• Cisco N3K-C3232C silver switch with 32x100G QSFP28 ports
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Cisco

Cisco N3K-C3232C | Nexus 3200 32-Port 100G QSFP28 Switch, 6.4Tbps, Layer 3

N3K-C3232C

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Description

The Cisco Nexus 3232C is a high-density data centre switch delivering 32 ports of 100G QSFP28 connectivity with ultra-low 450ns latency. Designed for top-of-rack deployments, this 1RU switch provides wire-rate Layer 2 and Layer 3 switching with 6.4 Tbps capacity and 3.3 Bpps forwarding performance. Each QSFP28 port supports native 100G or breakout to 4x25G modes, offering exceptional deployment flexibility for high-performance computing, big data, and cloud infrastructure.

Features

Wire-rate Layer 2 and Layer 3 switching on all 32 ports with 450ns latency
- Ultra-low latency architecture optimized for high-frequency trading and real-time analytics
- Each QSFP28 port supports 100G, 40G, and breakout to 4x25G or 4x10G modes
- 6.4 Tbps switching capacity with up to 3.3 billion packets per second throughput
- Cisco NX-OS operating system with modular software architecture
- Full Layer 3 routing: BGP, OSPF, EIGRP, RIPv2, IS-IS support
- Multicast routing: PIM-SM, PIM-SSM, IGMP v2/v3, MSDP
- Virtual PortChannel (vPC) for Layer 2 multipathing and redundancy
- 64-way ECMP routing for scalable Layer 3 fabric designs
- Advanced buffer monitoring with real-time per-port and per-queue visibility
- Comprehensive ACLs: ingress, egress, VLAN, port, and routed interface filtering
- Quality of Service (QoS): 8 hardware queues, DSCP, CoS remarking, weighted fair queuing
- Spanning Tree Protocol: RSTP, MST, PVST+ support
- VXLAN routing and bridging (with appropriate license)
- Advanced reboot capabilities: ISSU, hot/cold patching for minimal downtime
- Programmability: NX-API, NETCONF, Python, Ansible, Puppet, Chef automation
- Power-On Auto Provisioning (POAP) for zero-touch deployment
- Cisco Embedded Event Manager (EEM) for event-driven automation
- Dual redundant hot-swappable 650W power supplies (AC and DC options)
- Redundant 3+1 hot-swappable fan modules with forward and reverse airflow
- Comprehensive SNMP, syslog, and streaming telemetry support
- Jumbo frame support up to 9216 bytes

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

32x 100G QSFP28 ports (supports 100G, 40G, 25G, 10G with breakout)
- 2x 10G SFP+ management ports
- Switching capacity: 6.4 Tbps
- Forwarding rate: up to 3.3 billion packets per second (Bpps)
- Latency: 450 nanoseconds (wire-rate Layer 2/3)
- Memory: 8 GB DRAM, 64 GB flash storage
- Buffer: 16 MB dynamic buffer allocation
- MAC address table: 40,000 entries
- VLAN support: 4,096 VLANs
- ACL entries: 7,000 ingress / 1,000 egress
- IPv4 host table: 72,000 entries
- Layer 3 multicast entries: 64,000
- Routing protocols: BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, MSDP
- Management: NX-OS, CLI, SNMP, NX-API, NETCONF, Python scripting
- Power: Dual redundant 650W AC/DC power supplies (hot-swappable)
- Cooling: Redundant fans (3+1), forward and reverse airflow options
- Dimensions (H x W x D): 1.72 x 17.3 x 22.4 in (4.4 x 43.9 x 56.8 cm), 1RU
- Operating temperature: 0°C to 40°C (32°F to 104°F)
- Certifications: UL, CE, FCC Class A, RoHS-6 compliant

FAQs

Q: Can the QSFP28 ports operate at speeds other than 100G?
A: Yes, each QSFP28 port can operate in native 100G mode, 40G mode, or breakout mode supporting 4x25G or 4x10G configurations. This provides deployment flexibility for mixed-speed environments and migration scenarios.

Q: What licensing model does the Nexus 3232C use?
A: The N3K-C3232C uses the Nexus 9000 licensing scheme with Base license included. Optional Network Essentials, Advantage, or Premier license tiers can be purchased separately to unlock advanced features such as VXLAN, EVPN, and enhanced automation capabilities.

Q: Is this switch suitable for spine-leaf data centre architectures?
A: Absolutely. With 32x 100G ports, 6.4 Tbps throughput, and 450ns latency, the Nexus 3232C is ideal for top-of-rack leaf or spine deployments. It supports comprehensive Layer 3 routing, ECMP, vPC, and modern data centre protocols for scalable, resilient fabrics.

Q: What optics are compatible with the QSFP28 ports?
A: The switch supports a wide range of 100G, 40G, and 10G optics including QSFP28 SR4, LR4, PSM4, CWDM4, and direct-attach copper (DAC) cables. Cisco maintains official compatibility matrices for 100G, 40G, and 10G transceivers on their support site.

Q: Does the Nexus 3232C support automation and programmability?
A: Yes, it offers extensive programmability features including NX-API, Python scripting, Ansible, Puppet, Chef integration, NETCONF, and Linux container support. This enables zero-touch provisioning, infrastructure-as-code, and integration with modern DevOps workflows.

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