Product Type | Core Router |
Form Factor | Rack-mountable - 1U |
Processor | 1.6 GHz |
RAM | 32 GB |
Internal Storage | 128 GB |
Power Configuration | Dual internal power supply (redundant) |
Power Consumption (Operational) | 800 Watt |
Throughput Capacity | 1.8 Tbps |
Route Scale | Up to 2M FIB entries |
Supported OS | Cisco IOS XR 6.3.1 |
Jumbo Frame Support | 9216 bytes |
Warranty | 1-year hardware warranty with 10-day advanced replacement |
Cisco NCS55A1 Fixed 24x100G Chassis Bundle Router



Key Benefits

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- Delivers exceptional performance with 1.8 Tbps throughput for scalable enterprise and carrier networks
- Compact 1U design with 24x100GbE ports maximizes port density and rack space efficiency
- Advanced automation, routing, and encryption features with support for ZTP, Segment Routing TE, and MACsec enhance network agility and security
Product Overview
The Cisco NCS55A1 Fixed 24x100G Chassis Bundle is engineered for high-capacity networks, featuring 24 QSFP+ 100GbE ports and up to 1.8 Tbps throughput in a 1U rack-mountable chassis. It supports advanced networking protocols such as BGP, OSPF, IS-IS, and MPLS, enabling flexible, scalable routing architectures. With robust security (MACsec, AES encryption) and automated provisioning (ZTP), it ensures secure, low-overhead deployment. Its dual power supply, redundant fan trays, and wide operating tolerances make it ideal for critical service provider environments. Software support via Cisco IOS XR 6.3.1 and comprehensive feature licensing add operational flexibility for evolving workloads and traffic demands.
Specifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
Country of Origin | China / United States |
TAA Compliance | Yes |
Certifications | UL 60950-1, EN 60950-1, IEC 60950-1, RoHS 6/6 |
EMC Standards | FCC Part 15, CISPR 22 Class A, VCCI Class A, EN 55022 Class A, ICES-003 Class A |
EMI/EMC Compliance | EN 300 386, KN 61000-4, CISPR 24, EN55024 |
Advanced Security Features
Encryption | AES (MACsec support) |
Authentication Mechanisms | TACACS+, AAA |
Access Control | Access Control List (ACL) support |
Security Protocol Compliance | IEEE 802.1ae (MACsec) |
Monitoring & Detection | Bidirectional Forwarding Detection (BFD) |
Interfaces
Number of 100GbE Ports | 24 x 100Gb Ethernet (QSFP+) |
Management Ports | 1 x RJ-45 management, 1 x RJ-45 console |
USB Ports | 1 x USB type A |
LAN Interface Type | QSFP+ |
Connectivity Technology | Wired |
Data Link Protocols | 100 Gigabit Ethernet |
Physical & Environmental
Width | 17.3 in (439.4 mm) |
Depth | 21.7 in (551.2 mm) |
Height | 1.7 in (43.2 mm) |
Weight | 0.38 oz |
Minimum Operating Temperature | 32 °F (0 °C) |
Maximum Operating Temperature | 104 °F (40 °C) |
Operating Humidity Range | 5% - 95% (non-condensing) |
Cooling Components | 3 fan trays (redundant) |
Cloud Management & Licensing
Management Protocols | SNMP v3, SSH |
Zero-touch Provisioning (ZTP) | Supported |
Cloud Features | Segment Routing Traffic Engineering (SR-TE) |
Licensing Included | MPLS LSR License, 24x100G Right To Use License |
Remote Configuration | Supported via Cisco IOS XR |