The Cisco ISR 4321-AX/K9 is a powerful and versatile Integrated Services Router (ISR) designed for small to medium-sized businesses and branch offices. It combines routing, security, and application services into a single platform, offering a comprehensive solution for modern network needs. Here’s a detailed breakdown of its features and capabilities:
Key Features:
- Performance: Offers throughput from 50 Mbps to 100 Mbps, suitable for handling the demands of typical branch office traffic.
- Connectivity:
- 2 Gigabit Ethernet (GE) WAN/LAN ports for flexible connectivity options.
- 1 SFP (Small Form-Factor Pluggable) port for fiber or copper connections.
- 2 Network Interface Module (NIM) slots for customization with various modules like voice, DSL, or serial interfaces.
- Security: Integrated security features including firewall, VPN, and intrusion prevention to protect your network from threats.
- Application Optimization: Includes features like Application Experience (AppX) and Wide Area Application Services (WAAS) to improve application performance and user experience.
- Voice Support: Can be configured to support voice services with the addition of appropriate modules.
- Software-Defined WAN (SD-WAN) Ready: Supports Cisco SD-WAN solutions for simplified management and optimized WAN connectivity.
- Cisco IOS XE Software: Runs on Cisco IOS XE, a robust and feature-rich operating system that provides advanced networking capabilities, programmability, and security.
Benefits:
- All-in-one solution: Combines routing, security, and application services in a single device, reducing hardware costs and complexity.
- Scalability: NIM slots allow you to customize the router with additional interfaces and services as your needs grow.
- Security: Integrated security features help protect your network from threats.
- Application optimization: AppX and WAAS improve application performance and user experience.
- SD-WAN readiness: Supports Cisco SD-WAN solutions for simplified management and optimized WAN connectivity.
Technical Specifications (General):
- Throughput: 50-100 Mbps
- WAN/LAN Ports: 2 x GE
- SFP Ports: 1
- NIM Slots: 2
- Memory: 4GB DRAM (default), 8GB DRAM (maximum)
- Flash Memory: 4GB (default), 8GB (maximum)
- Dimensions: 1.75″ (1RU) x 14.5″ x 11.6″
- Weight: Approximately 9.19 kg
Use Cases:
- Branch Offices: Ideal for small to medium-sized branch offices requiring a comprehensive networking solution.
- Small Businesses: Suitable for small businesses that need a secure and reliable router with integrated services.
- Teleworkers: Can be used to provide secure remote access to corporate networks.
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