Lenovo BES-53248 Ethernet Storage Switch User Guide

User Guide for Lenovo models including: BES-53248 Ethernet Storage Switch, BES-53248, Ethernet Storage Switch, Storage Switch, Switch
BES-53248 Ethernet Storage Switch for Lenovo

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BES-53248 Ethernet Storage Switch for Lenovo
Product Guide
The BES-53248 Ethernet Storage Switch for Lenovo is an IP SAN storage switch that is designed and optimized to provide dedicated Ethernet storage fabric, including storage clustering in the data center and between the local and remote sites, and it offers 10/25/40/100 Gb Ethernet connectivity with "pay-as-you-grow" scalability. The switch delivers line-rate, high-bandwidth lossless switching that keeps storage data traffic moving without delays, while the hot-swap redundant power supplies and system fans (along with numerous highavailability software features) help provide high availability for business-critical traffic. Running the Broadcom industry-leading Enterprise Fabric Operating System (EFOS), the BES-53248 Ethernet Storage Switches for Lenovo deliver production-ready networking software customized for IP storage solutions with advanced networking features and protocols required in the modern storage infrastructure for data center applications. The BES-53248 Ethernet Storage Switch for Lenovo has 48x SFP28/SFP+ ports that support 10 GbE SFP+ and 25 GbE SFP28 optical transceivers and direct attach copper (DAC) cables. The switch also offers 8x QSFP28/QSFP+ ports that support 40 GbE QSFP+ and 100 GbE QSFP28 optical transceivers and DAC cables. The BES-53248 Ethernet Storage Switches for Lenovo are ideally suited for enterprises of various sizes with all flash and NVMe IP Ethernet storage environments, as well as clustered storage deployments. The BES-53248 Ethernet Storage Switch for Lenovo is shown in the following figure.
Figure 1. BES-53248 Ethernet Storage Switch for Lenovo
Did you know?
The BES-53248 Ethernet Storage Switches for Lenovo are certified for MetroCluster IP deployments of the Lenovo ThinkSystem DM Series storage arrays. The BES-53248 Ethernet Storage Switches for Lenovo are optimized for quick and easy deployments by tightly integrating with the hardware. The BES-53248 Ethernet Storage Switches for Lenovo undergo extensive quality assurance testing to verify functional and system performance to accommodate the ever-increasing demands on storage network devices.

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Key features
The BES-53248 Ethernet Storage Switch for Lenovo offers the following features and benefits:
Provides validated, certified network interconnect for deploying clustered storage and MetroCluster IP configurations with the Lenovo ThinkSystem DM Series storage arrays.
Offers high scalability in a dense, 1U network switch with 48x SFP28/SFP+ ports and 8x QSFP28/QSFP+ ports to support IP storage clustering, iSCSI, NVMe over RoCE, and flash-based storage environments.
Enables cost-effective "pay-as-you-grow" scalability from 18 to 56 ports with Ports On Demand (POD).
Increases performance and flexibility for demanding storage workloads with a combination of ultra-low latency and non-blocking, line-rate switching and support for 10/25/40/100 Gbps Ethernet links.
Accelerates communications with lower latency across clustered applications and storage arrays with RDMA over Converged Ethernet (RoCE) and iWARP.
Optimizes IP storage fabric behavior and ensures sufficient bandwidth for mission-critical applications with congestion management and advanced traffic scheduling.
Simplifies deployment of large-scale environments by enabling a switch to automatically provision itself using the resources available on the network, without manual intervention, with Zero Touch Provisioning (ZTP) and AutoInstall.
Supplies a rich set of standard features at no extra cost, including scalability and performance, availability and redundancy, virtual local area networks, security, quality of service, IPv4/IPv6 routing and host management, virtualization, data center fabric, monitoring, and management.
Runs Enterprise Fabric OS, which deliver production-ready networking software customized for IP storage solutions with advanced networking features and protocols required in the modern storage infrastructure for data center applications.
Maximizes resiliency with redundant hot-swap system fans and power supplies, along with numerous highavailability software features.
Allows switch management integration into third-party management applications by supporting the REpresentational State Transfer (REST) Application Program Interface (API).

