Cisco

Cisco ISR4431-VSEC-K9 | ISR 4431 VSEC | UC+Security licenses, PVDM4-64 DSP | SD-WAN Ready, LTE via NIM | 500 Mbps–1 Gbps throughput

Cisco ISR4431-VSEC-K9 | ISR 4431 VSEC | UC+Security licenses, PVDM4-64 DSP | SD-WAN Ready, LTE via NIM | 500 Mbps–1 Gbps throughput

SKU:ISR4431-VSEC-K9

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Description

High-performance branch router that converges voice services and advanced security. The VSEC bundle enables UC features with hardware DSP along with secure VPN/firewall, and IOS XE SD-WAN for transport-agnostic WAN fabrics. Modular expansion supports diverse WAN, voice, and optional LTE use cases.

Features

- Converged routing, UC, and security in one platform
- High-performance SD-WAN for scalable branch fabrics
- Hardware crypto acceleration for robust VPN performance
- PVDM4-64 DSP for enterprise voice workloads
- Flexible modularity with NIM/SM-X expansion

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 the bundle include CUBE sessions?
A: The VSEC bundle enables CUBE functionality; specific session counts may require additional CUBE licensing.

Q: Is it SD-WAN ready?
A: Yes. It supports IOS XE SD-WAN with appropriate software and controller onboarding.

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

Q: What throughput can I expect?
A: Approximately 500 Mbps base, up to about 1 Gbps with a Performance (Boost) license, subject to enabled features.

Q: What does the PVDM provide?
A: Hardware media resources for voice, including conferencing and transcoding.

Technical Specifications

- Platform: ISR 4431 (ISR 4000 Series)
- Bundle: VSEC (UC + Security) with PVDM4-64 DSP
- SD-WAN: Cisco IOS XE SD-WAN capable
- Performance: ~500 Mbps base throughput, up to ~1 Gbps with Performance (Boost)
- Voice/UC: SRST/CME/CUBE features enabled; DSP for conferencing/transcoding/media termination
- Security: Hardware-accelerated IPsec VPN and stateful firewall (SEC/K9)
- Modularity: NIM/SM-X slots for WAN diversity, voice interfaces, and services
- LTE: Optional via cellular NIM
- Management: IOS XE, CLI, NETCONF/RESTCONF, model-driven telemetry
- Scalability: Suitable for medium-to-large branches with rich service chaining

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