• Cisco N9K-X9636C-R 36-port 100G QSFP28 switch module
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Cisco

Cisco N9K-X9636C-R | Nexus 9500R 36-Port 100G QSFP28 Line Card, 3.6 Tbps, R-Series

N9K-X9636C-R

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Description

The Cisco N9K-X9636C-R is a high-performance line card designed for the Nexus 9500R modular switch platform, delivering 36 ports of 40/100 Gigabit Ethernet QSFP28 connectivity and 3.6 Tbps capacity per slot. Engineered for demanding data center environments, this R-Series buffer line card features a 12GB packet buffer, support for up to 250,000 multicast routes, 4,096 VLANs, and advanced routing protocols including ECMP. Ideal for hyperscale data centers, enterprise networks, and cloud infrastructure requiring ultra-low latency and wire-speed performance.

Features

36 ports of 40/100GbE QSFP28 connectivity with breakout cable support for lower speeds
- Deep buffer architecture with 12GB packet buffer for lossless operation and traffic absorption
- High-density switching with 3.6 Tbps throughput per slot
- Support for up to 1 million IPv4 routes and 750,000 MAC addresses
- Advanced routing protocols: BGP, OSPF, IS-IS, ECMP with up to 256 paths
- VXLAN routing and EVPN support for overlay network architectures
- Cisco ACI integration for policy-based automation and software-defined networking
- Built-in ASIC with TCAM for hardware-accelerated ACLs, QoS, and route lookups
- Comprehensive security features including ACLs, port security, and network segmentation
- Support for 1,000 port channels with up to 32 links per channel
- Wire-speed performance with ultra-low latency for mission-critical applications
- 32 active SPAN sessions for real-time network monitoring and troubleshooting
- Hot-swappable design for maintenance without network downtime
- NEBS Level 3 compliant for carrier-grade reliability
- MTBF of 117,870 hours ensuring high availability
- Managed via NX-OS CLI, SNMP, and centralized Nexus management interfaces

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 40/100 Gigabit Ethernet QSFP28 ports
- Switching Capacity: 3.6 Tbps per slot
- Buffer Memory: 12GB deep packet buffer
- MAC Address Table: 750,000 entries
- IPv4 Routes: Up to 1 million
- Multicast Routes: 250,000
- VLAN Support: Up to 4,096 VLANs
- Port Channels: Up to 1,000 with 32 links per channel
- ECMP Routes: Up to 256 Equal-Cost Multipath routes
- SPAN Sessions: 32 active switched port analyzer sessions
- Power Consumption: Maximum 902W typical / 650W (varies by source)
- MTBF: 117,870 hours
- Compatible Chassis: Cisco Nexus 9500 series modular switches
- Required NX-OS Version: 7.0(11) or later
- Form Factor: Line card module for Nexus 9500R chassis
- Management: CLI, NX-OS, Cisco ACI support

FAQs

Q: Which chassis is the N9K-X9636C-R compatible with?
A: The N9K-X9636C-R is designed exclusively for the Cisco Nexus 9500 series modular switch chassis (4-slot, 8-slot, and 16-slot variants). It installs directly into line card slots and requires NX-OS version 7.0(11) or later.

Q: What port speeds does this line card support?
A: The N9K-X9636C-R supports 40 Gigabit Ethernet and 100 Gigabit Ethernet on all 36 QSFP28 ports. It also supports breakout cables for 10G, 25G, and 50G connectivity, providing flexible speed options for diverse data center requirements.

Q: What is the total switching capacity when multiple line cards are installed?
A: Each N9K-X9636C-R line card provides 3.6 Tbps capacity. A fully populated 16-slot chassis can deliver up to 154 Tbps total capacity, while 8-slot and 4-slot chassis provide 76.8 Tbps and 38.4 Tbps respectively.

Q: Does this line card support Cisco ACI and VXLAN?
A: Yes, the N9K-X9636C-R supports both NX-OS standalone mode and Cisco Application Centric Infrastructure (ACI) mode. It includes advanced features such as VXLAN routing, EVPN, and comprehensive telemetry for software-defined networking deployments.

Q: Is the N9K-X9636C-R hot-swappable?
A: Yes, the N9K-X9636C-R is hot-swappable, allowing maintenance or upgrades without disrupting network operations. Ensure the chassis has adequate power and cooling capacity before installation.

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