Components and connectors

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Components and connectors
The following figure shows the front (port-side) panel of the BES-53248 Ethernet Storage Switch for Lenovo.
Figure 2. Front panel of the BES-53248 Ethernet Storage Switch for Lenovo The front panel of the BES-53248 Ethernet Storage Switch for Lenovo includes the following components:
48x SFP28/SFP+ ports to attach SFP28/SFP+ transceivers or DAC cables for 25 Gb or 10 Gb Ethernet connections. 8x QSFP28/QSFP+ ports to attach QSFP28/QSFP+ transceivers or DAC cables for 100 Gb or 40 Gb Ethernet connections. One RJ-45 10/100/1000 Mb Ethernet port for out-of-band management. One RJ-45 RS-232 console port that provides another means to configure the switch. One USB 2.0 port for mass storage devices. LEDs that display the status of the switch and the network. The following figure shows the rear (non-port-side) panel of the BES-53248 Ethernet Storage Switch for Lenovo.
Figure 3. Rear panel of the BES-53248 Ethernet Storage Switch for Lenovo The rear panel of the BES-53248 Ethernet Storage Switch for Lenovo includes the following components:
Two redundant hot-swap 750 W AC power supplies (each with the IEC 320-C14 power connector). Six N+2 redundant hot-swap system fans.

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System specifications
The following table lists the BES-53248 Ethernet Storage Switch for Lenovo system specifications.
Note: The supported hardware options and software features listed in this product guide are based on the Enterprise Fabric Operating System (EFOS) version 3.4.4.6. For details about current and future EFOS software releases that introduce support for certain hardware options and software features, refer to the Release Notes for the particular software release.

Table 1. BES-53248 Ethernet Storage Switch for Lenovo system specifications

Attribute Form factor Ports Media types
Port speeds

Specification
1U rack mount
48x SFP ports (SFP28/SFP+) 8x QSFP ports (QSFP28/QSFP+)
10 Gb Ethernet SFP+: 10 GbE short-range (SR) SFP+ transceivers 10 GbE long-range (LR) SFP+ transceivers 10 GbE SFP+ DAC cables
25 Gb Ethernet SFP28: 25 GbE SR SFP28 transceivers 25 GbE SFP28 DAC cables
40 Gb Ethernet QSFP+: 40 GbE short-range (eSR4) QSFP+ transceivers 40 GbE QSFP+ to QSFP+ DAC cables
100 Gb Ethernet QSFP28: 100 GbE short-range (SR4) QSFP28 transceivers 100 GbE QSFP28 to QSFP28 DAC cables
10 GbE SFP+ transceivers and DAC cables: 10 Gbps 25 GbE SFP28 transceivers and DAC cables: 25 Gbps 40 GbE QSFP+ eSR4 transceivers and DAC cables: 40 GbE 100 GbE QSFP28 SR4 transceivers and DAC cables: 100 Gbps

Switching method Data traffic types Software features
Performance
Cooling Power supplies

Note: SFP28/SFP+ ports are combined into 12 consecutive 4-port groups: Ports 1-4, 5-8,9-12, 1316, 17-20, 21-24, 25-28, 29-32, 33-36, 37-40, 41-44, and 45-48. The SFP28/SFP+ port speed should be the same (10 Gbps or 25 Gbps) across all ports in the 4-port group.
Cut-through.
Unicast, multicast, broadcast.
Enterprise Fabric Operating System (EFOS): Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging, spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), Virtual Port Channels (VPCs), link dependency, quality of service (QoS), IPv4/IPv6 management, IPv4 routing (OSPF v2, BGP v4), IPv6 routing (OSPF v3), equal cost multiple paths (ECMP), IPv4/IPv6 virtual router redundancy protocol (VRRP), IPv4/IPv6 policy-based routing (PBR), IPv4 Internet Group Management Protocol (IGMP) v2/v3, IPv6 Multicast Listener Discovery (MLD), IPv4/IPv6 protocol independent multicast (PIM), Virtual Routing and Forwarding (VRF) Lite, Data Center Virtual Private Network (DCVPN) Gateway, OpenFlow 1.0 and 1.3, Converged Enhanced Ethernet (CEE).
Non-blocking architecture with wire-speed forwarding of traffic: 100% line-rate performance Up to 4 Tbps aggregated throughput Up to 1000 Million packets per second (Mpps) Up to 12 288-byte jumbo frames Buffer size: 32 MB
Six N+2 redundant hot-swap fans. Rear (non-port side) to front (port side) airflow.
Two load-sharing, redundant hot-swap 750 W AC (100 - 240 V) power supplies (each power supply has an IEC 320-C14 connector).

