Cisco C921-4P Gigabit Ethernet Security Router (Includes Switch)

The Cisco C921-4P is part of the Cisco 900 Series Integrated Services Routers (ISR), purpose-built for small businesses, branch offices, and remote sites needing reliable, secure, and high-speed connectivity. Compact yet powerful, the C921-4P delivers integrated security, WAN flexibility, and superior performance — ideal for modern cloud and digital workloads.

With 4 Gigabit Ethernet LAN/WAN ports, the C921-4P supports VPN, firewall, and QoS (Quality of Service) features, ensuring safe and efficient data transfer. It runs on Cisco IOS XE software, providing enterprise-grade capabilities in a compact, energy-efficient form factor.

Key Features

• 4 × 10/100/1000 Gigabit Ethernet ports for flexible LAN/WAN deployment

• High-performance routing for small branch or remote office applications

• Integrated advanced security including VPN, firewall, and threat defense

• Supports Cisco IOS XE software for enterprise-level reliability and programmability

• Compact and fanless design ideal for space-constrained environments

• Cloud-ready with SD-WAN and remote management support

• Energy-efficient performance for 24/7 operation

Benefits

• All-in-one connectivity: Combines routing, security, and network management in a single compact device.

• Secure networking: Protects sensitive business data with built-in VPN and firewall.

• High-speed performance: Gigabit ports ensure fast data transfer across LAN and WAN connections.

• Simple management: Easy configuration through Cisco DNA Center or web-based GUI.

• Cost-effective solution: Enterprise-level reliability at a price suited for small businesses.

• Future-ready: Supports cloud applications, remote access, and scalable deployment.

Technical Specifications