• Cisco N9K-C9336C-FX2 36-port 40/100G QSFP28 switch with L3 license
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Cisco

Cisco N9K-C9336C-FX2 | Nexus 9300-FX2 36-Port 40/100G QSFP28 Switch, 7.2 Tbps, Layer 3

N9K-C9336C-FX2

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Description

The Cisco Nexus 9336C-FX2 is a high-performance 1RU data centre switch designed for modern spine-leaf and cloud-scale deployments. With 36 flexible QSFP28 ports supporting 1/10/25/40/50/100 Gbps speeds and full breakout capability, it delivers 7.2 Tbps of non-blocking bandwidth and over 2.4 billion packets per second. Built on Cisco Cloud Scale ASIC technology, the switch features wire-rate MACsec encryption, VXLAN EVPN support, intelligent buffer management, and sub-microsecond latency for demanding enterprise and hyperscale environments.

Features

Cisco Cloud Scale ASIC technology for high-performance packet processing
- Layer 2 and Layer 3 switching with flexible TCAM for custom ACL templates
- Wire-rate MACsec (IEEE 802.1ae) encryption on all ports at 1 Gbps and above
- VXLAN EVPN fabric support with hierarchical multi-site capability
- Virtual PortChannel (vPC) technology for redundancy and load balancing
- Intelligent buffer management with Approximate Fair Dropping (AFD) and Elephant Trap (ETRAP)
- Sub-microsecond latency for predictable application performance
- Advanced routing protocols: BGP, OSPF, EIGRP, HSRP, PIM-SM, RIP, MPLS
- Segment routing for traffic engineering without RSVP-TE
- Flexible forwarding tables supporting up to 1 million shared entries
- Support for up to 16,000 VRF instances and 3,967 VLANs
- ASIC-level real-time telemetry with microsecond granularity
- Power On Auto Provisioning (POAP) for zero-touch deployment
- Hot-swappable redundant power supplies and fan modules
- Spanning Tree Protocol (STP), Multiple Spanning Tree (MSTP), and Rapid PVST+
- Access Control Lists (ACLs): 5,000 ingress, 2,000 egress entries
- IGMP snooping support for 32,000 groups
- Support for 512 port channels with up to 32 links per channel
- ECMP with up to 64 paths for load distribution
- Comprehensive management via CLI, NX-OS, Python API, RESTCONF, NETCONF, and Cisco DCNM

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

36 x 40/100 Gigabit QSFP28 ports with flexible speed support (1/10/25/40/50/100 Gbps)
- Switching capacity: 7.2 Tbps full-duplex bandwidth
- Forwarding rate: Over 2.4 billion packets per second (Bpps)
- Breakout supported on all ports: 100G native, 2x50G, 4x25G, 4x10G (with QSA), 1G (with QSA on ports 7-32)
- System memory: 24 GB RAM
- Storage: 128 GB SSD
- System buffer: 40 MB intelligent shared buffer
- Layer 3 managed switch with advanced routing and switching features
- CPU: 4-core processor
- Management interfaces: 1 x RJ-45 console, 1 x RJ-45 out-of-band management, 1 x SFP management, 1 x USB
- Power supplies: Dual redundant hot-swappable (750W AC or 1100W AC/DC options)
- Power consumption (operational): 367W typical, 777W maximum
- Form factor: 1RU rack-mountable
- Dimensions (W x D x H): 43.9 cm x 62.3 cm x 4.4 cm
- Weight: 8.5 kg
- Airflow options: Port-side intake (burgundy) or port-side exhaust (blue)
- Fan modules: 2 x hot-swappable redundant fans

FAQs

Q: What deployment scenarios is the Nexus 9336C-FX2 best suited for?
A: The N9K-C9336C-FX2 is ideal for data centre spine-leaf architectures, high-density 100G aggregation layers, cloud-scale deployments, and enterprise core/distribution networks requiring ultra-low latency and high throughput. It excels in AI/ML, big data analytics, and hyperscale environments with east-west traffic demands.

Q: Does this switch support Cisco ACI and VXLAN EVPN?
A: Yes, the Nexus 9336C-FX2 is fully compatible with Cisco Application Centric Infrastructure (ACI) and supports VXLAN EVPN fabrics with MP-BGP control plane, enabling automated policy-based networking and multi-tenant overlay networks in modern data centres.

Q: What is the difference between port-side intake and port-side exhaust airflow?
A: Port-side intake (burgundy) draws air from the front and exhausts through the rear, suitable for cold-aisle deployments. Port-side exhaust (blue) draws air from the rear and exhausts through the front, ideal for hot-aisle configurations. All power supplies and fan modules must match the same airflow direction.

Q: Does the switch include MACsec encryption capability?
A: Yes, all ports on the Nexus 9336C-FX2 support wire-rate IEEE 802.1ae MACsec encryption at speeds of 1 Gbps and above, providing physical-layer security for server, border leaf, and spine-to-leaf connectivity without performance impact.

Q: Can I break out the QSFP28 ports into lower-speed interfaces?
A: Yes, all 36 QSFP28 ports support flexible breakout configurations including 100G native, 2x50G, 4x25G, 4x10G (with QSA adapter), and 1G (with QSA adapter on ports 7-32), allowing seamless migration from legacy 10/40G infrastructure to 25/100G networks.

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