Cisco ASA 5500-X VPN Sessions license (part number L-ASA-VPNS-40K) for the Firepower ASA platform. This license key activates up to 40,000 concurrent IPsec and SSL VPN sessions on compatible ASA 5500-X series appliances. Enables secure remote access, site-to-site connectivity, and encrypted traffic termination for enterprise networks requiring high-capacity VPN scalability. Compatible with ASA 5512-X, 5515-X, 5525-X, 5545-X, 5555-X, and 5585-X models. Typical deployments include branch office connectivity, remote workforce access, and hybrid cloud integration. Delivered as a software license key; physical hardware sold separately. Tested and guaranteed; available via quote.