Cisco ISR4461/K9 Enterprise Branch Router

Product Description

The Cisco ISR4461/K9 is a modular enterprise router from the Cisco ISR 4000 series, designed for mid-to-large branch offices and enterprise edge deployments. It provides high-density Gigabit and 10 Gigabit Ethernet connectivity, advanced routing performance, and integrated services capability for demanding WAN environments.

Technical Specifications

• Form Factor: 2RU modular router
• Ethernet Ports: 2 x 10GE (SFP+), 4 x 1GE (RJ45)
• Network Interface Modules (NIM): 3 slots
• Service Modules (SM): 3 slots
• Flash Memory: 8 GB
• DRAM: 4 GB
• Chassis Part Number: ISR4461/K9

Design Features

• Modular architecture allows flexible combination of NIM and SM modules for customized connectivity and services.
• Dual 10GE uplinks provide high-throughput WAN aggregation or backbone connectivity.
• Four built-in Gigabit Ethernet ports support direct LAN edge connections without additional modules.
• Enterprise-grade routing platform with integrated hardware support for security, voice, and application services.
• Designed for rack-mount installation in standard enterprise equipment racks.

Application Area

This router is deployed in enterprise branch offices, regional hubs, and data center edge environments requiring high-bandwidth WAN links and modular expansion. It is suitable for organizations integrating multiple services — such as VPN, firewall, and voice — into a single routing platform, reducing physical footprint and simplifying network management.