there is a question,Please help me !
main information like this : Product BIG-IP Version 11.5.1 Build 6.0.159 Edition Hotfix HF6
For a month, this BIP-IP reboot itself from time to time,I have no idea about the reason .
[root@Ba:Active:Standalone] core last root pts/0 174.1.2.6 Wed Mar 30 14:26 still logged in
root pts/0 174.1.2.6 Wed Mar 30 10:44 - 12:03 (01:18)
reboot system boot 2.6.32-279.19.1. Wed Mar 30 03:49 (11:20)
reboot system boot 2.6.32-279.19.1. Wed Mar 30 03:36 (11:33)
reboot system boot 2.6.32-279.19.1. Tue Mar 29 06:31 (1+08:39)
reboot system boot 2.6.32-279.19.1. Tue Mar 29 05:57 (1+09:12)
reboot system boot 2.6.32-279.19.1. Tue Mar 29 05:19 (1+09:50)
reboot system boot 2.6.32-279.19.1. Tue Mar 29 05:09 (1+10:00)
reboot system boot 2.6.32-279.19.1. Mon Mar 28 22:25 (1+16:44)
reboot system boot 2.6.32-279.19.1. Sun Mar 20 02:26 (10+12:43)
reboot system boot 2.6.32-279.19.1. Thu Mar 17 17:32 (12+21:37)
reboot system boot 2.6.32-279.19.1. Tue Mar 15 21:19 (14+17:50)
reboot system boot 2.6.32-279.19.1. Mon Mar 14 21:18 (15+17:51)
reboot system boot 2.6.32-279.19.1. Mon Mar 14 03:19 (16+11:50)
reboot system boot 2.6.32-279.19.1. Mon Mar 14 01:27 (16+13:42)
reboot system boot 2.6.32-279.19.1. Sun Mar 6 21:15 (23+16:55)
reboot system boot 2.6.32-279.19.1. Tue Mar 1 22:20 (28+15:50)
and I can find some log information in /var/log/ltm as follows;
Mar 30 03:43:44 Ba err tmm1[10061]: 01470000:3: iSession: Connection error: isession_rx_isession_msg:926: Invalid iSession header:3 Mar 30 03:45:19 Ba err tmm[10061]: 01470000:3: iSession: Connection error: isession_rx_isession_msg:926: Invalid iSession header:3 Mar 30 04:01:17 Ba err tmm1[10099]: 01470000:3: iSession: Connection error: isession_rx_isession_msg:926: Invalid iSession header:3 Mar 30 04:01:49 Ba err tmm[10099]: 01470000:3: iSession: Connection error: isession_rx_isession_msg:926: Invalid iSession header:3