The Cisco ISR4321/K9 is a branch router supporting secure WAN connectivity, integrated services, and scalable performance for distributed enterprise networks
The Cisco ISR4321/K9 delivers reliable WAN, security, and application services for small to mid-sized branch offices. Built on Cisco’s IOS XE platform, it supports VPN, voice, routing, traffic shaping, and SD-WAN features. Dual-core processing ensures performance up to 100 Mbps scalable with performance licenses, making it ideal for branch connectivity, secure remote access, and cloud edge networking.
Technical Specifications
| Feature | Details |
|---|---|
| WAN Throughput | 50–100 Mbps (performance license scalable) |
| Interfaces | 2 × WAN/LAN GE + NIM/SM slots |
| OS | Cisco IOS XE |
| Security | Zone-Based Firewall, VPN, TrustSec |
| Services | Voice, SD-WAN, Routing |
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