Lightboard Lessons: F5 BIG-IP DNS (GTM) iQuery Protocol Overview

In this episode of Lightboard Lessons, I introduce iQuery, the F5 proprietary protocol utilized by BIG-IP DNS to exchange system configuration with other BIG-IP DNS systems and performance metrics wi...
Published Aug 09, 2017
Version 1.0
application delivery
BIG-IP DNS
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Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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Christ Follower, Husband, Father, Technologist. I love community and I especially love THIS community. My background is networking, but I've dabbled in all the F5 iStuff, I'm a recovering Perl guy, and am very much a python enthusiast. Learning alongside all of you in this accelerating industry toward modern apps and architectures.
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JRahm
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Nov 27, 2018

I don't have access to the source code so I can't be sure, but think of it like a virtual server with a single port and an iRule. You can do a lot of decision making during protocol negotiation with an iRule, where you can reject or accept based on criteria you evaluate in headers and/or payload.