• Cisco ISR4451-X-SEC/K9 black router with silver accents and vents
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Cisco

Cisco ISR4451-X-SEC/K9 | SD-WAN capable, LTE-ready | 2x GE, 3x NIM, 2x SM-X | 1 Gbps base, up to 2 Gbps Boost | SEC bundle: Security license

ISR4451-X-SEC/K9

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Description

Enterprise branch router built for secure, scalable WAN with SD-WAN support and modular expansion. The SEC bundle activates advanced security features including next-gen firewall and VPN, while three NIM and two SM-X slots provide flexibility for WAN diversity, LTE modules, and service expansion. Delivers up to 1 Gbps services throughput (up to 2 Gbps with a Performance License), ideal for branches that prioritize robust security and SD-WAN with room to grow.

Features

- Security-focused bundle with next-gen firewall and VPN features
- SD-WAN-ready for centralized policy and transport independence
- Modular design with 3x NIM and 2x SM-X for WAN and service expansion
- 1 Gbps base performance, upgradeable to 2 Gbps
- LTE-ready for resilient WAN using cellular failover

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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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

- Platform: ISR 4451-X running Cisco IOS XE
- SD-WAN: Supported (IOS XE SD-WAN capable)
- LTE: Supported via optional LTE NIM modules
- Integrated interfaces: 2x 10/100/1000 GE ports + dedicated management port
- Module expansion: 3x NIM slots, 2x SM-X slots
- Services performance: 1 Gbps base; up to 2 Gbps with Performance (Boost) license
- SEC bundle license: Security features enabled (ZBFW, IPsec VPN, AMP/IPS options via subscriptions)
- Voice readiness: PVDM4 support (DSPs optional, not included)
- Form factor: 2RU, rack-mountable
- Power: Dual redundant PSU capable (optional)
- Management and automation: NETCONF/RESTCONF, model-driven telemetry

FAQs

Q: What does the SEC bundle enable?
A: Advanced security features including zone-based firewall and VPN; additional security services may require subscriptions.

Q: Is this router SD-WAN capable?
A: Yes, it supports IOS XE SD-WAN with controller-based management.

Q: Does it include LTE out of the box?
A: No; LTE requires an optional NIM LTE module.

Q: How can I increase throughput?
A: Add a Performance (Boost) license to increase services throughput up to 2 Gbps.

Datasheet

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Manual

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