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Attribute

Specification

Hot-swap parts

SFP28/SFP+/QSFP28/QSFP+ transceivers and DAC cables; power supplies; system fans.

Management ports 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (RJ-45); 1x USB 2.0 port (for mass storage devices).

Management interfaces

Industry standard command line interface (isCLI); SNMP v1, V2, and v3; NETCONF (XML); RESTCONF (HTTP); AutoInstall; Zero Touch Provisioning (ZTP); RESTful API.

Security features

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

Warranty and support

One-year base warranty with 9x5 coverage and next business day parts delivered. Optional warranty service upgrades are available: 9x5 coverage with NBD onsite response (Foundation Service), 24x7 coverage with 4-hour onsite response (Essential Service). Software entitlement is included in the base warranty and warranty service upgrades for the duration of the warranty period. Note: Warranty service is provided by Broadcom and Tech Data.

Dimensions

Height: 43 mm (1.7 in.); width: 440 mm (17.3 in.); depth: 508 mm (20.0 in.).

Weight

9.7 kg (21.4 lb).

Models
Factory-integrated models of the BES-53248 are configured by using the Lenovo Data Center Solution Configurator (DCSC): http://dcsc.lenovo.com
The factory-integrated models of the switch and their components and options, which are all described in this product guide, use the Configure-to-Order (CTO) base model that is listed in the following table.

Table 2. CTO base model Description BES-53248 Ethernet Storage Switch: 16x SFP ports and 2x QSFP ports active, 2 PS

Machine Type/Model 7D2SCTO1WW

The following table lists the system unit bases for the BES-53248 Ethernet Storage Switches for Lenovo.

Table 3. System unit bases
Description BES-53248 Ethernet Storage Switch: 16x SFP and 2x QSFP Ports Active, 2 PS (North America) BES-53248 Ethernet Storage Switch: 16x SFP and 2x QSFP Ports Active, 2 PS

Feature code BB4R B7KP

The packaging for the BES-53248 Ethernet Storage Switch for Lenovo models include the following items:
One switch unit with two power supplies and six system fans. Two customer-selected power cables. RJ-45 to DB-9 serial console cable. Statement paper.
Configuration notes:
Power cables are not included and must be ordered together with the switch (see Power supplies and cables for details).
Transceivers and cables are not included and should be ordered for the switch (see Transceivers and cables for details).
The switch must be ordered together with the tool-less slide rail kit (see Rack installation).

Port activation licenses

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Port activation licenses
The BES-53248 Ethernet Storage Switch for Lenovo ships with 16x SFP and 2x QSFP licensed ports active (transceivers are not included). The remaining 32x SFP and 6x QSFP unlicensed ports can be activated by purchasing and installing the Ports on Demand (POD) licenses.
The following table lists the POD licenses for the BES-53248 Ethernet Storage Switch for Lenovo. You can use a combination of these part numbers to activate the ports you want to use. For example, consider the following scenarios:
To activate all ports, purchase three 7S0C001HWW, plus one 7S0C001NWW license. To activate the SFP ports purchase 1-4 7S0C001NWW licenses. To activate the QSFP ports purchase a single 7S0C001MWW license.

