My customer use css 11800 running 6.10 Build 304 software for server load-blance
I config default http keepalive to probe the server status like below.
service WWW2
ip address 163.29.x.x
keepalive type http
active
service WWW3
ip address 163.29.x.x
keepalive type http
active
Since last week,I found many server up/down message in sys.log file
SEP 20 01:22:36 7/1 1145 NETMAN-2: Enterprise:Service Transition:dpsvr2 -> down
SEP 20 01:22:41 7/1 1146 NETMAN-2: Enterprise:Service Transition:amd52 -> down
SEP 20 01:24:26 7/1 1147 NETMAN-5: Enterprise:Service Transition:amd52 -> alive
SEP 20 01:24:56 7/1 1148 NETMAN-5: Enterprise:Service Transition:dpsvr2 -> alive
SEP 20 03:20:06 7/1 1149 NETMAN-2: Enterprise:Service Transition:WWW3 -> down
SEP 20 03:20:16 7/1 1150 NETMAN-5: Enterprise:Service Transition:WWW3 -> alive
SEP 20 07:00:57 7/1 1151 NETMAN-2: Enterprise:Service Transition:www5 -> down
SEP 20 07:01:11 7/1 1152 NETMAN-5: Enterprise:Service Transition:www5 -> alive
The server status change down to up,almost during 20 sec only,and We can access the server without any problem at the same time
Does this is a software bug.If not,How do I trace this problem,thks!!