Cisco ISR4351/K9 3-Port Gigabit Ethernet Integrated Services Router with 3 NIM Slots

Cisco ISR4351/K9 Overview

The Cisco ISR4351/K9 is an enterprise-grade Integrated Services Router from the Cisco ISR 4000 Series, designed to provide secure and flexible connectivity for enterprise branch offices, WAN environments and distributed networks.

The router provides 3 onboard Gigabit Ethernet interfaces and a modular architecture with 3 Network Interface Module (NIM) slots, 2 Service Module (SM) slots and 1 Integrated Service Card (ISC) slot. This modular design allows organizations to expand network interfaces and services according to their requirements.

The ISR4351/K9 operates with Cisco IOS XE, providing an enterprise software platform for routing, security, VPN, quality of service and other network services. The platform is suitable for organizations requiring a configurable and expandable branch router.

Key Features

Modular Network Architecture

The Cisco ISR4351/K9 is designed around a modular architecture that enables organizations to customize the router for specific branch and WAN requirements. Its combination of onboard Gigabit Ethernet ports and expansion slots provides flexibility for different network designs.

• 3 × onboard Gigabit Ethernet interfaces
• 3 × NIM slots for modular network interfaces
• 2 × SM slots for service-module expansion
• 1 × ISC slot for Integrated Service Cards
• Modular architecture for flexible enterprise deployments
• Supports compatible Cisco expansion modules

Performance & Throughput

The ISR4351/K9 is designed to provide scalable routing performance for enterprise branch and WAN environments. Its performance can be expanded through Cisco software licensing options depending on the required network throughput and services.

Enterprise Networking Capabilities

With Cisco IOS XE, the ISR4351/K9 supports enterprise routing and network-service capabilities required by branch offices and distributed organizations. The platform can be deployed for WAN connectivity, secure routing, VPN services and additional network functions through compatible modules and software licenses.

• Enterprise IPv4 and IPv6 routing
• WAN connectivity
• IPsec VPN capabilities
• Quality of Service (QoS)
• Access control and security services
• Network Address Translation (NAT)
• Modular WAN interface expansion
• Enterprise network-service integration

Security & VPN

The ISR4351/K9 provides a platform for implementing secure enterprise WAN architectures. With compatible Cisco IOS XE features and licensing, organizations can deploy IPsec VPN, firewall, access-control and other security services to protect branch and WAN communications.

Ideal Applications

• Enterprise branch offices
• Corporate WAN environments
• Remote office connectivity
• Distributed enterprise networks
• Secure WAN deployments
• Modular routing infrastructure
• Enterprise VPN deployments
• Network-service integration
• Commercial and corporate networks

Product Lifecycle

Why Choose Cisco ISR4351/K9?

The Cisco ISR4351/K9 combines three Gigabit Ethernet interfaces with extensive modular expansion through three NIM slots, two SM slots and one ISC slot. This architecture allows organizations to customize the router for different enterprise WAN, branch and network-service requirements.

With Cisco IOS XE, 4 GB DRAM, 4 GB Flash and scalable throughput options, the ISR4351/K9 provides a flexible platform for enterprise routing and secure WAN connectivity. For new network deployments, Cisco's listed replacement is the Catalyst C8300-2N2S-6T.