• Cisco N3K-C3132Q-40GE 32-port QSFP+ 40G switch, 1RU sleek design
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Cisco

Cisco N3K-C3132Q-40GE | Nexus 3100 32-Port 40G QSFP+ Switch, 4x 10G SFP+, Layer 3

N3K-C3132Q-40GE

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Description

The Cisco Nexus 3132Q is a high-density 40 Gigabit Ethernet data center switch delivering 2.5 Tbps switching capacity in a compact 1RU form factor. Each of the 32 QSFP+ ports supports native 40GbE or can breakout to 4x10GbE, providing up to 104x10G ports for flexible top-of-rack or leaf deployments. This Layer 2 and Layer 3 switch runs Cisco NX-OS with comprehensive features including VXLAN, VPC, and advanced routing protocols, making it ideal for cost-effective, high-performance data center fabrics.

Features

Layer 2 switching with VLAN support (4,096 VLANs), Rapid Spanning Tree Protocol (RSTP), Multiple Spanning Tree Protocol (MSTP)
- Layer 3 routing with inter-VLAN routing, static routes, RIPv2, OSPFv2, EIGRP stub, BGP-4 (with LAN license)
- Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP) for gateway redundancy
- Virtual PortChannel (vPC) technology for active-active Layer 2 multipathing and switch redundancy
- VXLAN overlay networking support for network virtualization and multi-tenancy
- Quality of Service (QoS) with Weighted Round Robin (WRR) queuing and Weighted Random Early Detection (WRED)
- Comprehensive security: Access Control Lists (ACLs) with 4,000 ingress and 1,000 egress entries, DHCP snooping, storm control, private VLANs
- Link Aggregation Control Protocol (LACP) support with up to 64 EtherChannels
- Jumbo frame support up to 9216 bytes for improved throughput with large data transfers
- Equal-Cost Multipath (ECMP) routing for load balancing across multiple paths
- Unicast Reverse Path Forwarding (uRPF) and Uni-Directional Link Detection (UDLD)
- Cisco Data Center Network Manager (DCNM) support for centralized provisioning and monitoring
- IEEE 802.1Q VLAN tagging, IEEE 802.1p priority tagging, IEEE 802.3ad link aggregation
- In-band and out-of-band management via dedicated 10/100/1000 Mbps Ethernet port
- Hot-swappable redundant power supplies and fan modules for high availability

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 40 Gigabit Ethernet QSFP+ ports
- 4x 10 Gigabit Ethernet SFP+ ports (multiplexed with first QSFP+ port)
- Each QSFP+ port supports native 40GbE or 4x10GbE breakout mode (up to 104x10G ports total)
- Switching capacity: 2.5 Tbps
- Forwarding rate: 1.4 billion packets per second (bpps)
- Line-rate Layer 2 and Layer 3 throughput on all ports
- CPU: Dual-core 1.5 GHz Intel processor
- Memory: 4 GB DDR3 RAM
- Flash: 2 GB
- Jumbo frame support: up to 9216 bytes
- MAC address table: 288,000 entries
- VLAN support: 4,096 VLANs
- Management: CLI, SNMP v1/v2c/v3, RMON, Telnet, SSH, Cisco DCNM
- Power: Dual redundant hot-swappable AC power supplies
- Cooling: Redundant hot-swappable fans (3+1), front-to-back airflow (port-side exhaust)
- Form factor: 1RU rack-mountable
- Dimensions: 1.7 x 17.3 x 19.7 inches (HxWxD)
- Weight: 21.5 lbs
- Operating system: Cisco NX-OS

FAQs

Q: What licensing is required for Layer 3 routing on the Nexus 3132Q?
A: The Nexus 3132Q includes comprehensive Layer 2 features in the base NX-OS software. To enable Layer 3 unicast and multicast routing functions such as OSPF, EIGRP, BGP, and PIM, you need to install the N3K-LAN1K9 license. When operating in Nexus 9000 mode, the N3K-LAN1K9 license covers all supported Layer 3 features.

Q: Can I mix 40G and 10G connections on the same switch?
A: Yes, each QSFP+ port can operate independently in either native 40 Gigabit Ethernet mode or 4x10 Gigabit Ethernet breakout mode. You can use QSFP+ to SFP+ breakout cables or splitters to connect 10GbE devices. The 4 dedicated SFP+ ports (multiplexed with the first QSFP+ port) also provide native 10GbE connectivity.

Q: Is the Nexus 3132Q suitable for spine-and-leaf data center architectures?
A: Yes, the Nexus 3132Q is well-suited as a leaf switch in modern spine-and-leaf fabrics. It supports VXLAN overlay networking, Virtual PortChannel (vPC) for redundancy, and provides line-rate Layer 2 and Layer 3 forwarding. Its high port density and low latency make it ideal for top-of-rack deployments connecting to spine switches via 40GbE uplinks.

Q: What is the difference between the 3132Q, 3132Q-X, and 3132Q-XL models?
A: The N3K-C3132Q-40GE is the original model with 4GB RAM and dual-core 1.5GHz CPU. The 3132Q-X is a minor hardware revision with improved CPU performance, 40W lower power consumption, and different port layout. The 3132Q-XL features 8GB RAM, 16GB Logflash, and a faster 2.5GHz CPU for enhanced performance and scalability.

Q: Does the switch support both forward and reverse airflow configurations?
A: The N3K-C3132Q-40GE model features front-to-back airflow (port-side exhaust) as standard. Cisco also offers reverse airflow models with back-to-front cooling (port-side intake) to support various data center hot-aisle/cold-aisle designs. Check the SKU suffix to confirm airflow direction when ordering.

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