Cisco ISR 4000 Licenits SL-4320-SEC-K9

The Cisco SL-4320-SEC-K9 is a Security license for the ISR 4321 router in the Cisco ISR 4000 series. It activates the advanced IOS-XE security features: IPsec encryption, site-to-site and secure remote access VPN, Zone-Based stateful firewall, IPS intrusion prevention, and support for modern security protocols. It enables routing and perimeter security to be consolidated on a single compact platform.

This license is suited to SMBs and branch offices looking to strengthen their WAN connection security without deploying a dedicated firewall appliance. It integrates into SD-WAN and DMVPN architectures with end-to-end encryption. Ideal for sites requiring baseline regulatory compliance on their network flows. Genuine Cisco license, immediately activatable via Smart Licensing.