• Cisco N9K-X9736PQ silver server rack with black accents and 36x40G ports
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Cisco

Cisco N9K-X9736PQ | 36-Port 40G QSFP+ Line Card, ACI Spine, Nexus 9500

N9K-X9736PQ

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Description

The Cisco N9K-X9736PQ is a high-performance ACI Spine line card designed for Nexus 9500 modular chassis deployments. With 36 ports of 40 Gigabit Ethernet QSFP+ connectivity and up to 2.8 Tbps throughput, this line card delivers exceptional bandwidth and low-latency performance for modern data center spine-leaf architectures. It supports advanced features including VXLAN, EVPN, and comprehensive ACI policy enforcement, making it ideal for large-scale, software-defined networking environments.

Features

ACI Spine line card optimized for Application Centric Infrastructure deployments
- 36 x 40 Gigabit Ethernet QSFP+ interfaces for high-density spine connectivity
- Non-blocking architecture with up to 2.8 Tbps throughput
- VXLAN routing and bridging support for network overlay and segmentation
- EVPN support for scalable Layer 2 and Layer 3 network virtualization
- Hardware-based deep packet inspection (DPI) identifying over 1,400 applications
- Application Visibility and Control (AVC) for policy-based traffic management
- Up to 64 Equal-Cost Multi-Path (ECMP) for load balancing and redundancy
- Virtual PortChannel (vPC) technology for enhanced resilience
- Up to 16,000 VRF instances for multi-tenancy support
- Comprehensive spanning tree support: MST and RPVST instances
- Up to 490 HSRP groups for high availability and failover protection
- SPAN and ERSPAN for network monitoring and analysis
- 42 MB packet buffer for traffic burst absorption
- Hot-swappable design for zero-downtime maintenance
- Cisco Alpine ASIC technology for high performance
- Low power consumption (197W typical) for efficient data center operations
- High reliability with MTBF of 790,220 hours

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 Gigabit Ethernet QSFP+ ports
- Total bandwidth: Up to 2.8 Tbps with four fabric modules
- Packet buffer: 42 MB
- MAC address table: Up to 160,000 entries
- IP host entries: Up to 208,000
- LPM route entries: Up to 128,000
- VRF instances: Up to 16,000
- ECMP paths: Up to 64
- VXLAN tunnel endpoints: Up to 10,000
- Spanning tree instances: Up to 64 MST, up to 507 RPVST
- HSRP groups: Up to 490
- SPAN instances: 4 to 32 active
- Power consumption: Typical 197W
- Weight: 12.13 lb (5.5 kg)
- MTBF: 790,220 hours
- Hot-swappable design
- Compatible with Cisco Nexus 9504, 9508, and 9516 chassis
- Requires fabric modules for full bandwidth (6 modules recommended)

FAQs

Q: What chassis models is the N9K-X9736PQ compatible with?
A: The N9K-X9736PQ line card is compatible with the Cisco Nexus 9500 Series modular chassis, including the Nexus 9504, 9508, and 9516 switches. It is specifically designed for ACI Spine deployments within these platforms.

Q: How many fabric modules are required to achieve maximum bandwidth?
A: To achieve the full 2.8 Tbps bandwidth capability of the N9K-X9736PQ, you need to install four fabric modules in the Nexus 9500 chassis. For optimal performance when all line card slots are populated, six fabric modules are recommended.

Q: Can this line card operate in both ACI and NX-OS modes?
A: The N9K-X9736PQ is optimized as an ACI Spine line card and is designed primarily for Application Centric Infrastructure deployments. While Nexus 9500 switches can operate in both ACI and NX-OS modes, this specific line card is tailored for ACI spine-leaf architecture use cases.

Q: What advanced networking features does this line card support?
A: The N9K-X9736PQ supports VXLAN routing and bridging, EVPN for network virtualization, up to 64 ECMP paths for load balancing, comprehensive spanning tree protocols (MST and RPVST), HSRP for high availability, and advanced application visibility and control with hardware-based deep packet inspection.

Q: Is the line card hot-swappable?
A: Yes, the N9K-X9736PQ features a hot-swappable design, allowing for easy installation, replacement, and maintenance without powering down the chassis. This ensures minimal network downtime and facilitates seamless upgrades in production environments.

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