Upgrade your network with the Cisco ISR 4431 Integrated Services Router for secure, high-performance branch connectivity. Brand: Cisco Model: ISR 4431/K9 Type: Integrated Services Router (ISR) Ports: 3 x Gigabit WAN ports, 4 x Gigabit LAN ports for
The Cisco 4431 Integrated Services Router is part of the Cisco 4000 Series, designed for the evolving branch environment and the demands of modern business. It delivers highly secure, high-performance, and reliable WAN connectivity, rich network services, and superior virtualization capabilities. Perfect for medium to large branch offices, the ISR 4431 offers flexibility, integrated services, and investment protection in a compact form factor.
With modular interfaces and support for advanced features like application-aware routing, encrypted traffic management, and integrated threat defense, the ISR 4431 is built to support digital transformation in the enterprise.
| Feature | Details |
|---|---|
| Model | Cisco ISR 4431/K9 |
| Form Factor | Rack-mountable – 1 RU |
| WAN Interfaces | 3 Integrated 10/100/1000 Ethernet Ports |
| LAN Interfaces | 4 Integrated 10/100/1000 Ethernet Ports |
| NIM (Network Interface Modules) | 2 Slots |
| SM (Service Modules) | 1 Slot |
| Memory (Default / Max) | 4 GB DDR3 ECC (upgradable to 16 GB) |
| Flash Memory | 8 GB (upgradable to 32 GB) |
| Performance (Aggregate Throughput) | 500 Mbps to 1 Gbps (Performance-on-Demand license) |
| Power Supply | Internal AC or DC |
| Redundancy | Optional redundant power supply (RPS) |
| Security Features | Cisco IOS XE with integrated threat defense, Zone-Based Firewall, VPN |
| Virtualization | Supports Cisco NFVIS, KVM Virtual Machines |
| Management | CLI, SNMP, NETCONF/YANG, Cisco Prime, REST APIs |
| Operating System | Cisco IOS XE |
| Dimensions (H x W x D) | 1.75 x 17.25 x 18.1 inches (4.45 x 43.8 x 45.97 cm) |
| Weight | 15.2 lbs (6.9 kg) approx. |
| Typical Use Cases | Secure WAN connectivity, Voice and Video services, Cloud connectivity |