N5K-C56128P - Cisco Nexus 5000 Series Switch
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N5K-C56128P Overview
Nexus 56128P Chassis, 2RU, 48x 10-Gbps SFP+, 4 x 40G QSFP+ Fixed Ports (Base) N5K-C56128P
Overview
N5K-C56128P Overview
Cisco Nexus 56128P, Managed, L2/L3, 40 Gigabit Ethernet, Full duplex, Rack mounting, 2U
The Cisco Nexus 56128P (N5K-C56128P) is a 2RU (2 rack unit) switch that supports 2.56 Tbps of bandwidth across 48 fixed 1 Gigabit and 10 Gigabit Ethernet SFP+ ports, and four 40-Gbps QSFP+ ports. The 48 fixed SFP+ ports and 4 40Gbps QSFP+ ports support FCOE also, in addition to Ethernet. The Cisco Nexus 56128P runs the industry-leading Cisco NX-OS Software operating system, providing features and capabilities that are widely deployed.
Quick Specs
Figure 1 shows the appearance of N5K-C56128P.
Product Code | N5K-C56128P |
Bandwidth | 2.56 Tbps |
Fixed Interfaces | 48 fixed 1 Gigabit and 10 Gigabit Ethernet SFP+ ports, and four 40-Gbps QSFP+ ports |
Form Factor | 2-rack unit |
Expansion slots | 2 |
Power Supplies | four 2+2 redundant, hot-swappable power supplies |
Fan Modules | four 3+1 redundant, hot-swappable independent fans |
Number of ports | 1152 with FEX |
10 GE | Up to 96 wire-rate ports |
40 GE | Up to 8 QSFP ports |
Unified ports | Up to 48 ports (Ethernet; FCoE; 2/4/8-gigabit FC) |
10 and 40 Gbps FCoE | Yes |
Hardware VXLAN | Yes |
NVGRE capable | Yes |
Latency | 1 microsecond |
Airflow | supporting both port-side intake (red handle) and fan-side intake (blue handle) airflow options. |
Physical (height x width x depth) | 3.5 x 17.3 x 30 in (8.8 x 43.9 x 76.2 cm) |
Weight | 60 lb (2 expansion modules and 4 power supplies) |
Product Details
Figure 2 shows the back panel of N5K-C56128P.
Note:
① | Hot-Swappable N+1 Redundant AC/DC Power Supplies |
② | Hot-Swappable N+1 Redundant Fan Trays(4 per switch)-Choice of reverse airflow |
③ | Mgmto/Console/USB |
The Accessories
Category | Model | Description |
N5600 SFP Transceiver and Optics | SFP-10G-SR | 10GBASE-SR SFP Module |
SFP-H10GB-CU1-5M | 10GBASE-CU SFP+ Cable 1.5 Meter | |
Software License Options | N56-LAN1K9-P | Limited Time Promotion for Nexus 5600 Series LAN Enterprise |
Compare to Similar Items
Product Code | N5K-C56128P | N5K-C5672UP |
Form factor | 2-rack unit | 1-rack unit |
Power Supplies | four 2+2 redundant, hot-swappable power supplies | two 1+1 redundant, hot-swappable power supplies |
Airflow | supporting both port-side intake (red handle) and fan-side intake (blue handle) airflow options. | supporting both port-side intake (red handle) and fan-side intake (blue handle) airflow options for flexible mounting |
Number of ports | 1152 with FEX | Up to 1152 with FEX |
10 GE | Up to 96 wire-rate ports | 48 ports |
40 GE | Up to 8 QSFP ports | 6 true QSFP ports |
Unified ports | Up to 48 ports (Ethernet; FCoE; 2/4/8-gigabit FC) | 16 ports (Ethernet; FCoE; 2/4/8-gigabit FC) |
10 and 40 Gbps FCoE | Yes | Yes |
Hardware VXLAN | Yes | Yes |
NVGRE capable | Yes | Yes |
Latency | 1 microsecond | 1 microsecond |
Cisco Nexus 56128P 2RU, 48x 10-Gbps SFP+, 4 x 40G QSFP+ Fixed Ports, Spare
- Managed L2/L3 Web-based management
- Quality of Service (QoS) support
- Console port: RJ-45
- 10G support
- MAC address table: 256000 entries Switching capacity: 2560 Gbit/s
