System specifications
The following table lists the NE1032 RackSwitch system specifications.
Note: The supported hardware options and software features listed in this product guide are based on the
Lenovo Cloud Networking Operating System (CNOS) version 10.4.2. For details about specific CNOS
software releases that introduced support for certain hardware options and software features, refer to the
Change history of the particular software release that can be found at:
http://datacentersupport.lenovo.com/us/en/products/networking/rackswitch/NE1032/downloads
Table 1. NE1032 RackSwitch system specifications
Component
Specification
Form factor
1U rack mount
Ports
32x SFP/SFP+ ports
Media types
10 Gb Ethernet SFP+:
10 GbE short-range (SR) SFP+ transceivers
10 GbE long-range (LR) SFP+ transceivers
10 GbE extended-range (ER) SFP+ transceivers
10 GbE SFP+ active optical cables
10 GbE SFP+ DAC cables
1/10 Gb Ethernet SFP+:
1/10 GbE SX/SR SFP+ transceivers
1 Gb Ethernet SFP:
1 GbE short-wavelength (SX) SFP transceivers
1 GbE long-wavelength (LX) SFP transceivers
1 GbE RJ-45 SFP transceivers
Port speeds
10 GbE SFP+ transceivers, DAC cables and AOCs: 10 Gbps
1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps
1 GbE SFP transceivers: 1 Gbps
Switching method Cut-through.
Data traffic types
Unicast, multicast, broadcast.
Software features Lenovo Cloud Networking OS (CNOS):
Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging,
spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs (vLAGs),
quality of service (QoS), IPv4/IPv6 management, IPv4/IPv6 routing, IPv4/IPv6 virtual router
redundancy protocol (VRRP), IPv4/IPv6 policy-based routing (PBR), Converged Enhanced
Ethernet, Network Policy Agent, Python scripting, REST API programming, Telemetry agent.
Performance
Non-blocking architecture with wire-speed forwarding of traffic:
100% line-rate performance
Up to 640 Gbps switching throughput
As low as 760 ns port-to-port switching latency
Up to 475 Million packets per second (Mpps)
Up to 9,216-byte jumbo frames
Buffer size: 12 MB
Scalability
MAC address forwarding database entries: 208,000
VLANs: 4,095 (3,999 user-configurable; 96 reserved)
Rapid Per VLAN Spanning Tree (RPVST) instances: 500
Multiple STP (MSTP) instances: 64
Link aggregation groups: 32
Active ports in a link aggregation group: 32
Lenovo ThinkSystem NE1032 RackSwitch
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