• Cisco NC55-36X100G-BM 36-port 100GbE QSFP28 switch in silver rack
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Cisco

Cisco NC55-36X100G-BM | 36x 100GbE QSFP28 | MACsec | Base mode | 3.6 Tbps line-rate | 40G/4x25G breakout

NC55-36X100G-BM

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Description

High-density 36-port 100GbE QSFP28 line card with hardware MACsec for secure, scalable service provider and data center edge deployments. Delivers 3.6 Tbps of line-rate throughput with model-driven telemetry, advanced QoS, and rich routing features under IOS XR. Supports QSFP28 100G plus 40G and 4x25G breakout on supported optics for flexible fan-out. Designed for NCS 5500 modular chassis backplanes with consistent feature parity across the family.

Features

- 36 x 100G ports in QSFP28 for maximum slot density
- Integrated MACsec for secure links without external encryption devices
- 3.6 Tbps line-rate performance for scale-out SP and DC edge
- Flexible fan-out with 40G and 4x25G breakout on supported optics
- Rich IOS XR feature set: SR, MPLS, EVPN, advanced QoS and telemetry
- Standards-based operation with broad optic interoperability

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 density: 36 x 100 Gigabit Ethernet
- Port form factor: QSFP28
- Supported port speeds: 100G; 40G with QSFP+ optics; 4x25G breakout (on supported optics/cables)
- Encryption: Hardware MACsec (IEEE 802.1AE)
- Throughput: 3.6 Tbps line-rate forwarding
- Operating system: IOS XR (feature support per release)
- Routing features: IPv4/IPv6, MPLS, Segment Routing, EVPN
- Telemetry: Model-driven/streaming telemetry
- QoS: Hierarchical QoS with per-port scheduling and policing
- Buffers/queues: Standard buffer profile for mixed SP/DC use cases
- Chassis compatibility: NCS 5500 modular chassis (e.g., NCS 5508, NCS 5516)
- Optics compatibility: QSFP28 100G optics and DAC/AOC; QSFP+ for 40G

FAQs

Q: Which chassis is this line card compatible with?
A: It is designed for NCS 5500 modular chassis (such as NCS 5508 and NCS 5516). Verify specific software and hardware compatibility in the relevant IOS XR release notes.

Q: Does it support 40G and 25G breakout?
A: Yes. Ports support 100G, 40G (with appropriate QSFP+ optics), and 4x25G breakout on supported QSFP28 optics or DAC/AOC cables.

Q: Is MACsec available on all ports?
A: Yes, hardware MACsec is available per port, subject to software release and license/feature activation.

Q: Are optics included?
A: No. Transceivers and cables are sold separately.

Q: What is the difference between Base and Scale variants?
A: Base targets standard FIB/ACL scale, while Scale variants provide expanded FIB/ACL resources for very large route tables. Datacenter variants add deeper buffers.

Q: Can I mix this with other line cards in the same chassis?
A: Yes, provided the chassis and fabric are compatible and the IOS XR release supports the mixed configuration.

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