Cisco NCS 1010 and NCS 1020 Datapath Configuration Guide, IOS XR Releases 26.x.x

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Reuse licenses with the SLR deactivation method

Updated: June 19, 2026

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This procedure explains how to reuse purchased licenses from a common license pool for device upgrades, temporarily, by releasing licenses with Smart License Reservation (SLR) deactivation.

You can release some of the purchased licenses belonging to a common license pool, and reuse the same to upgrade new devices that are added into your network, for a temporary period. Later on, you must purchase the licenses for the new devices.

Procedure

1.

Deregister the device for which you want to release the licenses, and enable Flexible Consumption Model (FCM) (if not enabled)

Example: 

RP/0/RP0/CPU0:ios#smart license deregister
RP/0/RP0/CPU0:ios#config
RP/0/RP0/CPU0:ios(config)#license smart flexible-consumption enable
RP/0/RP0/CPU0:ios(config)#commit
RP/0/RP0/CPU0:ios#end
2.

Generate the request code using the license smart reservation request local command.

Example: 

RP/0/RP0/CPU0:ios(config)#license smart reservation request local
Fri Jul  1 07:11:56.541 UTC
Enter this request code in the Cisco Smart Software Manager portal:
CC-ZNCS1010-SA:FCB2530B11E-BBTQDthRu-BE
3.

Use the generated code and generate the authorization code through Cisco Smart Software Manager. See Reserve licenses using Cisco Smart Software Manager.

Note

While reserving licenses in CSSM, under the Select Licenses tab, enter the number of licenses only for the RTU licenses, and leave the number of licenses as 0 for SIA licenses.
4.

Enter the run command to launch the iso XR Linux bash shell.

Example: 

RP/0/RP0/CPU0:iso#run

RP/0/RP0/CPU0:Jul 1 7:35:20.281: run_cmd[67213]: %INFRA-INFRA_MSG.5-RUN_LOGIN : User Cisco logged into shell from con0/RP0/CP0
5.

Create a file using the vim file name command.

Example: 

[node0_RP0_CPU0:~]$vim smart1
6.

Copy the authorization code in the file and type :wq to save and exit the file.
7.

Use the exit command to exit the shell.

Example:

[node0_RP0_CPU0:~]$exit
logout
RP/0/RP0/CPU0:Jul 1 7:45:21.146 UTC run-cmd[67213] %INFRA_MSG-5-LOGOUT : User cisco logged out of shell from con0/RP0/CPU0
8.

Install the authorization code using the license smart reservation install file command.

Example: 

RP/0/RP0/CPU0:iso#license smart reservation install file /disk0:/smart1
Thu Jul 19 13:46:22.877 UTC
RP/0/RP0/CPU0:Jul 1 7:46:22.946 UTC: plat_sl_client[368]: %LICENSE-PLAT_CLIENT-6-STATE_CHANGE : Licensing platform state changing from UNREGISTERED to REGISTERED 
RP/0/RP0/CPU0:Jul 1 7:46:22.946 UTC: smartlicserver[247]: %LICENSE-SMART_LIC-6-AGENT_REG_SUCCESS : Smart Agent for Licensing Registration successful. udi PID:NCS1010-SA,SN:FCB2546B08T 
Reservation install file successful
Last Confirmation code 8572aa81
Note

You can verify the number of reservations in the Cisco smart software manger portal.
9.

Verify the license reservation using the command show license platform summary.

Example: 

RP/0/RP0/CPU0:test#show license platform summary
Fri Jul  1 07:24:07.016 UTC
Collection: LAST: Fri Jul 01 2022 07:48:34 UTC
            NEXT: Fri Jul 01 2022 07:48:34 UTC
Reporting:  LAST: Fri Jul 01 2022 07:48:34 UTC
            NEXT: Fri Jul 01 2022 07:48:34 UTC
SIA Status: Node is in deactivated state
10.

After the node is deactivated and the licenses are freed on the CSSM server, use those licenses to perform software upgrade on another node for a temporary period.