LTM Policy – Matching Strategies
Introduction
LTM Policy is a highly performant-feature of the Big IP which allows administrators to inspect many aspects of the system and runtime traffic, and to take custom actions in response. ...
Updated Jun 06, 2023
Version 2.0
If LTM policy were randomly choosing rules when none matched, then that would be a problem (and I would be interested in getting a repro).
Perhaps what was going on before was just normal load balancing? It sounds like your policy actions were choosing a pool, so if no rules were matching, then connections could be spread out based on whatever load balancing scheme is defined for the virtual server. And that could certainly appear to be somewhat random.