High-Density 100G/40G Ports & Carrier-Grade Reliability Cisco Router NCS-55A1-24H-B
The Cisco NCS-55A1-24H-B is a high-performance, scalable router designed for service providers and enterprise networks requiring ultra-high bandwidth, low latency, and carrier-grade reliability. Part of Cisco’s NCS 5500 Series, this 2RU chassis router delivers 24x 100G/40G QSFP28 ports, enabling flexible deployment for 5G backhaul, cloud edge, and IP/MPLS core networks.
Key Features & Benefits
✔ High-Density 100G/40G Ports – Supports 24x QSFP28 interfaces, configurable as 100G, 40G, or breakout to 4x 25G/10G for granular bandwidth allocation.
✔ Carrier-Grade Reliability – Features redundant power supplies (1+1), hot-swappable fans, and NSF/SSO for zero-service disruption during failovers.
✔ Advanced Routing & SDN Support – Runs Cisco IOS XR, enabling Segment Routing, MPLS, EVPN/VXLAN, and model-driven programmability for automation.
✔ Energy-Efficient & Scalable – Optimized for low power consumption while supporting future 400G upgrades.
Technical Specifications (NCS-55A1-24H-B)
| Parameter |
Specification |
| Ports |
24x QSFP28 (100G/40G) |
| Breakout Support |
4x 25G or 10G per port |
| Forwarding Capacity |
Up to 2.4 Tbps |
| Power Supply |
Dual, Hot-Swappable (AC/DC) |
| Dimensions |
2RU (3.5” H x 17.3” W x 21.5” D) |
| OS |
Cisco IOS XR (Modular, SDN-Ready) |
| Key Protocols |
BGP, OSPF, MPLS, SR, EVPN, IPv6 |
Ideal Use Cases
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5G Mobile Backhaul (IP RAN) – Low-latency, high-throughput transport.
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Cloud & Data Center Interconnect (DCI) – EVPN/VXLAN support for scalable cloud networks.
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Enterprise WAN Aggregation – Combines high port density with advanced QoS/security.
Why Choose Cisco NCS-55A1-24H-B?
Cisco’s Silicon One architecture ensures wire-speed performance, while IOS XR provides automation and telemetry for modernized operations. With flexible licensing and SDN integration, this router is built for future-ready networks.
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High-Density 100G/40G Ports & Carrier-Grade Reliability Cisco Router NCS-55A1-24H-B Images
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