C1900-universalk9-mz-spa-158-3-m7-bin !!link!! May 2026

After reboot, verify with show license . Without the license, the router functions as a basic "IP Base" device, disabling VPN tunnels and advanced firewall zones.

15.8(3)M7 (A mature, stable "M" release focused on bug fixes and security hardening). Core Features & Enhancements C1900-universalk9-mz-spa-158-3-m7-bin