Cisco ISE Persist irule
Good Day,
iRule “radius_callingid_persist_irule” is referenced in the Cisco’s How To: Cisco & F5 Deployment Guide: ISE Load Balancing Using BIG-IP.
https://community.cisco.com/t5/security-knowledge-base/how-to-cisco-amp-f5-deployment-guide-ise-load-balancing-using/ta-p/3631159#toc-hId--1235153972
According to the link: “This document is the result of a joint effort on behalf of Cisco and F5 to detail best practice design and configurations for deploying BIG-IP Local Traffic Manager with Cisco Identity Services Engine.” So presumably there are thousands of deployments using this configuration. I'm running v16.1.4.x and getting a ton of errors related to this irule.
May 15 04:11:01 slot1/LB err tmm[11966]: 01220001:3: TCL error: /hoc-caz/radius_callingid_persist_irule <CLIENT_DATA> - attempt to use empty persistence key (line 5) invoked from within "persist uie $nas_ip $persist_ttl"
The iRule is copy/pasted from the article with no customization. Does anyone else have this iRule implemented? If so, are you getting the same logs? If not, what version are you running? Any idea what the fix is?