Cisco SL-4350-SEC-K9 SL-4350-SEC-K9 License

Overview

The Cisco SL-4350-SEC-K9 license activates the full suite of security functions on Cisco 4350 Series switches. It provides a software-based solution that enhances network integrity, simplifies compliance, and protects critical data flows in enterprise and midmarket environments.

Key Features

• Integrated threat detection and mitigation for malware, ransomware and DDoS attacks
• Secure segmentation with VLAN access control lists and private VLANs
• Advanced encryption support including MACsec and IPsec for data in transit
• Policy based routing and traffic shaping to enforce QoS while maintaining security
• Centralized management via Cisco DNA Center and Cisco Prime Infrastructure
• Scalable licensing model that grows with the network without hardware changes

Technical Specifications

• Compatible with Cisco Catalyst 4350 Series switches running IOS XE 16.12 or later
• License type: Permanent, feature based
• Activation method: Software key entered through CLI or GUI
• Supports up to 256 VLANs and 4096 MAC addresses per switch
• Encryption algorithms: AES-128, AES-256, SHA-2 family
• Logging integration with Syslog, SNMP and NetFlow exporters

Typical Applications

• Enterprise campus networks that require layered security without additional appliances
• Data center edge switching where microsegmentation is critical for compliance
• Branch office deployments needing secure VPN termination and encrypted traffic
• Industrial IoT environments where network isolation protects operational technology
• Financial institutions seeking to meet PCI-DSS and other regulatory standards

This license delivers a cost-effective, high-performance security foundation that can be quickly deployed across existing Cisco 4350 hardware, helping organizations safeguard their digital assets while maintaining optimal network performance.