Forum Discussion
Danny_Arroyo
Cirrus
Jan 28, 2015iRule send CPU utilization to 100%
We are running a Bigip LTM v11.4.1 (build 647 hf4).
I created an irule (shown below) to put up a system down page for one of my VIP's where the pool members were going to be down for some time. I ...
Danny_Arroyo
Cirrus
Jan 28, 2015Thanks Micheal. Are you saying that the connection stays open after the irule runs? And that's why you added the "Connection" "Close" statement? Also, does "return" essentially "exit" the VIP? If so, what happens at the client? Will the system down page stay in the client's browser?
Thanks again
- StephanMantheyJan 28, 2015
Nacreous
The "Connection Close" is a header to indicate the peer does not want to maintain a keep-alive connection and the connection will be closed gracefully. The "return" command will exit the current event and is explained in more detail in the wiki page: https://devcentral.f5.com/wiki/iRules.return.ashx The delivered payload will remain in the browser window even the tcp-connection is closed. - Michael_JenkinsJan 28, 2015
Cirrostratus
the event disable command makes sure that no other I rule events are called. the connection close header tells the client to end the connection. the return command just exits the iRule.
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