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Cisco

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

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

ISR4451-X-AX/K9

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Description

High-performance enterprise branch router delivering up to 1 Gbps services throughput (expandable to 2 Gbps with a Performance License). Flexible services architecture with three NIM and two SM-X slots supports WAN diversity, LTE modules, and edge services. The AX bundle enables Application Experience and Security features for deep traffic visibility, optimization, next-gen firewall, and VPN. SD-WAN-ready on IOS XE for centralized policy, multi-transport, and secure cloud onramp. Ideal for medium-to-large branches consolidating routing, security, and application services.

Features

- SD-WAN-ready architecture for scalable, cloud-managed WAN
- AX bundle enables application visibility/optimization and advanced security
- Flexible expansion with 3x NIM and 2x SM-X slots
- 1 Gbps base performance, upgradeable to 2 Gbps
- LTE-ready via modular NIM for WAN diversity and failover
- Hardware-accelerated VPN and next-gen firewall

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 IOS XE SD-WAN; deploy the SD-WAN image and controller-based configuration.

Q: Does it include LTE connectivity?
A: LTE requires an optional LTE NIM; the chassis is LTE-ready.

Q: Can throughput be increased beyond 1 Gbps?
A: Yes, a Performance (Boost) license increases services throughput up to 2 Gbps.

Q: Are voice DSPs included?
A: No DSPs are included in the AX bundle; it supports PVDM4 modules if needed.

Q: What licenses are active in the AX bundle?
A: AppX and Security are enabled, providing application visibility/optimization and advanced security features.

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 (LTE-ready)
- 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
- Security features (bundle): AppX + Security licenses (AVC, WAAS/optimization, ZBFW, VPN)
- Voice readiness: PVDM4 support (DSPs optional, not included in this bundle)
- Form factor: 2RU, rack-mountable
- Power: Dual redundant PSU capable (optional)
- Encryption: Hardware-accelerated IPsec
- Management: CLI, NETCONF/RESTCONF, SNMP; USB/ROMMON recovery

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