How do I create a passive health monitor?

Basically what this involves is looking at the HTTP status codes that come back in the HTTP_RESPONSE event and invoking LB::reselect if it's a 404 or 500 or something like that. I believe LB::reselect is new in 9.4.

 

 

In the http profiles you will also notice a new field in 9.4 that does a fallback on whatever response codes you define (it's essentially a canned iRule along the lines of what I described above).

 

 

Denny