Cisco Integrated Services Router ISR 4321

Product Description:

The Cisco 4321 Integrated Services Router (ISR 4321) is a high-performance, secure, and scalable networking solution designed for small to medium-sized businesses (SMBs) and branch offices. Part of the Cisco 4000 Series ISR family, this router delivers enterprise-class performance, security, and cloud connectivity, ensuring seamless operations and enhanced network efficiency.

With two integrated Gigabit Ethernet (GE) ports, modular expansion options, and Cisco’s advanced security features, the ISR 4321 is ideal for businesses looking to optimize WAN performance while maintaining high security standards.

Key Features:

High-Performance Routing – Dual-core 1 GHz processor for fast data processing
Secure Connectivity – Built-in security with Cisco IOS XE, VPN, and firewall capabilities
Flexible WAN Options – Supports Gigabit Ethernet, T1/E1, DSL, and 4G LTE connectivity
Advanced QoS & Traffic Management – Optimized for VoIP, video, and cloud applications
Modular Expansion – Supports interface modules, including WAN, LAN, and security enhancements
Dual Gigabit Ethernet Ports – High-speed network access for seamless connectivity
Software-Defined WAN (SD-WAN) Ready – Optimized for cloud-based networking
Energy Efficient & Compact Design – Low power consumption for cost-effective operations

Technical Specifications:

Model: Cisco ISR 4321 (ISR4321/K9)

Processor: Dual-core 1 GHz

Memory: 4GB DDR3 RAM (Upgradeable to 8GB)

Storage: 4GB Flash (Expandable up to 16GB)

Interfaces:

2 x Integrated Gigabit Ethernet WAN/LAN Ports

1 x NIM Slot for Network Interface Modules

1 x SM Slot for Service Modules

1 x ISR Module Slot for Expansion

Security Features: Cisco IOS XE, VPN, Firewall, IPS, Encrypted Traffic Analytics (ETA)

QoS Support: Traffic prioritization for VoIP, video, and cloud services

Power Consumption: Low-energy consumption, ideal for branch deployments

Form Factor: Rack-Mountable or Desktop Deployment

Operating Temperature: 0°C to 40°C (32°F to 104°F)

Compliance: Cisco Certified, RoHS, CE, FCC

Applications & Compatibility:

Ideal for Small & Medium-Sized Businesses (SMBs) and Branch Offices

Optimized for Secure WAN Connectivity, Cloud Networking, and SD-WAN

Supports Unified Communications, VoIP, and Video Conferencing

Compatible with Cisco Network Management Solutions