Supported Topologies
This section describes the various ways in which you can implement Smart Licensing Using Policy. For each
topology, refer to the accompanying overview to know the how the set-up is designed to work, and refer to
the considerations and recommendations, if any.
After Topology Selection
After you have selected a topology, see How to Configure Smart Licensing Using Policy: Workflows by
Topology , on page 110. These workflows are only for new deployments. They provide the simplest and fastest
way to implement a topology.
If you are migrating from an existing licensing model, see Migrating to Smart Licensing Using Policy, on
page 118.
If you want to perform any additional configuration tasks, for instance, if you want to configure a different
license, or use an add-on license, or if you want to configure a narrower reporting interval, see the Task Library
for Smart Licensing Using Policy, on page 138. Check the "Supported Topologies" where provided, before
you proceed.
Connected to CSSM Through CSLU
Overview:
Here, product instances in the network are connected to CSLU, and CSLU becomes the single point of interface
with CSSM. A product instance can be configured to push the required information to CSLU. Alternatively,
CSLU can be set-up to pull the required information from a product instance at a configurable frequency.
Product instance-initiated communication (push): A product instance initiates communication with CSLU,
by connecting to a REST endpoint in CSLU. Data that is sent includes RUM reports and requests for
authorization codes and trust codes. You can configure the product instance to automatically send RUM
reports to CSLU at required intervals. This is the default method for a product instance.
CSLU-initiated communication (pull): To initiate the retrieval of information from a product instance, CSLU
uses NETCONF, or RESTCONF, or gRPC with YANG models, or native REST APIs, to connect to the
product instance. Supported workflows include receiving RUM reports from the product instance and sending
the same to CSSM, authorization code installation, trust code installation, and application of policies.
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
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Smart Licensing Using Policy
Supported Topologies
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