what is the reasons when the traplog messages occur

[ccie_weili714]

i have configed two css11506 act as active-backup mode. and there are three real servers supplying web service are through one vip address for clients.when one server is down ,the clients complain that the webpage is opening very slow even not opened must be freshed can be opened.

traplog messages occurs:11/02/2006 03:02:43:Enterprise:Service Transition:www-server3 -> alive

11/02/2006 03:03:25:Enterprise:Service Transition:www-server3 -> down

11/02/2006 03:03:28:Enterprise:Service Transition:www-server3 -> alive

11/02/2006 03:06:25:Enterprise:Service Transition:www-server4 -> down

11/02/2006 03:07:45:Enterprise:Service Transition:www-server4 -> alive

11/02/2006 17:00:20:Enterprise:Service Transition:www-server3 -> down

11/02/2006 17:00:35:Enterprise:Service Transition:www-server3 -> alive

11/02/2006 18:55:41:Enterprise:Service Transition:www-server4 -> down

11/02/2006 18:57:01:Enterprise:Service Transition:www-server4 -> alive

11/02/2006 21:27:21:Enterprise:Service Transition:www-server3 -> down

11/02/2006 21:28:06:Enterprise:Service Transition:www-server3 -> alive

[Gilles Dufour]

you should check hat is your keepalive [icmp, tcp , ...?] and figure out why your server are going alive-down.

Capture a sniffer trace of the keepalive to see if the servers are responding correctly to CSS keepalive.

The message would not explain why connection is slow. You should capture a sniffer trace on front and back of css [simultaneously] to see what is happening.

Gilles.

[ccie_weili714]

thanks

servers are going alive-down are relation to the keeplive type ? i configed the service keepalive type http.

[Gilles Dufour]

capture a sniffer trace and verify that the server response to the CSS HTTP request.

Gilles.