The Cisco ISR 4431-K9 is a refurbished Integrated Services Router offering a base throughput of 500 Mbps (upgradable to 1 Gbps). With 4 Gigabit Ethernet ports, 3 NIM slots, and IPsec VPN capabilities, it delivers secure, high-performance networking for medium to large branch offices.
✅ Key Features: Refurbished Condition: This unit is a remanufactured (refurbished) product, offering a cost-effective solution that meets Cisco's quality standards. High Performance: Provides a base forwarding throughput of 500 Mbps, expandable to 1 Gbps with a performance license, suitable for demanding branch office environments. Integrated Gigabit Ethernet: Features 4 built-in 10/100/1000 Mbps Ethernet ports for flexible WAN and LAN connectivity. Modular Design: Equipped with 3 Network Interface Module (NIM) slots and 1 Services Module (SM-X) slot, allowing for extensive customization and expansion with various modules (e.g., voice, security, WAN, LAN). Advanced Security (K9 License): Supports robust security features including IPsec VPN, SSL VPN, integrated firewall, and intrusion prevention capabilities, ensuring secure data transmission. Voice and Video Capable: Designed to support high-density voice and video services with the addition of optional PVDM4 DSP modules and voice NIMs. Generous Memory & Storage: Comes with 4 GB DRAM and 8 GB Flash memory for stable operation and capacity for services. Cisco IOS XE Software: Runs on Cisco's modular and programmable IOS XE operating system for robust network control. Integrated Services: Consolidates routing, switching, security, and application services into a single platform, reducing complexity and operational costs. Flexible WAN Options: Supports a variety of WAN connectivity options via modular interfaces to meet diverse network requirements.