Table 4. POD license option
Description BES-53248 SW License: 8x SFP ports (no transceivers) BES-53248 SW License: 8x SFP and 2x QSFP ports (no transceivers) ** BES-53248 SW License: 6x QSFP ports (no transceivers)***

Feature Part number code 7S0C001NWW S5EJ 7S0C001HWW S2QR 7S0C001MWW S5EH

Maximum quantity 4*
1

Configuration note:
* Support a total of four of any mix of these licenses.
** For the first three POD licenses applied to the switch, each POD license activates 8x SFP and 2x QSFP ports. The fourth POD license applied to the switch activates the remaining 8x SFP ports.
*** A max of 6 additional QSFP+ ports can be activated when buying this license consider only pairing with the 7S0C001NWW.
Transceivers and cables
With the flexibility of the BES-53248 Ethernet Storage Switch for Lenovo, customers can choose the following connectivity technologies:
For 10 GbE links, customers can use SFP ports with 10 GbE SFP+ direct-attached copper (DAC) cables for distances up to 5 meters. For longer distances, the 10GBASE-SR SFP+ transceivers can be used for up to 300 meters on OM3 or up to 400 meters on OM4 MMF cables, and the 10GBASE-LR SFP+ transceivers can support distances up to 10 kilometers on SMF cables.
For 25 GbE links, customers can use SFP ports with 25 GbE SFP28 DAC cables for distances up to 5 meters. For longer distances, the 25GBASE-SR SFP28 transceivers can be used for up to 70 meters on OM3 or up to 100 meters on OM4 MMF cables.
For 40 GbE links, customers can use QSFP ports with QSFP+ to QSFP+ DAC cables for distances up to 5 meters. For longer distances, customers can use the 40GBASE-eSR4 QSFP+ transceivers for distances up to 300 meters on OM3 or up to 400 meters on OM4 MMF cables.
For 100 GbE links, customers can use QSFP ports with QSFP28 DAC cables for distances up to 5 meters. For longer distances, the 100GBASE-SR4 QSFP28 transceivers can be used for distances up to 70 meters on OM3 or up to 100 meters on OM4 MMF cables.
Note: SFP ports are combined into 12 consecutive 4-port groups: Ports 1-4, 5-8, 9-12, 13-16, 17-20, 21-24, 25-28, 29-32, 33-36, 37-40, 41-44, and 45-48. The SFP port speed should be the same (10 Gbps or 25 Gbps) across all ports in the 4-port group.

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The following tables list the supported cables and transceivers:
Optical transceivers and cables DAC cables UTP cables

Table 5. Optical transceivers and cables

Description

Feature Maximum Part number code quantity

Optical transceivers

Lenovo 10Gb SFP+ SR Transceiver (10GBASE-SR)

46C3447

5053 48

Lenovo 10Gb SFP+ LR Transceiver (10GBASE-LR)

