Introduction
This document describes Smart Licensing Using Policy (SLUP) on air-gapped Catalyst 9800 Wireless LAN Controller (WLC) via Cisco Digital Network Architecture (DNA) Center.
Requirements
Smart Licensing Using Policy (SLUP) on Catalyst 9800 WLC with the help of DNA Center requires WLC image version 17.3.2a or higher, and DNA Center version 2.2.1 or higher.
SLUP Workflow With DNA Center
Like older AireOS based controllers, the 9800 WLC itself does not need to be licensed. You only need to license the Access Points (APs) that are joined to the controller. The access point license usage needs to be reported to Cisco's smart license server (also known as Cisco Smart Software Manager - CSSM). There are several ways to achieve this. In wireless enterprise networks, WLCs
are often air gapped without Internet access. This makes it difficult to report AP license usage to the CSSM. This article assumes that the WLC is air gapped and that DNA Center has access to CSSM over TCP ports 80 and 443.
Note: Unlike AireOS WLCs, 9800 WLC that is not correctly licensed continues to function even after the evaluation license expires
Once the APs are joined to the WLC, license consumption information is stored in a secured location on the device in the form of RUM/Usage reports. Cisco DNA Center pulls these reports from WLC and upload it to CSSM on demand or periodically. Each time a RUM report is uploaded to the CSSM, the DNA Center needs to let the WLC know.
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