Lightboard Lessons: F5 BIG-IP DNS (GTM) iQuery Protocol Overview
Published Aug 09, 2017
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Hi Jason. I'm confused how both CMI (DSC) and iquery(big3d) use same tcp port 4353. According the https://support.f5.com/csp/article/K17333 : CMI uses the same port as iQuery tcp:4353, but is independent of iQuery and the port configuration options available for the port. If you are using iQuery, you must allow port 4353 in your port lockdown settings.
How can the two different applications use the same tcp/4353 port?