00FE331

B0RJ 48

25Gb Ethernet Optical SFP28 Shortwave Module 1 Pack

4XF7A39597 B732 48

Lenovo 25Gb SR SFP28 Ethernet Transceiver

4M27A67041 BFH2 48

Lenovo 40GBASE-eSR4 QSFP+ Transceiver

00FE325

A5U9 8

100Gb Ethernet Optical QSFP28 Shortwave Module 1 Pack

4XF7A39598 B733 8

Lenovo 100Gb SR4 QSFP28 Ethernet Transceiver

4M27A67042 BFH1 8

OM3 optical cables for 10 GbE SR SFP+ and 25 GbE SR SFP28 optical transceivers

Lenovo 0.5m LC-LC OM3 MMF Cable

00MN499 ASR5 48

Lenovo 1m LC-LC OM3 MMF Cable

00MN502 ASR6 48

Lenovo 3m LC-LC OM3 MMF Cable

00MN505 ASR7 48

Lenovo 5m LC-LC OM3 MMF Cable

00MN508 ASR8 48

Lenovo 10m LC-LC OM3 MMF Cable

00MN511 ASR9 48

Lenovo 15m LC-LC OM3 MMF Cable

00MN514 ASRA 48

Lenovo 25m LC-LC OM3 MMF Cable

00MN517 ASRB 48

Lenovo 30m LC-LC OM3 MMF Cable

00MN520 ASRC 48

OM4 optical cables for 10 GbE SR SFP+ and 25 GbE SR SFP28 optical transceivers

Lenovo 0.5m LC-LC OM4 MMF Cable

4Z57A10845 B2P9 48

Lenovo 1m LC-LC OM4 MMF Cable

4Z57A10846 B2PA 48

Lenovo 3m LC-LC OM4 MMF Cable

4Z57A10847 B2PB 48

Lenovo 5m LC-LC OM4 MMF Cable

4Z57A10848 B2PC 48

Lenovo 10m LC-LC OM4 MMF Cable

4Z57A10849 B2PD 48

Lenovo 15m LC-LC OM4 MMF Cable

4Z57A10850 B2PE 48

Lenovo 25m LC-LC OM4 MMF Cable

4Z57A10851 B2PF 48

Lenovo 30m LC-LC OM4 MMF Cable

4Z57A10852 B2PG 48

OM4 optical cables for 40 GbE QSFP+ and 100 GbE QSFP28 SR4 transceivers

Lenovo 5m MPO-MPO OM4 MMF Cable

7Z57A03567 AV25 8

Lenovo 7m MPO-MPO OM4 MMF Cable

7Z57A03568 AV26 8

Lenovo 10m MPO-MPO OM4 MMF Cable

7Z57A03569 AV27 8

Lenovo 15m MPO-MPO OM4 MMF Cable

7Z57A03570 AV28 8

Lenovo 20m MPO-MPO OM4 MMF Cable

7Z57A03571 AV29 8

Lenovo 30m MPO-MPO OM4 MMF Cable

7Z57A03572 AV2A 8

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Table 6. DAC cables
Description SFP+ passive direct-attach copper cables - 10 GbE Lenovo 0.5m Passive SFP+ DAC Cable Lenovo 1m Passive SFP+ DAC Cable Lenovo 1.5m Passive SFP+ DAC Cable Lenovo 2m Passive SFP+ DAC Cable Lenovo 3m Passive SFP+ DAC Cable Lenovo 5m Passive SFP+ DAC Cable SFP28 passive direct-attach copper cables - 25 GbE Lenovo 1m Passive 25G SFP28 DAC Cable Lenovo 3m Passive 25G SFP28 DAC Cable Lenovo 5m Passive 25G SFP28 DAC Cable QSFP+ passive direct-attach copper cables - 40 GbE Lenovo 1m Passive QSFP+ DAC Cable Lenovo 3m Passive QSFP+ DAC Cable Lenovo 5m Passive QSFP+ DAC Cable QSFP28 direct attach copper cables - 100 GbE Lenovo 1m Passive 100G QSFP28 DAC Cable Lenovo 3m Passive 100G QSFP28 DAC Cable Lenovo 5m Passive 100G QSFP28 DAC Cable

Part number

Feature Maximum code quantity

00D6288 90Y9427 00AY764 00AY765 90Y9430 90Y9433

A3RG 48 A1PH 48 A51N 48 A51P 48 A1PJ 48 A1PK 48

7Z57A03557 AV1W 48 7Z57A03558 AV1X 48 7Z57A03559 AV1Y 48

49Y7890 49Y7891 00D5810

A1DP 8 A1DQ 8 A2X8 8

7Z57A03561 AV1Z 8 7Z57A03562 AV20 8 7Z57A03563 AV21 8

Table 7. UTP cables for 1 GbE management port
Description 0.6m Blue Cat5e Cable 1.5m Blue Cat5e Cable 3m Blue Cat5e Cable 10m Blue Cat5e Cable 25m Blue Cat5e Cable

Part number 40K5679 40K8785 40K5581 40K8927 40K8930

Feature Maximum code quantity 3801 1 3802 1 3803 1 3804 1 3805 1

The network cables that can be used with the switch are listed in the following table.

Table 8. BES-53248 Ethernet Storage Switch for Lenovo network cabling requirements

Transceiver 10 Gb Ethernet 10Gb SR SFP+ (46C3447)
10Gb LR SFP+ (00FE331) Direct attach copper cable 25 Gb Ethernet

Standard

Cable

10GBASE-SR 10GBASE-LR

Up to 30 m with fiber optic cables supplied by Lenovo (see Table 5); up to 300 m with OM3 or up to 400 m with OM4 multimode fiber optic cables.
1310 nm single-mode fiber optic cable up to 10 km.

