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iCall Triggers - Invalidating Cache from iRules

iCall is BIG-IP's all new (as of BIG-IP version 11.4) event-based automation system for the control plane. Previously, I wrote up the iCall system overview, as well as an article on the use of a peri...
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Updated Oct 23, 2025
Version 2.0
acceleration
application delivery
code
dev
devops
iCall
iRules
tech tip
TMSH
JRahm's avatar
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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's avatar
Icon for Admin rankAdmin
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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DRP
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Jul 14, 2020

From tmsh

type create sys icall and hit question mark.