Cisco L-FLSASR1-FW L-FLSASR1-FW License

Overview

The Cisco L-FLSASR1-FW license unlocks advanced firewall capabilities for the ASR 1000 Series routers, delivering robust security controls and high performance inspection for enterprise and service provider networks. Designed to integrate seamlessly with existing Cisco IOS XE software, this license enables policy based traffic filtering, intrusion prevention, and encrypted traffic inspection without compromising throughput.

Key Features

• Full firewall functionality for ASR 1000 Series platforms
• Stateful packet inspection with deep packet analysis
• Integrated support for Cisco Secure Firewall policies
• Scalable to multi-gigabit line rates
• Centralized management via Cisco DNA Center and Cisco Prime Infrastructure
• Automatic software updates through Cisco Smart Licensing

Technical Specifications

• Applicable models: Cisco ASR 1001, 1002, 1004, 1006, 1013, 1015, and 1017 routers
• License type: Permanent, subscription free
• Software version requirement: IOS XE 16.9 or later
• Maximum concurrent sessions: Up to 1 million per device
• Throughput capacity: Up to 10 Gbps firewall throughput (dependent on hardware configuration)
• Support for IPv4 and IPv6 traffic inspection

Typical Applications

• Enterprise branch office edge security
• Service provider peering points and customer edge protection
• Data center ingress/egress traffic filtering
• Secure connectivity for cloud and SaaS applications
• Regulatory compliance enforcement such as PCI DSS and GDPR

This license empowers network administrators to enforce granular security policies, reduce attack surface, and maintain high performance across critical network segments. By adding the Cisco L-FLSASR1-FW license, organizations gain a flexible, future-ready firewall solution that scales with evolving traffic demands.