Cisco SL-900-SEC Security License for ISR 900 Series Routers
Cisco SL-900-SEC is a software security license for Cisco 900 Series ISR routers that unlock advanced security capabilities such as Zone-Based Firewall, IPsec VPN, DMVPN, FlexVPN, GET VPN, and SSL VPN for secure branch connectivity.
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Cisco SL-900-SEC Security License Overview
Cisco SL-900-SEC is an advanced security software license designed for Cisco ISR 900 Series routers. This license enables enterprise-grade security features required by organizations operating branch offices, remote sites, retail stores, and distributed enterprise environments. By activating SL-900-SEC, businesses can transform their ISR 900 router into a secure branch gateway capable of protecting WAN traffic, securing remote access, and enforcing security policies.
The Cisco ISR 900 Series combines routing, WAN connectivity, switching, and security in a compact branch platform. While the default IP Base license provides routing and networking functions, the SL-900-SEC license adds advanced security services required for modern business networks.
Features Enabled by SL-900-SEC
- Zone-Based Firewall (ZBFW)
- IPsec VPN
- DMVPN
- FlexVPN
- GET VPN
- SSL VPN
- Advanced branch security policies
- Secure WAN encryption
What Does SL-900-SEC Do?
SL-900-SEC activates advanced threat protection and secure connectivity capabilities on Cisco ISR 900 routers. This allows organizations to secure branch communications, build encrypted VPN tunnels, and protect traffic flowing between branch offices, headquarters, and cloud services.
Key Benefits
Enhanced Network Security
Protect branch traffic using enterprise firewall controls, encrypted VPN tunnels, and access policies.
Secure Remote Connectivity
Enable secure site-to-site and remote-access VPN connections for distributed teams and branch offices.
Reduced Hardware Requirements
Consolidate routing and security into a single ISR 900 platform without needing dedicated firewall appliances.
Scalable Branch Deployment
Deploy consistent security policies across multiple locations with centralized management.
Typical Use Cases
- Retail branch networks
- Small and medium offices
- Banking branches
- Remote enterprise sites
- Managed service provider deployments
- Secure WAN connectivity
License Comparison
| License | Main Purpose |
|---|---|
| SL-900-IPB | Basic routing and WAN features |
| SL-900-SEC | Security, firewall, and VPN |
| SL-900-APP | Application optimization and advanced networking |
Frequently Asked Questions
What is Cisco SL-900-SEC?
It is a software license that enables advanced security services on Cisco ISR 900 routers.
Does SL-900-SEC include IP Base?
Yes. Security licensing includes IP Base features plus advanced security functions.
Is this a physical product?
No. SL-900-SEC is an electronic software license, not hardware.
Who should buy SL-900-SEC?
Organizations needing secure branch connectivity, VPN access, and advanced firewall protection.
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