have occasionally been available for free download to anyone with a standard (free) Cisco CCO account. Cisco Modeling Labs (CML)
For developers and learners, Cisco DevNet offers verified access to network operating systems for sandbox and testing purposes. cisco csr 1000v ova download free verified
If you need the direct link to the trial OVA or step-by-step deployment guide (ESXi/KVM), let me know and I can provide that next. have occasionally been available for free download to
: If you only need a router for temporary testing or learning APIs, the DevNet Sandbox cisco csr 1000v ova download free verified
CSR1000v - GNS3 Alternatives for CCNP Core - Routing & Switching