Brand: Lenovo

Product: ThinkSystem NE2552E Flex High Performance Switch

Form Factor:Flex System embedded I/O module

Ports Internal: 28x 10/25 Gb Ethernet ports or 14x 50 Gb Ethernet ports

Ports External: 8x SFP+/SFP28 ports and 4x QSFP+/QSFP28 ports

Media Types:

(external ports) 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 RJ-45 SFP+ transceivers

10 GbE SFP+ active optical cables

10 GbE SFP+ DAC cables

25 Gb Ethernet SFP28:

25 GbE SR SFP28 transceivers

25 GbE LR SFP28 transceivers

25 GbE SFP28 active optical cables

25 GbE SFP28 DAC cables

40 Gb Ethernet QSFP+:

40 GbE 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+ active optical cables

40 GbE QSFP+ to 4x 10 GbE SFP+ active optical breakout cables

40 GbE QSFP+ to QSFP+ DAC cables

40 GbE QSFP+ to 4x 10 GbE SFP+ DAC breakout cables

100 Gb Ethernet QSFP28:

100 GbE short-range (SR4) QSFP28 transceivers

100 GbE long-range (LR4) QSFP28 transceivers

100 GbE QSFP28 to QSFP28 active optical cables

100 GbE QSFP28 to 4x 25 GbE SFP28 active optical breakout cables

100 GbE QSFP28 to QSFP28 DAC cables

100 GbE QSFP28 to 4x 25 GbE SFP28 DAC breakout cables

100 GbE QSFP28 to 2x 50 GbE QSFP28 DAC breakout cables (not supplied by Lenovo)

Port Speeds:

Internal ports: 10 Gbps, 25 Gbps, or 50 [2x 25] Gbps (25/50 Gbps auto-negotiation)

10 GbE SFP+ transceivers, DAC cables, and AOCs: 10 Gbps

25 GbE SFP28 transceivers, DAC cables, and AOCs: 25 Gbps

40 GbE QSFP+ SR BiDi/SR4/LR4 transceivers: 40 Gbps

40 GbE QSFP+ iSR4/eSR4 transceivers, DAC cables, and AOCs: 40 Gbps or 4x 10 Gbps

100 GbE QSFP28 DAC cables: 100 Gbps, 2x 50 [2x 25] Gbps, or 4x 25 Gbps

100 GbE QSFP28 SR4 transceivers and AOCs: 100 Gbps or 4x 25 Gbps

100 GbE QSFP28 LR4 transceivers: 100 Gbps

Software Features:

Lenovo Enterprise Networking OS:

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), Hot Links, Layer 2 failover, quality of service (QoS), Switch Partitioning (SPAR), IPv4/IPv6 management, IPv4/IPv6 routing, IPv4 virtual router redundancy protocol (VRRP), virtual NICs, Unified Fabric Port (UFP), Converged Enhanced Ethernet, Fibre Channel over Ethernet (FCoE) transit switch operations.

Performance:Non-blocking architecture with wire-speed forwarding of traffic:

100% line-rate performance

Up to 2.6 Tbps aggregated throughput

As low as 480 ns (QSFP28) or 529 ns (SFP28) port-to-port switching latency

Up to 1934 Million packets per second (Mpps)

Up to 9216-byte jumbo frames

Buffer size: 22 MB

Scalability:

MAC address forwarding database entries: 103 000

VLANs: 4095

Per VLAN Rapid Spanning Tree (PVRST) instances: 128

Multiple STP (MSTP) instances: 32

Link aggregation groups: 52

Ports in a link aggregation group: 32

Maximum ACL entries (IPv4 / IPv6 / VLAN): 256 / 128 / 128

Static routes (IPv4 / IPv6): 128 / 128

Dynamic routes (IPv4 / IPv6): 2000 / 600

Hot-swap parts: SFP+/SFP28/QSFP+/QSFP28 transceivers, DAC cables, and AOCs.

Management ports:2x 1 GbE internal ports connected to the chassis management module; 1x 10/100/1000 Mb Ethernet EXTM external port (RJ-45); 1x RS-232 external port (Mini-USB).

Management interfaces:Browser-based Interface (BBI); Industry-standard command line interface (ISCLI); SNMP; NETCONF (XML); Lenovo XClarity Administrator; Lenovo Networking Content Pack for VMware vRealize Log Insight; Lenovo Networking Neutron Plugin for OpenStack-based environments; Ansible support for IT automation.

Security features:Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security; LDAP/LDAPS, RADIUS, and TACACS+ authentication; access control lists (ACLs); port-based network access control (IEEE 802.1x).

Mean Time Between Failures:300,000 hours MTBF with ambient operating temperature of 25° C (77° F).

Dimensions:Height: 30 mm (1.2 in.); width: 401 mm (15.8 in.); depth: 317 mm (12.5 in.)

Weight:3.7 kg (8.1 lb).

Warranty: 1 Year customer-replaceable unit limited warranty. When installed in a supported chassis, the switch assumes the chassis’ base warranty and any warranty service upgrade; warranty includes Networking OS software upgrades.