Cisco router model Cisco ISR 4321

The Cisco ISR 4321 Router delivers secure, reliable, and high-performance connectivity for small to medium-sized businesses. With Gigabit Ethernet interfaces, advanced security features, and Cisco IOS XE software, it’s an ideal solution for branch offices seeking scalable and efficient network management.

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Cisco ISR 4321 Router – Key Specifications

Feature Description
Model Cisco ISR 4321
Type Integrated Services Router
Performance Up to 100 Mbps
Interfaces 2× Gigabit Ethernet WAN/LAN ports
Modules 2× NIM slots, 1× SM slot
Memory 4 GB DRAM, 4 GB Flash (expandable)
OS Cisco IOS XE
Security VPN, firewall, encryption
Voice Support Optional
Power Internal AC 100–240V
Size 1U Rack-mountable
Dimensions 44.5 × 368 × 294 mm
Weight 4.4 kg