Thanks Ariya for your response. I found an old Aruba document from the thread below related to the Fortinet guide wherein they leverage on ClearPass Context server action and Fortinet dynamic address object.
https://airheads.hpe.com/discussion/onguard-vpnposture-fortigate-firewall-integration
https://docs.fortinet.com/document/fortigate/7.4.3/administration-guide/912201/clearpass-integration-for-dynamic-address-objectsh
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Original Message:
Sent: Sep 25, 2025 08:20 PM
From: ariyap
Subject: Clearpass/Fortinet Dynamic Address Objects
one way is to enable accounting proxy and you use the namespace variables. %{ } to pass the desired contextual info

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Any opinions expressed here are solely my own and not necessarily that of HPE or Aruba.
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Original Message:
Sent: Sep 25, 2025 08:45 AM
From: ryan.b.dumali@hpe.com
Subject: Clearpass/Fortinet Dynamic Address Objects
Were you able to find out how this integration is configured in ClearPass side? I also could not find any documents on how this could be enforced from ClearPass side. Hope you can share some information if you where able to make it work. Thank you.