.156.83 cli| sess_validate_sid: 179 invalid session client-10.75.56.3 sid-SVDcZJVgAT8ZmCZeEXjU.
Jan 1 21:21:25 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Invalid backup image version
Jan 1 21:21:25 cli[2521]: <341004> <WARN> |AP colin_i274@10.75.156.83 cli| Get backup image info error
Jan 1 21:44:57 cli[2521]: <341097> <WARN> |AP colin_i274@10.75.156.83 cli| recv_image_check: mac-9c:1c:12:cf:f5:d7, version-6.4.2.3-4.1.1.2_48114, ccode_idx-156.
Jan 1 21:44:57 cli[2521]: <341165> <WARN> |AP colin_i274@10.75.156.83 cli| send image match to 10.75.156.80.
Jan 1 21:50:25 cli[2521]: <341108> <ERRS> |AP colin_i274@10.75.156.83 cli| sess_validate_sid: 179 invalid session client-10.75.56.3 sid-Wg2dia11s6SBRUbpdxJb.