- Access Control List (ACL)
- 2U Rack mounting
Summary Description
Cisco 56128P, Managed, L2/L3, 40 Gigabit Ethernet, Full duplex, Rack mounting, 2U
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Specification
N5K-C56128P Specification
N5K-C56128P Specifications | |
Form factor | 2-rack unit |
Expansion slots | 2 |
Number of ports | 1152 with FEX |
10 GE | Up to 96 wire-rate ports |
40 GE | Up to 8 QSFP ports |
Unified ports | Up to 48 ports (Ethernet; FCoE; 2/4/8-gigabit FC) |
10 and 40 Gbps FCoE | Yes |
Hardware VXLAN | Yes |
NVGRE capable | Yes |
Latency | 1 microsecond |
Performance | ● Layer 2 and 3 hardware forwarding at 2.56 Tbps; 1904 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 4 x 40 Gigabit Ethernet QSFP+ fixed ports and 2 expansion slots ● 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 |
Layer 2 Features | ● Layer 2 switch ports and VLAN trunks ● IEEE 802.1Q VLAN encapsulation ● Support for up to 4000 VLANs ● Support for up to 4000 access control list (ACL) entries ● Rapid Per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802.1w compatible) ● Multiple Spanning Tree Protocol (MSTP) (IEEE 802.1s): 64 instances ● Spanning Tree PortFast ● Spanning Tree root guard ● Spanning Tree Bridge Assurance ● Cisco EtherChannel technology (up to 16 ports per EtherChannel) ● Cisco vPC technology ● vPC configuration synchronization ● vPC shutdown ● Link Aggregation Control Protocol (LACP): IEEE 802.3ad ● Advanced port-channel hashing based on Layer 2, 3, and 4 information ● Jumbo frames on all ports (up to 9216 bytes) ● Pause frames (IEEE 802.3x) ● Storm control (unicast, multicast, and broadcast) ● Private VLANs ● Private VLAN over trunks (isolated and promiscuous) ● Private VLANs over vPC and EtherChannels ● VLAN remapping ● FabricPath ● EvPC and vPC+ with FabricPath ● Adapter FEX ● Data Center VM-FEX ● Support for up to 24 fabric extenders (Layer 2) with each Cisco Nexus 5672UP, 5672UP-16G, and 56128P Switch ● RDMA over Converged Ethernet (RoCE) using Data Center Bridging (DCB) support (DCB Exchange [DCBX] no drop and priority flow control [PFC]) |
Layer 3 Features | ● Layer 3 interfaces: Routed ports, switch virtual interface (SVI), port channels, subinterfaces, and port-channel subinterfaces ● Support for up to 32,000 IPv4 and 8000 IPv6 host prefixes ● Support for up to 8000 multicast routes (IPv4) ● Support for up to 8000 IGMP snooping groups ● Support for 4000 Virtual Routing and Forwarding (VRF) entries ● Support for up to 4096 VLANs ● Equal-Cost Multipathing (ECMP) up to 64 ways ● 4000 flexible ACL entries ● Routing protocols: Static, Routing Information Protocol Version 2 (RIPv2), Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First Version 2 (OSPFv2), Border Gateway Protocol (BGP), and Intermediate System-to-Intermediate System (IS-IS) ● IPv6 routing protocols: Static, OPFv3, BGPv6, and EIGRPv6 ● IPv6 VRF-lite ● BFD support: OSPFv2, BGPv4, EIGRP, and VRF instances ● Policy-Based Routing (IPv4 and IPv6) ● Hot-Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP) ● IP direct broadcast ● vPC+ routing protocol peering ● ACL: Routed ACL with Layer 3 and 4 options to match ingress and egress ACL ● Multicast: Protocol Independent Multicast Version 2 (PIMv2) sparse mode, Source-Specific Multicast (SSM), Bidir-PIM, Multicast Source Discovery Protocol (MSDP), IGMPv2 and v3, and Multicast VLAN Registration (MVR) ● VRF: VRF-lite (IP VPN); VRF-aware unicast; and BGP-, OSPF-, RIP-, and VRF-aware multicast ● Unicast Reverse-Path Forwarding (uRFP) with ACL; strict and loose modes ● Jumbo frame support (up to 9216 bytes) ● Support for up to 24 fabric extenders on each Cisco Nexus 5600 10-Gbps platform switch |
