CSR1000v PLR License

Essentially, Cisco Permanent License Reservation is an offline solution benefits the customers in order to register their products, resides in a highly secure networks, permanently and without any direct or indirect connection to the Cisco licensing portal (CSSM). 

These licenses can be applied on the IOS XE autonomous mode enabling all features and capabilities.  

Within Cisco Aggregation Services Router Series, Cisco CSR1000v PLR can be applied on these series activating all the following features on the device permanently:

• IP Base: For basic networking, High availability, management and other essential features. 
• Security: For advanced security features such as VPN tunnels. 
• AppX: For advanced networking and application experience features. 
• AX: To enable all features. 

For knowing about ISR CSR1000v PLR activation process please check the link below:
Activating PLR License on IOS XE