10GSFP+Cu SFP+ to SFP+ DAC cables up to 5 m (seeTable 6).

Connector LC
LC SFP+

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Transceiver 25Gb SR SFP28 (4XF7A39597)
Direct attach copper cable 40 Gb Ethernet 40Gb eSR4 QSFP+ (00FE325)
Direct attach copper cable 100 Gb Ethernet 100Gb SR4 QSFP28 (4XF7A39598)
Direct attach copper cable Management ports 1 GbE port
RJ-45 serial port

Standard 25GBASE-SR
25GBASE-CR

Cable
Up to 30 m with fiber optic cables supplied by Lenovo (see Table 5); up to 70 m with OM3 or up to 100 m with OM4 multimode fiber optic cables.
SFP28 DAC cables up to 5 m (see Table 6).

Connector LC
SFP28

40GBASE-SR4 40GBASE-CR4

Up to 30 m with MPO-MPO fiber optic cables supplied by Lenovo (see Table 5); up to 300 m with OM3 or up to 400 m with OM4 multimode fiber optic cables.
QSFP+ to QSFP+ DAC cables up to 5 m (seeTable 6).

MPO QSFP+

100GBASE-SR4 Up to 30 m with MPO-MPO fiber optic cables supplied by

MPO

Lenovo (see Table 5); up to 70 m with OM3 or up to 100 m with

OM4 multimode fiber optic cables.

100GBASE-CR4 QSFP28 to QSFP28 DAC cables up to 5 m (seeTable 6).

QSFP28

1000BASE-T RS-232

Up to 25 m with UTP Category 5E cables supplied by Lenovo (see Table 7); UTP Category 5, 5E, or 6 cables up to 100 m.
DB-9 to RJ-45 cable (comes with the switch).

RJ-45 RJ-45

Software
The BES-53248 Ethernet Storage Switch for Lenovo with offers the following software features (more information can be found in documentation at on the BES-Switch Global Support: http://www.broadcom.com/support/besswitch):
Scalability and performance: Media access control (MAC) address learning with automatic updates Static and 802.3ad Link Aggregation Control Protocol (LACP) link aggregation groups (LAGs) Configurable load balancing over LAGs (source or destination MAC, VLAN, or IP) Broadcast, multicast, and unicast storm recovery IPv4 IGMP/IPv6 MLD snooping and querier to limit flooding of IP multicast traffic
Availability and redundancy: 802.1D Spanning Tree Protocol (STP) for providing Layer 2 (L2) redundancy 802.1s Multiple STP (MSTP) for topology optimization 802.1w Rapid STP (RSTP) for rapid convergence for delay-sensitive traffic, such as voice Per-VLAN STP (PVSTP) and Rapid PVST (RPVSTP) enhancements Unidirectional Link Detection (UDLD) protocol Link dependency to support active/standby NIC configurations on the connected nodes L2 Loop Protection to detect loops in downstream switches that do not run STP Forward Error Correction (FEC) on ports operating at 25 Gbps and 100 Gbps speeds
Virtual Local Area Networks (VLANs): Up to 4094 VLANs Port-based, MAC-based, and protocol-based VLANs 802.1Q VLANs and VLAN tagging on all ports 802.1Q-in-Q VLAN tunneling (Double VLAN [DVLAN]) Private VLANs Multicast VLAN Registration (MVR)
Security: MAC-, IPv4-, and IPv6-based access control lists (ACLs) Management access control and administration list (MACAL) 802.1x port-based network access control

