Cisco Nexus 5000 Series Switch N5K-C5672UP Overview
Cisco Nexus 5000 Series Switch N5K-C5672UP is a genuine data-center switching fabric product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco Nexus 5000 Series family, the N5K-C5672UP unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is built for high-density data-center and cloud environments, where low latency, high availability and consistent forwarding matter most.
This unit follows the original factory specification for the Cisco Nexus 5000 Series family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Nexus 5672UP Chassis,32 p 10-Gbps SFP+, 16 Unified Ports”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the N5K-C5672UP. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned N5K-C5672UP
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
N5K-C5672UP Specifications | |
Form factor | 1-rack unit |
Number of ports | Up to 1152 with FEX |
10 GE | 48 ports |
40 GE | 6 true QSFP ports |
Performance | ● Layer 2 and 3 hardware forwarding at 1.44 Tbps; 1071 mpps (64-byte packets) ● Support for up to 256,000 combined entries of MAC addresses and Address Resolution Protocol (ARP) entries ● Low latency of approximately 1 microsecond using cut-through forwarding for predictable, consistent traffic latency regardless of packet size, traffic pattern, or features enabled on 10 and 40 Gigabit Ethernet interfaces ● 25-MB buffer per 12 x 10 Gigabit Ethernet SFP+ interfaces ● Line-rate traffic throughput on all ports in Layer 2 and 3 mode |
Interfaces | ● 48 fixed 1/10 Gigabit Ethernet SFP+ ports with 16 of the 48 ports being unified, and 6 fixed 40 Gigabit Ethernet QSFP+ ports with 10 and 40 Gigabit Ethernet FCoE support on all respective ports and 2/4/8-Gbps Fibre Channel on all the unified ports ● Expansion module: 24 SFP+ unified ports plus 2 x 40 Gigabit Ethernet QSFP+ ports ● Conversion of 40 Gigabit Ethernet ports to 10 Gigabit Ethernet interfaces through QSFP+ breakout cable ● Fabric extension through the Cisco Nexus 2200 and 2300 platforms |
Security | ● Ingress ACLs (standard and extended) on Ethernet and virtual Ethernet ports ● Standard and extended Layer 2 ACLs: MAC addresses, protocol type, etc. ● Standard and extended Layer 3 and 4 ACLs: IPv4 and IPv6, Internet Control Message Protocol (ICMP and ICMPv6), TCP, User Datagram Protocol (UDP), etc. ● Ingress policing ● VLAN-based ACLs (VACLs) ● Port-based ACLs (PACLs) ● Named ACLs ● Optimized ACL distribution ● ACLs on virtual terminals (vtys) ● ACL logging (IPv4 only) ● Dynamic Host Configuration Protocol (DHCP) snooping with Option 82 ● Dynamic ARP Inspection ● IP source guard ● DHCP relay (up to 32 destinations) ● Ethernet port security ● IPv6 RACL, PACL, and VACL ● iSCSI type-length-value (TLV) |
High-Availability Features | ● Cisco In-Service Software Upgrade (ISSU) for Layer 2 ● Hot-swappable field-replaceable power supplies and fan modules ● N+1 and N+N power redundancy ● N+1 fan module redundancy |
Data Center Bridging | ● CEE- and IEEE-compliant PFC (per-priority Pause frame support: IEEE 802.1Qbb) ● PFC link distance support: 20 km ● CEE-compliant DCBX Protocol ● CEE- and IEEE-compliant enhanced transmission selection |
Environmental Factors | |
Operating temperature (T-T) | 0 - 40 °C |
Operating relative humidity (H-H) | 5 - 95% |
Operating altitude | 0 - 3000 m |
Storage relative humidity (H-H) | 5 - 95% |
Physical parameters | |
Width | 439 mm |
| Depth | 762 mm |
| Height | 44 mm |
| Weight | 14.5Kg |
N5K-C5672UP - Deployment Notes
This N5K-C5672UP switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this N5K-C5672UP variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
