Your should be a supported version:
The software itself is not perpetually free open-source software. However, Cisco provides a generous, legally recognized method to use the CSR 1000v at under two specific conditions:
Supports advanced routing (BGP, OSPF, EIGRP), MPLS, VPN, and Firewall functionalities.
Cisco CSR 1000v OVA Download: Free, Verified, and Legal Methods
The CSR 1000v acts exactly like a physical Cisco router, supporting routing, firewalling, VPN, and traffic management capabilities.
If you are setting up a modern lab, be aware that Cisco has officially transitioned the CSR 1000v to End-of-Life (EOL) status. It has been succeeded by the .
Go to the Cisco Software Download page. You can search for "CSR 1000v" or navigate through the product categories: .
