System Specifications - Lenovo ThinkSystem NE1072T Product Manual

System specifications

The following table lists the NE1072T RackSwitch system specifications.
Table 1. NE1072T RackSwitch system specifications
Component Specification
Form factor 1U rack mount (Machine Type 7159)
Ports
Media types 40 Gb Ethernet QSFP+:
10 Gb Ethernet fixed ports (10GBASE-T):
Port speeds
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:
Scalability
Cooling Five N+1 redundant hot-swap fans. Rear (non-port side) to front (port side) or front to rear
airflow.
Power supply Two load-sharing, redundant hot-swap 770 W AC (100 - 240 V) power supplies (each power
supply has an IEC 320-C14 connector).
Hot-swap parts QSFP+ transceivers, QSFP+ DAC cables, power supplies, fans.
Management 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (Mini-USB); 1x USB 2.0 port (for
ports additional firmware, log, and configuration files storage).
Lenovo ThinkSystem NE1072T RackSwitch
48x 10 Gb Ethernet fixed ports (RJ-45)
6x QSFP+ ports
40 GbE short-range (SR) QSFP+ bi-directional (BiDi) transceivers
40 GbE short-range (SR4/iSR4/eSR4) QSFP+ transceivers
40 GbE long-range (LR4) QSFP+ transceivers
40 GbE QSFP+ to QSFP+ direct attach copper (DAC) cables
40 GbE QSFP+ to 4x 10 GbE SFP+ DAC breakout cables
40 GbE QSFP+ to QSFP+ active optical cables (AOCs)
40 GbE QSFP+ to 4x 10 GbE SFP+ active optical breakout cables
RJ-45 UTP Category 6a or 7
40 GbE QSFP+ SR BiDi/SR4/LR4 transceivers: 40 GbE
40 GbE QSFP+ iSR4/eSR4 transceivers, DAC cables and AOCs: 40 GbE or 4x 10 GbE
10 GbE fixed ports: 100 Mbps / 1 Gbps / 10 Gbps auto-sensing
100% line-rate performance
Up to 720 Gbps switching throughput
Up to 9,216-byte jumbo frames
Buffer size: 12 MB
MAC address forwarding database entries: 128,000
VLANs: 4,095
Rapid Per VLAN Spanning Tree (RPVST) instances: 500
Multiple STP (MSTP) instances: 64
Link aggregation groups: 72
Ports in a link aggregation group: 32
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