Cisco ISR4451-X-V/K9 Enterprise Voice & Security Router | ISR 4000 Series | Modular WAN Router | 2 Gbps Throughput | VoIP Ready | Rackmount Router
- Cisco ISR 4000 Series enterprise branch router
- Voice, video, and security (V/K9 voice bundle)
- Aggregate throughput: 1–2 Gbps
- 4 × onboard Gigabit Ethernet (RJ-45) ports
- 4 × SFP Gigabit Ethernet ports
- Modular architecture with service module (SM-X) slots
- Supports voice services (VoIP, CUBE, SIP integration)
- High-performance multicore CPU architecture
- Cisco IOS XE operating system
- Advanced WAN routing and traffic optimization
- Redundant power supply support (optional dual PSU design)
- Enterprise-grade scalability for branch networks
- SKU: ISR4451-X-V/K9
- Categories: Cisco Routers
Ideal Use Cases
- Enterprise WAN edge routing
- Branch office connectivity
- VoIP / unified communications (CUBE, SIP trunks)
- Secure VPN gateway
- ISP customer edge (CE router)
- Multi-service enterprise networks
Security Features
- IPsec VPN (site-to-site and remote access)
- SSL VPN support
- Zone-based firewall (ZBFW)
- Access Control Lists (ACLs)
- Dynamic Multipoint VPN (DMVPN)
- Control-plane protection
- Secure management via SSH, SNMPv3, HTTPS
- Identity-based access control
- Encrypted WAN traffic handling
| Model | ISR4451-X-V/K9 |
|---|---|
| Series | Cisco ISR 4000 |
| Type | Enterprise Voice & Security Router |
| Throughput | 1–2 Gbps |
| Ethernet Ports | 4 × RJ-45 + 4 × SFP |
| Service Slots | 2 × SM-X slots |
| NIM Slots | 3 |
| USB Ports | Yes |
| Flash Memory | 8 GB (expandable up to 32 GB) |
| RAM | Multi-plane architecture (control + data separation) |
| Operating System | Cisco IOS XE |
| Form Factor | 2U Rackmount |
| Dimensions | 88.9 × 438.15 × 469.9 mm |
| Weight | ~13.1 kg (≈ 28.8 lbs) |
| Power Supply | Internal AC power supply (dual PSU supported depending on configuration) |
• Next-day delivery available across the UAE (excluding public holidays)
• Shipping charges are included within the UAE
• Orders are processed and dispatched promptly to ensure fast delivery
• Delivery timelines may vary during public holidays or unforeseen circumstances
• Customers may return products within 7 days of purchase
• A 5% deduction will apply to all approved returns
• Returned items must be in their original condition and packaging
• After the initial 7-day return period, refunds are not available
• Within 30 days of purchase, customers are eligible for a replacement only
• Replacements are subject to the availability of equivalent items currently in stock
• If the same item is unavailable, a suitable alternative of similar item may be offered.
The Cisco ISR4451-X-V/K9 is a high-performance enterprise branch router from the Cisco ISR 4000 Series. Designed for voice, video, and secure WAN connectivity, it supports modular service integration, advanced security features, and scalable performance for enterprise and service provider networks.
No product-specific FAQs. See the FAQ page for general answers.
• Fully tested by experienced IT professionals
• Hardware diagnostics and functionality checks completed before delivery
• Guaranteed working condition upon delivery
• Reliable, scalable, and enterprise-ready performance
