CISCO ISR4321-V/K9

The Cisco ISR4321-V/K9 is an Integrated Services Router (ISR) designed for small to medium-sized businesses (SMBs) and branch offices, with a focus on voice and video capabilities. It’s part of the Cisco 4000 Series ISRs. Here’s a detailed description:  

Key Features:

• Voice and Video Optimized: This model is specifically designed with voice and video in mind. It includes a dedicated processor for enhanced voice and video quality (PVDM4 DSP), making it suitable for unified communications deployments.
• Performance: Offers a default throughput of 50 Mbps, which can be upgraded to 100 Mbps with a performance license. This provides enough bandwidth for most SMBs and branch offices.  
• Connectivity:
  • 2 Gigabit Ethernet WAN/LAN ports: Offers flexible connectivity options for WAN and LAN connections.  
  • 1 SFP port: Allows for fiber optic connections for increased bandwidth or longer distances.  
• Security:
  • Integrated security features: Includes a firewall, VPN, and intrusion prevention system (IPS) to protect your network from threats.  
  • Advanced security capabilities: Supports features like Cisco TrustSec for network segmentation and access control.  
• Expandability:
  • 2 Network Interface Module (NIM) slots: Allows for customization and expansion with various modules for different connectivity options (e.g., serial, T1/E1, DSL).
  • 1 Integrated Service Card (ISC) slot: Provides further expansion capabilities for services like voice and WAN optimization.  
• Management:
  • Cisco IOS XE software: Offers a rich set of features and capabilities, including advanced routing, security, and management tools.  
  • Easy to manage: Can be managed through a web interface, CLI, or SNMP.  

Benefits:

• Enhanced Voice and Video: The dedicated PVDM4 DSP ensures high-quality voice and video communication, which is crucial for modern businesses.  
• Secure and reliable connectivity: Provides a secure and reliable platform for connecting branch offices to the main network and the internet.
• Cost-effective: Offers a good balance of features and performance at a competitive price point.
• Scalability: Can be scaled to meet the growing needs of your business with modular expansion options.
• Unified communications: Supports voice services for integrated communication solutions.
• Simplified management: Easy to deploy and manage with Cisco IOS XE software and various management tools.

Use Cases:

• Small to medium-sized businesses: Ideal for SMBs looking for a secure and reliable network solution with integrated voice and video capabilities for their branch offices.  
• Branch offices: Suitable for connecting branch offices to the main network and providing secure internet access, with a focus on voice and video communication.
• Remote offices: Can be used to provide network connectivity for remote offices where voice and video are important.