Cisco ISR 4321 (2GE,2NIM,4G FLASH,4G DRAM,IPB)

The Cisco ISR 4321 is a member of the Cisco Integrated Services Router (ISR) 4000 series. It’s a versatile and powerful router designed for various networking needs. Here are the key specifications for the Cisco ISR 4321 router:

1. Ports: 2 Gigabit Ethernet (GE) Ports – Provides connectivity for network devices at Gigabit speeds, allowing data transfer at up to 1000 Mbps.
2. NIM Slots: 2 Network Interface Module (NIM) Slots – NIM slots allow you to expand the router’s connectivity by adding modules such as additional Ethernet ports, voice interfaces, or other network interfaces.
3. Memory: 4GB Flash and 4GB DRAM – The router has 4GB of flash memory for storage purposes and 4GB of dynamic random-access memory (DRAM) for operational memory, which impacts the router’s ability to process and manage network traffic.
4. IP Base (IPB) Image: The “IP Base” image refers to the software image loaded on the router, providing essential features for IP routing, security, and basic WAN connectivity.
5. ISR 4000 Series: The Cisco ISR 4321 is part of the ISR 4000 series, which is designed for providing secure, scalable, and flexible networking solutions for various business environments.
6. Form Factor: Rack-Mountable – The router is designed to be installed in a standard networking equipment rack.
7. Performance: The ISR 4321 offers medium-to-high performance for various networking tasks and supports multiple services without a significant performance impact.
8. WAN Connectivity: The router is designed to handle WAN (Wide Area Network) connectivity, including advanced features like VPN (Virtual Private Network) connectivity for secure remote access.
9. Voice Support: The NIM slots and the router’s capabilities make it suitable for voice services, such as VoIP (Voice over IP) implementations.
10. Security Features: The router likely includes security features for protecting network traffic, such as firewall capabilities and IPsec VPN functionality.