Cisco SL-1100-4P-SEC Security License for Cisco ISR 1100 4P Series

Overview
The Cisco Security License for ISR 1100 4P Series (part number SL-1100-4P-SEC) unlocks advanced security capabilities on the Cisco Integrated Services Router 1100 4-port model. This license enables organizations to protect branch and remote sites with high-performance firewall, intrusion prevention, and VPN services while maintaining the simplicity and reliability of Cisco ISR hardware.

Key Features

• Enables Cisco IOS XE Security Services including Zone Based Firewall and Advanced Malware Protection
• Supports IPsec and SSL VPN for secure remote access and site-to-site connectivity
• Integrates with Cisco SecureX for centralized threat visibility and analytics
• Provides hardware-accelerated encryption to minimize CPU impact
• Scalable licensing model that can be combined with other Cisco security subscriptions

Technical Specifications

• Applicable to Cisco ISR 1100 4P routers only
• License type: Permanent, on-device activation
• Software version: Cisco IOS XE 16.9 or later
• Supports up to 250 Mbps firewall throughput (depending on configuration)
• Maximum concurrent VPN tunnels: 2000
• Encryption algorithms: AES 128, AES 256, 3DES

Applications
This security license is ideal for branch offices, retail locations, and remote sites that require robust network protection without sacrificing performance. It enables secure connectivity for point-of-sale systems, IoT devices, and mobile workforces. Companies in finance, healthcare, education, and manufacturing can leverage the license to meet compliance requirements such as PCI DSS, HIPAA, and GDPR while simplifying management through Cisco DNA Center or Cisco Prime Infrastructure.