About GLOBAL_STATISTIC_TOTAL_CONNECTIONS

And if I close all brower, it must be 0. But it does not. What's wrong?

 

 

Not enough information on the other points but your statement above is incorrect. When you look at current connections, the Bigip is showing OPEN connections. They do not have to actually be doing anything.

 

 

So, if you have requested a page through your browser and the page has completed loading. You immediately close the browser and check for current connections. You will still see the open connection from your request. The Bigip will wait for the webserver to go through time_wait, fin_wait and fin_wait2 before the connection is closed. The amount of time this takes will depend on the settings on the webserver host.

 

 

Granted, there are a lot of exceptions to this general behavior but the point is that closing your browser does not mean the connection on the bigip or webserver (node) immediately gets cleaned up.

 

 

Dotzero