Quality of Service (QoS) | ● Layer 2 IEEE 802.1p (class of service [CoS]) ● 8 unicast queues and 8 multicast queues per port ● Per-port QoS configuration ● CoS trust ● Port-based CoS assignment ● Modular QoS CLI (MQC) compliance: IPv4 and IPv6 ● ACL-based QoS classification (Layers 2, 3, and 4) ● Flexible TCAM carving ● MAC and ARP hardware carving ● MQC CoS marking ● Per-port virtual output queuing ● CoS-based egress queuing ● Egress strict-priority queuing ● Egress port-based scheduling: Deficit Weighted Round-Robin (DWRR) ● Control-Plane Policing (CoPP): IPv4 and IPv6 |
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 |
Management | ● Switch management using 10/100/1000-Mbps management or console ports ● CLI-based console to provide detailed out-of-band management ● In-band switch management ● Port-based locator and beacon LEDs ● Configuration synchronization ● Configuration rollback ● Secure Shell Version 2 (SSHv2) ● Telnet ● Authentication, authorization, and accounting (AAA) ● AAA with RBAC ● RADIUS ● TACACS+ ● Syslog (8 servers) ● Embedded packet analyzer ● SNMPv1, v2, and v3 (IPv4 and IPv6) ● Enhanced SNMP MIB support ● XML (NETCONF) support ● Remote monitoring (RMON) ● Advanced Encryption Standard (AES) for management traffic ● Unified username and passwords across CLI and SNMP ● Microsoft Challenge Handshake Authentication Protocol (MS-CHAP) ● Digital certificates for management between switch and RADIUS server ● Cisco Discovery Protocol Versions 1 and 2 ● RBAC ● SPAN on physical, PortChannel and VLAN ● ERSPAN ● Ingress and egress packet counters per interface ● Network Time Protocol (NTP) ● Cisco Generic Online Diagnostics (GOLD) ● Comprehensive bootup diagnostic tests ● Cisco Embedded Event Manager (EEM) ● Cisco Call Home ● Cisco Smart Call Home ● Default Interface ● Cisco Fabric Manager ● Cisco Prime DCNM ● CiscoWorks LAN Management Solution (LMS) |
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 |
FCoE Features (Require Storage Services License) | ● T11 standards-compliant FCoE (Fibre Channel-BB-5) ● T11 FCoE Initialization Protocol (FIP) (Fibre Channel-BB-5) ● Any 10 or 40 Gigabit Ethernet port configurable as FCoE ● SAN administration separate from LAN administration ● Fibre Channel forwarding (FCF) ● Fibre Channel enhanced port types: VE, VF and VNP ● Direct attachment of FCoE targets ● Fabric Device Management Interface (FDMI) ● Fibre Channel ID (FCID) persistence ● Distributed device alias services ● In-order delivery ● Port tracking ● Cisco FCoE NPV technology ● N-port identifier virtualization (NPIV) ● Fabric services: Name server, registered state change notification (RSCN), login services, and name-server zoning ● Per-VSAN fabric services ● Cisco Fabric Services ● Distributed device alias services ● Host-to-switch and switch-to-switch Fibre Channel-SP authentication ● Fabric Shortest Path First (FSPF) ● Standard zoning ● Enhanced zoning ● Cisco Fabric Analyzer ● Cisco DCNM-SAN ● Storage Management Initiative Specification (SMI-S) ● Boot from SAN over vPC and Enhanced vPC (EvPC) ● FCP ● VSAN trunking ● Fabric Device Management Interface (FDMI) ● Fibre Channel ID (FCID) persistence ● Distributed device alias services ● In-order delivery ● Port tracking ● Cisco NPV technology ● Fabric binding for Fibre Channel ● Port security ● Fibre Channel traceroute ● Fibre Channel ping ● Fibre Channel debugging |
SNMP MIBs | |
Generic MIBs | ● SNMPv2-SMI ● CISCO-SMI ● SNMPv2-TM ● SNMPv2-TC ● IANA-ADDRESS-FAMILY-NUMBERS-MIB ● IANAifType-MIB ● IANAiprouteprotocol-MIB ● HCNUM-TC ● CISCO-TC ● SNMPv2-MIB ● SNMP-COMMUNITY-MIB ● SNMP-FRAMEWORK-MIB ● SNMP-NOTIFICATION-MIB ● SNMP-TARGET-MIB ● SNMP-USER-BASED-SM-MIB ● SNMP-VIEW-BASED-ACM-MIB ● CISCO-SNMP-VACM-EXT-MIB |
Layer 3 MIBs | ● UDP-MIB ● TCP-MIB ● OSPF-MIB ● BGP4-MIB ● CISCO-HSRP-MIB |
Ethernet MIBs | ● CISCO-VLAN-MEMBERSHIP-MIB ● CISCO-Virtual-Interface-MIB ● CISCO-VTP-MIB |
Configuration MIBs | ● ENTITY-MIB ● IF-MIB ● CISCO-ENTITY-EXT-MIB ● CISCO-ENTITY-FRU-CONTROL-MIB ● CISCO-ENTITY-SENSOR-MIB ● CISCO-FLASH-MIB ● CISCO-SYSTEM-MIB ● CISCO-SYSTEM-EXT-MIB ● CISCO-IP-IF-MIB ● CISCO-IF-EXTENSION-MIB ● CISCO-SERVER-INTERFACE-MIB ● CISCO-NTP-MIB ● CISCO-IMAGE-MIB ● CISCO-IMAGE-CHECK-MIB ● CISCO-IMAGE-UPGRADE-MIB ● CISCO-CONFIG-COPY-MIB ● CISCO-ENTITY-VENDORTYPE-OID-MIB ● CISCO-BRIDGE-MIB |
Monitoring MIBs | ● DIFFSERV-DSCP-TC ● NOTIFICATION-LOG-MIB ● DIFFSERV-MIB ● CISCO-CALLHOME-MIB ● CISCO-SYSLOG-EXT-MIB ● CISCO-PROCESS-MIB ● RMON-MIB ● CISCO-RMON-CONFIG-MIB ● CISCO-HC-ALARM-MIB ● LLDP-MIB |
Security MIBs | ● CISCO-AAA-SERVER-MIB ● CISCO-AAA-SERVER-EXT-MIB ● CISCO-COMMON-ROLES-MIB ● CISCO-COMMON-MGMT-MIB ● CISCO-RADIUS-MIB ● CISCO-SECURE-SHELL-MIB ● TCP/IP MIBs ● INET-ADDRESS-MIB ● TCP-MIB ● CISCO-TCP-MIB ● UDP-MIB ● IP-MIB ● CISCO-IP-PROTOCOL-FILTER-MIB ● CISCO-DNS-CLIENT-MIB ● CISCO-PORTSECURITY-MIB |
Miscellaneous MIBs | ● START-MIB ● CISCO-LICENSE-MGR-MIB ● CISCO-FEATURE-CONTROL-MIB ● CISCO-CDP-MIB ● CISCO-RF-MIB ● CISCO-ETHERNET-FABRIC-EXTENDER-MIB ● CISCO-BRIDGE-MIB ● CISCO-FCOE-MIB ● CISCO-PORTCHANNEL-MIB ● CISCO-ZS-MIB |
Standards | |
Industry Standards | ● IEEE 802.1D: Spanning Tree Protocol ● IEEE 802.1p: CoS prioritization ● IEEE 802.1Q: VLAN tagging ● IEEE 802.1Qaz: Enhanced transmission selection ● IEEE 802.1Qbb: Per-priority Pause ● IEEE 802.1s: Multiple VLAN instances of Spanning Tree Protocol ● IEEE 802.1w: Rapid reconfiguration of Spanning Tree Protocol ● IEEE 802.3: Ethernet ● IEEE 802.3ad: LACP with fast timers ● IEEE 802.3ae: 10 Gigabit Ethernet ● IEEE 802.3ba: 40 Gigabit Ethernet (Applies to 40G SR4, SR4-S, LR4, LR4-S, and CSR4 optics only) ● SFF 8431 SFP+ CX1 support ● RMON |
Resources
Documents
Frequently Asked Questions
What are the primary port configurations available on the Cisco Nexus 56128P? +
The Cisco Nexus 56128P is a compact 2RU chassis that provides high-density 10-Gbps connectivity. It comes equipped with 48 fixed 10-Gbps SFP+ ports for your server access layer, complemented by 4 fixed 40-Gbps QSFP+ ports. This port architecture is specifically engineered to provide the high-performance bandwidth necessary for modern, data-intensive enterprise network environments.
