• Cisco NCS-55A1-24Q6-SYS fixed router with Catalyst 3850 switch
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Cisco

Cisco NCS-55A1-24Q6-SYS | 24x 1/10/25G (SFP/SFP28) + 6x 100G (QSFP28) fixed router | IOS XR | MPLS/EVPN, SR-MPLS/SRv6 | Smart Licensing (Flexible Consumption)

NCS-55A1-24Q6-SYS

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Description

High-density fixed router with 24 SFP/SFP28 ports for 1/10/25G access and 6 QSFP28 100G uplinks, built on carrier-grade IOS XR for scalable edge/aggregation. Delivers line-rate performance with advanced routing, QoS, and robust telemetry for service-provider and large enterprise cores.

Features

- High-density 10/25G access with 100G uplinks
- Carrier-grade IOS XR with SR-MPLS/SRv6 and EVPN
- Model-driven programmability and real-time telemetry
- Advanced QoS and traffic engineering
- Redundancy options for high availability
- Flexible Consumption via Smart Licensing

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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Technical Specifications

FAQs

Technical Specifications

- Port configuration: 24 x 1/10/25G SFP/SFP28 + 6 x 100G QSFP28
- QSFP28 uplinks: 100G; 40G support and 4x25G breakout where supported
- Operating system: Cisco IOS XR (model-driven)
- Routing features: IPv4/IPv6, MPLS, Segment Routing (SR-MPLS/SRv6), EVPN
- Timing: SyncE and PTP (IEEE 1588v2) support
- Telemetry: model-driven streaming telemetry (gNMI/YANG)
- Management: CLI, NETCONF/RESTCONF, gRPC/gNMI, SNMP
- Hardware: fixed-configuration system with redundant hot-swappable fans/PSUs (model dependent)
- Performance: line-rate forwarding on all ports
- Licensing: Cisco Smart Licensing; Flexible Consumption eligible
- Security: control-plane policing, ACLs; MACsec not included on this variant
- QoS: hierarchical QoS with traffic shaping and policing
- Form factor: compact rack-mount chassis

FAQs

Q: Does this model include MACsec?
A: No. This variant does not include MACsec; choose a MACsec-capable model if link-layer encryption is required.

Q: Which optics are supported on the ports?
A: SFP/SFP+/SFP28 for 1/10/25G and QSFP28 for 100G; check the official transceiver compatibility matrix for exact part support.

Q: Is Smart Licensing required?
A: Yes. This system uses Cisco Smart Licensing and supports Flexible Consumption.

Q: Can QSFP28 ports be broken out to 4x25G?
A: Yes, where hardware/software and optics support breakout, QSFP28 ports can provide 4x25G.

Q: Is this a SD-WAN or LTE router?
A: It is a service-provider/aggregation router running IOS XR; it is not a CPE SD-WAN or LTE platform.

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