Brand: Cisco · SKU: C1-CISCO4431/K9 · MPN: C1-CISCO4431/K9 · Category: Networking
The C1-CISCO4431/K9 is a Cisco ONE Software Bundle version of the Cisco 4431 Integrated Services Router. It is a high-performance, modular router designed for enterprise and branch deployments, offering an integrated architecture for advanced VPN features, robust throughput, and enhanced performance. It supports 3 Network Interface Module (NIM) slots and delivers 500 Mbps to 1 Gbps aggregate throughput. It supports two kinds of DDRM (data plane and control/services plane) for easier management. The specific bundle description is: Cisco ONE ISR 4431 (4GE.3NIM.8G FLASH.4G DRAM.IPB).
| NIM Slots | 3 |
|---|---|
| Management | SSH / Telnet / SNMP |
| Form Factor | 1U Rack-Mountable |
| VPN Support | IPSec / SSL VPN / DMVPN / FlexVPN |
| Data Plane DRAM | 4 GB (Default/Maximum mentioned for C1-CISCO4431/K9); 2GB (Default/Maximum for base ISR4431/K9) |
| Onboard ISC Slot | 1 |
| Onboard SFP Ports | 4 |
| Product Description | Cisco ONE ISR 4431 (4GE.3NIM.8G FLASH.4G DRAM.IPB) |
| Aggregate Throughput | 500Mbps to 1Gbps |
| Default Flash Memory | 8 GB |
| Maximum Flash Memory | 32 GB |
| Onboard GE Ports (RJ45) | 4 |
| Control/Services Plane DDRM | 4 GB (Default) / 16 GB (Maximum for ISR4431-SEC/K9, likely applicable) |
| Warranty | Limited lifetime warranty (consult Cisco's warranty policy for full details) |
| Weight | 20.88 Kg (for ISR4431-SEC/K9, similar model) |
| Dimensions | 43.9 x 438.15 x 507.2 mm (H x W x D for ISR4431-SEC/K9, similar model); Height 1.7 in; Width 17.2 in; Depth 20 in (other source) |
The C1-CISCO4431/K9 is a Cisco ONE software bundle version of the 4431 Integrated Services Router, a modular platform ideal for medium to large branch offices. It offers 500 Mbps to 1 Gbps aggregate throughput and supports flexible customization via 3 NIM slots. It includes built-in firewall features, high availability support, and is suitable for demanding use cases like SD-WAN gateways and secure remote access.
Network Security Admins
Leaf-Spine Data Center Fabrics
"Network Security Admins should consider the C1-CISCO4431/K9 for Leaf-Spine Data Center Fabrics where consistent throughput and robust connectivity are mandatory."
Yes, this Cisco ONE ISR 4431 Router (C1-CISCO4431/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 4431 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-CISCO4431/K9.