Is the Cisco N5K-C56128P suitable for Layer 3 switching deployments? +
Yes, the Nexus 56128P is designed as a versatile managed switch that supports both Layer 2 and Layer 3 switching capabilities. It is highly effective for data center environments that require robust, high-performance routing features to manage traffic efficiently between subnets, ensuring low-latency communication across your network infrastructure.
What is the physical form factor of the Nexus 56128P and how does it affect rack space? +
The N5K-C56128P is designed in a 2RU (rack unit) form factor. This compact design is ideal for space-constrained data center racks where high-density 10G/40G connectivity is mandatory. Its small footprint allows IT managers to optimize their cabinet layouts without sacrificing the port density or the performance throughput required by critical enterprise applications.
Can the 40G QSFP+ ports on the N5K-C56128P be used for uplink connectivity? +
Absolutely. The 4 fixed 40G QSFP+ ports are ideal for high-speed uplinks to your core or spine-leaf network architecture. These ports provide the necessary bandwidth to prevent bottlenecks when aggregating traffic from your 10G downstream access ports, ensuring that your data center maintains consistent, non-blocking performance during peak traffic periods.
How does the N5K-C56128P handle high-performance traffic requirements? +
This switch is built for high-performance data center environments, leveraging Cisco's Nexus architecture to deliver low-latency switching. With its mix of 10G and 40G interfaces, the platform facilitates efficient data movement, making it a reliable choice for virtualization, cloud computing, and high-performance computing clusters that demand consistent uptime and high throughput.
What type of environment is best suited for the Nexus 56128P? +
The Nexus 56128P is optimized for data center leaf or access layer deployments. Its combination of SFP+ and QSFP+ ports makes it an excellent choice for enterprises looking to scale their server farms, support unified fabric connectivity, and manage high-traffic server workloads with the reliability and feature set expected of the Cisco Nexus product line.
Are the fixed ports on the Nexus 56128P compatible with standard SFP+ and QSFP+ modules? +
The N5K-C56128P utilizes industry-standard SFP+ and QSFP+ transceivers. This compatibility allows you to leverage existing cabling infrastructure and optics, providing flexibility in how you connect your server NICs and switches. Always ensure that the transceivers used are compatible with the specific Cisco Nexus software version currently running on your chassis for optimal performance.
How do I manage the N5K-C56128P within an existing data center network? +
As a managed switch, the Nexus 56128P is configured via the industry-standard Cisco NX-OS software. This operating system provides comprehensive management capabilities, including CLI, SNMP, and advanced automation features. It is designed to integrate seamlessly into existing Cisco environments, allowing your network administrators to maintain consistent operational workflows across their infrastructure.
How can I obtain a competitive bulk quote for the Cisco N5K-C56128P from BuyRouterSwitch.com? +
If you are planning a large-scale data center upgrade or require multiple units, BuyRouterSwitch.com provides dedicated procurement assistance. Simply contact our sales team directly through our website to request a bulk quote. We specialize in volume pricing for enterprise IT projects, ensuring that you receive the best possible cost-per-port for your infrastructure investment.
Why should I choose BuyRouterSwitch.com for purchasing the N5K-C56128P? +
BuyRouterSwitch.com is a trusted source for professional networking hardware, providing IT buyers with access to authentic Cisco equipment. We prioritize secure ordering processes and streamlined procurement for high-volume enterprise orders. By choosing us, you are partnering with an experienced team that understands the critical nature of your network deployment and ensures that your hardware reaches you ready for implementation.
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