Cisco Catalyst 9400 System Management Configuration Manual page 126

Downgrades
Table 10: Outcome and Action for New Deployment Downgrade to Smart Licensing
In the Smart Licensing Using Policy
Environment
Standalone product instance,
connected directly to CSSM, and
trust established.
High Availability set-up, connected
directly to CSSM, and trust
established.
Any other topology. (Connected to
CSSM Through CSLU, CSLU
Disconnected from CSSM, No
Connectivity to CSSM and No
CSLU)
Upgrade and Then Downgrade
If you upgrade to a software version that supports Smart Licensing Using Policy and then downgrade to any
of the earlier licensing models, license consumption does not change and any product features you have
configured on the product instance are preserved – only the features and functions that are available with
Smart Licensing Using Policy are not available anymore. Refer to the corresponding section below to know
more about reverting to an earlier licensing model.
Upgrade to Smart Licensing Using Policy and then Downgrade to Smart Licensing
System Management Configuration Guide, Cisco IOS XE Bengaluru 17.4.x (Catalyst 9400 Switches)
108
Downgrade to..
Cisco IOS XE Amsterdam 17.3.1
OR
Cisco IOS XE Gibraltar 16.12.4
and later releases in Cisco IOS XE
Gibraltar 16.12.x
OR
Cisco IOS XE Fuji 16.9.6 and later
releases in Cisco IOS XE Fuji
16.9.x
Any other release (other than the
ones mentioned in the row above)
that supports Smart Licensing
Any release that supports Smart
Licensing
Any release that supports Smart
Licensing
Smart Licensing Using Policy
Outcome and Further Action
No further action is required.
The product instance attempts to
renew trust with CSSM after
downgrade.
After a successful renewal, licenses
are in a registered state and the
earlier version of Smart Licensing
is effective on the product instance.
Action is required: You must
reregister the product instance.
Generate an ID token in the CSSM
Web UI and on the product
instance, configure the license
smart register idtoken idtoken
command in global configuration
mode.
Action is required: You must
reregister the product instance.
Generate an ID token in the CSSM
Web UI and on the product
instance, configure the license
smart register idtoken idtoken all
command in global configuration
mode.
Action is required.
Restore licenses to a registered and
authorized state by following the
procedures that are applicable in
the Smart Licensing environment.