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Cisco ISR4351/K9 | Gigabit router, 3xGE, 3xNIM, 2xSM, SD-WAN ready, optional LTE, IP Base, 200 Mbps base / 400 Mbps boost

Cisco ISR4351/K9 | Gigabit router, 3xGE, 3xNIM, 2xSM, SD-WAN ready, optional LTE, IP Base, 200 Mbps base / 400 Mbps boost

SKU:ISR4351/K9

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Description

High-performance branch router with integrated 1G Ethernet, rich modularity, and SD-WAN readiness. Ideal for secure, application-aware WAN services with performance-on-demand licensing. Optional 4G LTE via NIM modules enables hybrid WAN resiliency.

Features

- SD-WAN ready for policy-based, application-aware routing
- Modular design with 3x NIM and 2x SM-X slots for flexible WAN/LAN/compute
- Performance-on-Demand licensing to scale throughput as needed
- Integrated security and VPN with hardware crypto acceleration
- NBAR2-based application visibility and control
- Optional LTE for resilient hybrid WAN

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: Is this router SD-WAN capable out of the box?
A: Yes, it supports Cisco SD-WAN with the appropriate IOS XE SD-WAN image and subscriptions for controllers.

Q: Can I add LTE for backup connectivity?
A: Yes, 4G LTE can be added using an appropriate LTE NIM module and SIM/service.

Q: What performance can I expect?
A: Typical aggregate services performance is ~200 Mbps on base and up to ~400 Mbps with the Performance license.

Q: Does it provide PoE on the onboard ports?
A: No, onboard routed ports are non-PoE. PoE can be added via an Ethernet switch module (SM/NIM) that supports PoE.

Q: Which licenses are included?
A: This configuration is IP Base. Additional features (e.g., security, app experience) may require add-on licenses.

Technical Specifications

- Platform: ISR 4000 Series (4351)
- Onboard interfaces: 3x 10/100/1000 Ethernet
- Module expansion: 3x NIM slots, 2x SM-X slots
- Memory: 4 GB DRAM, 4 GB flash
- Licensing: IP Base (IPB), Performance-On-Demand boost
- SD-WAN: Supported with Cisco SD-WAN (IOS XE SD-WAN)
- WAN options via NIMs: Ethernet, T1/E1, Serial, xDSL, 4G LTE
- Routing performance: ~200 Mbps base, up to ~400 Mbps with Performance license
- Security: Zone-based firewall, IPsec VPN, trustsec, AVC (license dependent)
- App visibility: NBAR2 application recognition
- Encryption: Hardware-accelerated crypto (HSEC license may be required for full throughput)

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