Cisco

Cisco ISR4351-VSEC-K9 | ISR 4351 VSEC | UC+Security licenses, PVDM4-64 DSP, CUBE-25 | SD-WAN Ready, LTE via NIM | 200–400 Mbps throughput

Cisco ISR4351-VSEC-K9 | ISR 4351 VSEC | UC+Security licenses, PVDM4-64 DSP, CUBE-25 | SD-WAN Ready, LTE via NIM | 200–400 Mbps throughput

SKU:ISR4351-VSEC-K9

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Description

Integrated services router for large branches combining UC voice features and security in a single platform. The VSEC bundle enables SRST/CME/CUBE services with hardware DSP and secure VPN/firewall, while IOS XE SD-WAN streamlines multi-WAN operations. Modular NIM/SM-X expansion supports WAN, voice, and optional LTE.

Features

- Converged voice, security, and routing in one chassis
- Built-in hardware DSP for enterprise UC workloads
- SD-WAN ready for simplified multi-WAN operations
- Hardware-accelerated crypto for high-performance VPN
- Modular design with flexible WAN and service options
- CUBE-25 included for SIP trunk interworking

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Does this bundle include CUBE sessions?
A: Yes. The VSEC bundle for the 4351 includes a CUBE-25 session license.

Q: Is the router SD-WAN ready out of the box?
A: It runs IOS XE and is SD-WAN capable; enable SD-WAN with the appropriate image and controller onboarding.

Q: Can I add LTE for backup WAN?
A: Yes. Add a compatible cellular NIM for 4G/LTE connectivity.

Q: What voice resources are included?
A: A PVDM4-64 DSP is included for conferencing, transcoding, and media termination.

Q: What is the maximum throughput?
A: Approx. 200 Mbps base, up to 400 Mbps with a Performance (Boost) license, depending on features enabled.

Technical Specifications

- Platform: ISR 4351 (ISR 4000 Series)
- Bundle: VSEC (UC + Security) with PVDM4-64 DSP and CUBE-25 session license
- SD-WAN: Cisco IOS XE SD-WAN capable
- Performance: 200 Mbps base throughput, up to 400 Mbps with Performance License (Boost)
- Voice/UC: SRST/CME/CUBE features enabled; DSP provides conferencing/transcoding/media resources
- Security: Hardware-accelerated IPsec VPN and stateful firewall (SEC/K9)
- Modularity: NIM/SM-X slots for WAN, voice, storage, and services
- LTE: Optional via cellular NIM
- Management: IOS XE, CLI, NETCONF/RESTCONF, model-driven telemetry
- High availability: Supports hot-swappable modules; field-upgradable performance licenses

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