The Cisco ISR 4431-K9-RF is a refurbished, high-performance Integrated Services Router for enterprise branches, delivering 500 Mbps to 1 Gbps throughput, advanced security, and modular expansion for diverse network services.
✅ Key Features: Refurbished Condition: This unit is refurbished, offering a cost-effective solution with guaranteed performance and reliability. High Aggregate Throughput: Provides 500 Mbps up to 1 Gbps of aggregate throughput, with potential for further boosts via performance licenses, suitable for demanding enterprise branch environments. Modular Design: Features 3 Network Interface Module (NIM) slots for flexible connectivity options, allowing for customization with various WAN, LAN, voice, and compute modules. Integrated Gigabit Ethernet Ports: Includes 4 onboard 10/100/1000 (Gigabit Ethernet) ports (4x RJ-45 and 4x SFP ports, which are shared), providing versatile connectivity for various network topologies. Advanced Security (K9): Equipped with a comprehensive security feature set, including robust IPsec VPN capabilities, a stateful firewall, and support for intrusion prevention system (IPS) services (licenses may be required). Enhanced Memory and Storage: Comes with 2 GB default data plane DRAM (up to 2 GB max), 4 GB default control/services plane DRAM (up to 16 GB max), and 8 GB default flash memory (up to 32 GB max) for robust performance and scalability. Cisco IOS XE Software: Runs on the highly resilient and feature-rich Cisco IOS XE Software, supporting Intelligent WAN (IWAN) capabilities, application visibility and control (AVC), and more. Redundant Power Supply Support: Supports optional redundant internal AC, DC, or PoE power supplies for enhanced business continuity and reliability. Voice and Video Capable: Supports voice and video applications with robust Quality of Service (QoS) features and options for voice network interface modules. Compact 1RU Form Factor: Designed for easy rack-mounting, suitable for enterprise data centers and larger branch offices.
