Cisco Nexus 5020 details

Cisco Nexus 5020 details

Cisco Nexus 5020

Unified Fabric
Next Generation of 10Gb data center ethernet

Designed to meet the challenges of the next-generation data centers including dense multisocket, multicore, virtual machine optimized services, where infrastructure sprawl and increasingly demanding workloads are commonplace.

  • High-performance, low-latency 10 Gigabit Ethernet
  • Optional Unified fabric with Fibre Channel over Ethernet (FCoE) for I/O consolidation
  • Virtual machine optimized services for higher asset utilization
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 Choose Cisco Nexus 5020

  Switching Capacity
1.04 Tbps

773.8 million packets per second (mpps)
IPv6 for Mgmt? YES


  Number of fixed Ports
40 fixed 10 Gigabit Ethernet (16 of which can be run at 1G). One Out of band management port
Expansion Module Options for the Cisco Nexus 5000 Series
2 expansion modules slots- The following expansion modules are available:
6 ports of 10 Gigabit Ethernet
4 ports of 10 Gigabit Ethernet, and 4 ports of 1/2/4-Gbps native Fibre Channel
8 ports of 1/2/4-Gbps native Fibre Channel

  Maximum 10 Gigabit Ports
52 10 Gigabit Ethernet ports

  Maximum Gigabit Ethernet (fiber) Ports
First 16 ports can be configured to function in 1G or 10G mode. An optional Nexus 2148T Fabric Extender may be used to extend Gigabit density

  Cisco TwinGig Convertor Module Support

  Optic Types
10GBASE-SR SFP+ Module, 10GBASE-LR SFP+ Module, 10GBASE-CU SFP+ Cable 1 Meter, 10GBASE-CU SFP+ Cable 3 Meter, 10GBASE-CU SFP+ Cable 5 Meter, 1000BASE-T SFP, GE SFP, LC connector SX transceiver, GE SFP, LC connector LX/LH transceiver

  Support and Licensing
Supports L2 Ethernet, Fiber Channel, FCoE , DCE (future)
Basic Nexus 5020 software (includes Ethernet & Cisco DCE features only)
Nexus 5020 Storage Protocols Services License

1.66 GHz Intel LV Xeon

  Synchronous Dynamic RAM (SDRAM)
Here is the info regarding memory
DRAM2 GBytes of DDR2 400 (PC2 3200) in two DIMM slots
Program Store1 GBytes of USB based (NAND) Flash
Boot/BIOS2 Mbytes of EEPROM with locked recovery image
On-board Fault Log64 MBytes of Flash for failure analysis
Kernel Stack traces, boot record and fault logs
NVRAM2 Mbytes of SRAM – Syslog and licensing information
  Active VLANs
256 in initial software release (not hardware limited - to be increased subsequently)

  Multicast Entries
1K (hardware limit)

  Per VLAN Spanning Tree (PVST) and VLAN IDs
256 in current software release (We support 256 VLAN currently so the same apply to PVST)

  Spanning Tree Protocol Instances
3000 in current software release (not hardware limited – to be increased subsequently)

  Switched Virtual Interfaces (SVIs)
N/A (L2 only)

  Security and quality-of-service (QoS) hardware entries
Each unified port controller (there are 14) has a TCAM with 2048 ACE (28K total), it is divided as follow
Port ACLs : 768 ACEs
VLAN ACLs (ingress only) : 1024 ACEs
QoS ACLs(ingress only) : 64 ACEs
Control plane ACLs : 128 ACEs
SPAN and Diagnostic ACLs : 64 ACEs

  Mac Addresses
16, 000

  Switched Port Analyzer (SPAN)
2 active SPAN sessions

  USB Port

  Compact Flash Support

  System Reset Button

  Minimum Software Requirement
Cisco NX-OS Software Release 4.0(0)N1(1) or later