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Forum Discussion

haoest_162921's avatar
haoest_162921
Icon for Nimbostratus rankNimbostratus
Jul 05, 2014

Cache or other request interception?

Hello,   In our production environment, we are running into some weird problems. I am not network admin, and I don't even know which model of F5 balancer we are using. But let me explain the troub...
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Jul 05, 2014

A few things to check:

 

  1. Are the dates/times the same on all of the IIS servers? If you're having a persistence issue, you could be load balancing to another box intermittently.

     

  2. What persistence mechanism are you using? You said something about 10 minutes, so assuming source address maybe? Since this is an HTTP-based application, consider using the built-in cookie persistence. It has no timeout value, uses less resources, and can be more reliable in most cases.

     

  3. Do you have any iRules applied to the virtual server? Is there a caching profile? If yes to either, are there any unusual configurations? A caching mechanism should indeed not affect a post, but stranger things have happened.