• Cisco N3K-C34180YC silver switch with 48x10/25G SFP28 ports
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Cisco

Cisco N3K-C34180YC | Nexus 3400 48-Port 10/25G Switch, 6x 40/100G QSFP28

N3K-C34180YC

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Description

The Cisco Nexus 34180YC is a programmable, high-density data center switch designed for top-of-rack deployments. With 48 ports supporting 10/25G SFP28 and 6 QSFP28 uplink ports supporting 40/100G, it delivers 3.6 Tbps switching capacity and 1.4 billion packets per second throughput. Running Cisco NX-OS with advanced Layer 2/3 features, this 1RU switch is ideal for enterprise data centers, cloud environments, and service provider networks requiring flexible, wire-rate performance.

Features

Wire-rate Layer 2 and Layer 3 switching on all ports
- Support for VXLAN, OSPF, EIGRP, BGP, and static routing (with LAN Enterprise license)
- Virtual PortChannel (vPC) for link redundancy and active-active uplinks
- Multiple Spanning Tree Protocol (MSTP) support
- Forwarding pipeline programmability with customizable match-action logic
- Deep packet parsing beyond traditional 128-byte headers
- Precision Time Protocol (PTP) IEEE 1588 for clock synchronization
- Hot and cold patching capabilities
- Graceful Insertion and Removal (GIR) mode for maintenance
- Power-on Auto Provisioning (POAP) for zero-touch deployment
- Switched Port Analyzer (SPAN) with up to 64 sessions
- Support for jumbo frames up to 9,216 bytes
- Hot-swappable redundant power supplies and fan modules
- NX-API, NETCONF, Python, and REST API support
- OpenStack integration and DevOps tool compatibility

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

48x 10/25G SFP28 ports (supports 1G, 10G, and 25G)
- 6x 40/100G QSFP28 uplink ports
- Switching capacity: 3.6 Tbps
- Forwarding rate: 1.4 billion packets per second (bpps)
- Memory: 16 GB RAM
- Storage: 128 GB SSD
- MAC address table: 32,000 entries
- Packet buffer: 20 MB
- VLANs supported: 4,000
- IPv4 routes: 32,000 hosts, 4,000 LPM entries
- Operating system: Cisco NX-OS
- Management: CLI, NX-API, SNMP, NETCONF, Python scripting
- Form factor: 1RU, rack-mountable
- Dimensions: 1.72 x 17.3 x 22.5 in (4.4 x 43.9 x 57.1 cm)
- Weight: 18.4 lb (8.4 kg)
- Redundant hot-swappable power supplies and fans
- Power-on Auto Provisioning (POAP) support

FAQs

Q: Does the N3K-C34180YC require a license for Layer 3 routing?
A: Yes, the switch ships with Layer 2 base functionality. Full Layer 3 routing features including OSPF, EIGRP, BGP, and VXLAN require the optional LAN Enterprise license (N3K-LAN1K9).

Q: What port speeds are supported on the SFP28 ports?
A: Each of the 48 SFP28 ports can operate at 1G, 10G, or 25G speeds using compatible SFP, SFP+, or SFP28 transceivers, providing deployment flexibility.

Q: Can the QSFP28 ports be broken out into lower-speed ports?
A: Yes, each QSFP28 port supports native 40G and 100G operation, and can also be configured as 4x 25G breakout connections using appropriate breakout cables.

Q: Is this switch suitable for spine-leaf data center architectures?
A: Yes, the N3K-C34180YC is ideal as a Top-of-Rack (ToR) leaf switch in modern data center fabrics, with high-speed uplinks connecting to spine switches and ample 10/25G ports for server connectivity.

Q: What programmability features does the Nexus 34180YC offer?
A: The switch supports extensive programmability through NX-OS including NX-API, Linux containers, Python scripting, JSON/XML APIs, and integration with automation tools like Puppet, Chef, and Ansible for DevOps workflows.

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