Cisco router model Cisco ISR 4321
The Cisco ISR 4321 Router is designed for small to medium-sized businesses and branch offices that need secure, high-performance, and flexible connectivity. With integrated WAN, security, and voice features powered by Cisco IOS XE software, it provides reliable performance and scalability for modern network environments.
Cisco router model Cisco ISR 4321 – Key Specifications
| Feature | Description |
|---|---|
| Model | Cisco ISR 4321 |
| Type | Integrated Services Router |
| Performance | Up to 100 Mbps |
| WAN/LAN Interfaces | 2 × 10/100/1000 Mbps Gigabit Ethernet |
| Module Slots | 2 × NIM slots, 1 × SM slot |
| Memory | 4 GB DRAM, 4 GB Flash (expandable to 8 GB) |
| USB Ports | 1 × USB 2.0 Type-A, 1 × mini-USB console |
| Console Ports | RJ-45 serial console and auxiliary |
| Security | Integrated VPN, firewall, encryption |
| Voice Support | Optional voice and video services |
| Power Supply | Internal AC (100–240V, 50–60Hz) |
| Operating System | Cisco IOS XE |
| Form Factor | 1U Rack-mountable |
| Dimensions (H × W × D) | 44.45 × 368 × 294 mm |
| Weight | 4.4 kg |
| Warranty | Limited Lifetime Warranty |
