Cisco ISR4351-DNA Router – High-Performance Integrated Services

Equipment Overview

The Cisco ISR4351-DNA is a modular enterprise router from the Cisco ISR 4000 series, designed for medium to large branch offices and WAN aggregation points. It integrates routing, security, and application services into a single platform, supporting concurrent operations for data, voice, and video traffic. The unit is equipped with 3 Gigabit Ethernet ports, 3 network interface module slots, and 2 service module slots, providing scalable connectivity for evolving network demands. This model includes Cisco DNA (Digital Network Architecture) capabilities, enabling centralized policy management and automated network provisioning.

Main Parameters

• Form Factor: 2U rack-mountable modular router
• Fixed Ports: 3 x Gigabit Ethernet (GE) ports
• Expansion Slots: 3 x Network Interface Module (NIM) slots, 2 x Service Module (SM) slots
• Memory: 4 GB DRAM
• Flash Storage: 4 GB flash memory
• Software: IP Base (IPB) feature set with Cisco DNA licensing
• Part Number: ISR4351-DNA

Key Advantages

The ISR4351-DNA is selected for enterprise projects due to its modular architecture, which allows incremental upgrades of WAN interfaces and services without replacing the chassis. The inclusion of Cisco DNA simplifies network automation, assurance, and security policy enforcement across distributed sites. Its dual service module slots support high-performance encryption and application visibility, making it suitable for performance-sensitive branch deployments.

Compatibility & Integration

The platform supports standard Ethernet, MPLS, and VPN technologies, integrating with existing Cisco IOS XE-based infrastructure. It is compatible with Cisco DNA Center for centralized management and with a wide range of NIM modules for serial, Ethernet, and digital signal processor (DSP) connectivity. The router adheres to industry standards for routing protocols, including OSPF, EIGRP, and BGP, ensuring interoperability in mixed-vendor environments.