Brand: Cisco · SKU: C1-CISCO4451/K9 · MPN: C1-CISCO4451/K9 · Category: Networking
The C1-CISCO4451/K9 is the Cisco ISR4451-X/K9 equipped with Cisco ONE Software. It is a high-performance modular enterprise router engineered for robust integrated services and secure connectivity. It belongs to the Cisco 4000 series Integrated Services Routers (ISR) platform, which offers a converged branch platform with industry-leading network, compute, and WAN services, supporting seamless extension of cloud services and accelerating business digitization. It delivers 1 Gbps to 2Gbps aggregate throughput and is designed to support the transition to a hybrid WAN architecture. With Cisco ONE, it supports virtual network functions (VNFs) and delivers up to 2 Gbps of throughput for routing and security services, optimized by application-aware hardware acceleration. It features flexible power options, advanced WAN/LAN interfaces, built-in VPN capabilities, and modular expansion slots for services like voice, video, and WAN optimization.
| NIM Slots | 3 |
|---|---|
| Model Name | ISR4451-X |
| Rack Height | 2 RU |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN |
| Flash Memory | 8 GB (default) / 32 GB (maximum) |
| Power Options | Internal: AC, DC (roadmap) and PoE |
| SFP-based Ports | 4 |
| Onboard ISC Slot | 1 |
| Firewall Features | Yes |
| RJ-45-based Ports | 4 |
| Aggregate Throughput | 1 Gbps to 2Gbps |
| DDRM (data plane) Memory | 2 GB (default) / 2 GB (maximum) |
| Onboard WAN/LAN Ports (10/100/1000) | 4 |
| DDRM (control/services plane) Memory | 4 GB (default) / 16 GB (maximum) |
| Enhanced Service-Module (SM-X) Slots | 2 |
| Warranty | 90-day warranty (Manufacturer); 1 Year Guarantee (Some third-party sellers) |
| Weight | 28.88 lbs |
| Dimensions | 17.2 in (W) x 18.5 in (D) x 3.5 in (H) [or 438.15 x 469.9 x 88.9 mm] |
The C1-CISCO4451/K9 is a Cisco 4451 Integrated Services Router featuring Cisco ONE Software. It is a modular, high-performance platform designed for modern enterprise branch offices, offering up to 2 Gbps aggregate throughput for routing and security services. It supports modular expansion via 3 NIM slots and 2 SM-X slots, along with 4 onboard Gigabit Ethernet ports (RJ-45) and 4 SFP ports. Key features include integrated services like voice, video, and WAN optimization, built-in VPN capabilities, and support for Cisco SD-WAN and virtual network functions (VNFs).
NOC Managers
Edge Compute Deployments
"The C1-CISCO4451/K9 is built for the professional requirements of Edge Compute Deployments. It supports management features essential for NOC Managers overseeing enterprise fabrics."
Yes, this Cisco ONE ISR 4451-X Router (C1-CISCO4451/K9) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco ONE ISR 4451-X Router includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the C1-CISCO4451/K9.