• Cisco N9K-X9636C-RX 36-port 100GbE QSFP28 line card for Nexus 9500R
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Cisco

Cisco N9K-X9636C-RX | 36-Port 100G QSFP28 Line Card, TCAM, Nexus 9500R

N9K-X9636C-RX

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Description

The Cisco N9K-X9636C-RX is a high-density buffer-optimized line card designed for the Nexus 9500R Series modular switches, delivering 36 ports of 100 Gigabit Ethernet connectivity via QSFP28 interfaces with integrated TCAM for enhanced performance. Engineered for hyperscale data centres and high-frequency trading environments, this line card provides up to 3.6 Tbps per slot throughput with sub-microsecond latency. Ideal for spine-leaf fabrics, VXLAN/EVPN overlays, and mission-critical applications requiring wire-speed forwarding and large routing tables.

Features

36x QSFP28 ports supporting 40/100 Gigabit Ethernet with breakout capability
- Integrated TCAM for wire-speed ACL, QoS, and route lookup acceleration
- Buffer-optimized architecture with deep packet buffers to handle traffic bursts
- Line-rate throughput of 3.6 Tbps per slot with deterministic sub-microsecond latency
- Hardware-accelerated VXLAN routing and EVPN multi-site for overlay networks
- Support for BGP, OSPF, IS-IS, MPLS, and segment routing protocols
- Cisco ACI integration for policy-based automation and microsegmentation
- Hot-swappable design for zero-downtime maintenance and upgrades
- NEBS Level 3 compliance for carrier-grade reliability
- Advanced telemetry and streaming analytics for real-time network visibility
- Port security, ACLs, and network segmentation for enhanced security
- Compatible with Nexus 9500 R-Series Clos fabric architecture for scalable data centre designs

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: 36x 100 Gigabit Ethernet QSFP28 ports
- Supported Speeds: 40GbE and 100GbE per port
- Throughput: Up to 3.6 Tbps per slot, line-rate full-duplex
- TCAM: Integrated Ternary Content-Addressable Memory for hardware-accelerated ACLs, QoS, and route lookups
- Buffer Optimization: Large packet buffers for burst absorption and congestion management
- Compatibility: Cisco Nexus 9500 R-Series modular chassis (requires NX-OS 7.0(11) or later)
- Aggregate System Bandwidth: Up to 28.8 Tbps in fully populated 8-slot Nexus 9600 chassis
- Power Consumption: Maximum 400W per line card
- Airflow: Front-to-back cooling required
- Weight: Approximately 15.90 lb (7.2 kg)
- Hot-Swappable: Yes, for maintenance without network disruption
- Environmental: NEBS Level 3 compliant, 0°C to 40°C operating temperature, 5%-85% non-condensing humidity
- Compliance: RoHS-6 certified

FAQs

Q: Which chassis models support the N9K-X9636C-RX?
A: The N9K-X9636C-RX is compatible exclusively with Cisco Nexus 9500 R-Series modular chassis, including the Nexus 9600 series. It requires NX-OS version 7.0(11) or later and integrates seamlessly with fabric modules for Clos architecture deployments.

Q: What is the difference between the N9K-X9636C-R and N9K-X9636C-RX?
A: The N9K-X9636C-RX includes integrated TCAM (Ternary Content-Addressable Memory) for hardware-accelerated policy enforcement, ACLs, and route lookups, making it ideal for environments requiring granular traffic management and large routing tables. The N9K-X9636C-R is the base buffer-optimised model without TCAM.

Q: What routing and overlay protocols does this line card support?
A: The N9K-X9636C-RX supports BGP, OSPF, IS-IS, EVPN/VXLAN, MPLS, and segment routing with hardware-accelerated TCAM processing. It is optimised for multi-tenant cloud, Cisco ACI integration, EVPN multi-site, and telemetry-driven network automation.

Q: Can the line card be hot-swapped during operation?
A: Yes, the N9K-X9636C-RX is hot-swappable, allowing for maintenance, upgrades, or replacement without disrupting network traffic. The Nexus 9600 chassis provides redundant power supplies and cooling to support uninterrupted operation.

Q: What optics and cables are compatible with the QSFP28 ports?
A: The QSFP28 ports support a full range of Cisco-compatible optics including SR, LR, and PAM4 modules, as well as direct-attach copper (DAC) cables and breakout cables for flexible 4x25G or 4x10G connectivity options.

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