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Protected ports Port security Multiple user IDs and passwords Privilege-based user access control Authentication and authorization through local user database, RADIUS, or TACACS+ Protection from Denial of Service (DoS) attacks DHCP snooping (IPv4/IPv6) IP Source Guard (IPv4/IPv6)
Quality of Service (QoS): IEEE 802.1p, IP ToS/DSCP, DiffServ, and ACL-based traffic classification and processing Multiple Class of Service (COS) queues per port for processing qualified traffic Tail dropping, Weighted Random Early Discard (WRED), or strict priority queue scheduling Traffic shaping and re-marking based on defined policies IPv4/IPv6 ACL metering
IP v4 Layer 3 functions: Host management Routed ports (Switch ports as Layer 3 interfaces) Address Resolution Protocol (ARP) and Proxy ARP IP forwarding IP filtering with ACLs Static routes Dynamic routing protocols: Routing Information Protocol (RIP) v1/v2 Open Shortest Path First (OSPF) v2 Border Gateway Protocol (BGP) v4 Distance Vector Multicast Routing Protocol (DVMRP) Equal Cost Multiple Paths (ECMP) Virtual Router Redundancy Protocol (VRRP) v3 Policy-based routing (PBR) Dynamic Host Configuration Protocol (DHCP) server, client, and relay operations Internet Group Management Protocol (IGMP) v2/v3 Protocol Independent Multicast (PIM) in Sparse Mode (PIM-SM) and Dense Mode (PIM-DM) Domain Name System (DNS) client
IPv6 Layer 3 functions: IPv6 host management Routed ports (Switch ports as Layer 3 interfaces) Neighbor Discovery IPv6 forwarding IPv6 filtering with ACLs Static routes Dynamic routing protocol: OSPF v3 ECMP VRRP v3 PBR DHCP server, client, and relay operations Multicast Listener Discovery (MLD) PIM-SM and PIM-DM DNS client
Virtualization: Virtual Port Channels (VPCs): Two peer switches form a single virtual entity for link aggregation (MLAG) Virtual Routing and Forwarding (VRF) Lite: Multiple routing domains on the same switch Data Center Virtual Private Network (DCVPN) Gateway: VXLAN/NVGRE communications with another network Software Defined Networking (SDN): OpenFlow 1.0 and 1.3

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Converged Enhanced Ethernet: Priority-Based Flow Control (PFC): Pausing traffic based on priority to eliminate frame loss due to congestion on a link Enhanced Transmission Selection (ETS): Allocating link bandwidth based on priority Congestion Notification (CN): Congestion management for loss- or latency-sensitive network data flows Data Center Bridging Capability Exchange Protocol (DCBX): Exchanging configuration information with directly connected peers
Monitoring: Switch LEDs for port status and switch status indication Port mirroring (Switched Port Analyzer [SPAN] / Remote SPAN [RSPAN] / Encapsulated RSPAN [ERSPAN]) Remote Monitoring (RMON) agent to collect statistics and monitor switch performance Buffered log, console log, and syslog for change tracking and logging Email alerts sFlow agent for monitoring traffic in data networks (an sFlow analyzer required elsewhere)
Manageability: Command line interface (CLI) Serial interface Telnet Secure Shell (SSH) v2 Scriptable CLI Simple Network Management Protocol (SNMP V1, V2, and V3) NETCONF (XML) RESTCONF (HTTP) AutoInstall and Zero Touch Provisioning (ZTP) for automated switch software image upgrade and configuration HTTP, HTTPS, TFTP, FTP, Secure FTP (sFTP), and Secure Copy (SCP) file transfer protocols Industry Standard Discovery Protocol (ISDP) for discovering Cisco devices running CDP Link Layer Discovery Protocol (LLDP) for discovering network devices Dual firmware images Simple Network Time Protocol (SNTP) and Precision Time Protocol (PTP) for switch clock synchronization RESTful API
Ethernet standards
The BES-53248 Ethernet Storage Switch for Lenovo supports the following IEEE Ethernet standards:
IEEE 802.1Q VLANs IEEE 802.3ac VLAN Tagging IEEE 802.1v Protocol-based VLANs IEEE 802.1D Spanning Tree Protocol (STP) IEEE 802.1s Multiple STP (MSTP) IEEE 802.1w Rapid STP (RSTP) IEEE 802.3ad Link Aggregation Control Protocol IEEE 802.1p Class of Service (CoS) prioritization IEEE 802.3x Full-duplex Flow Control IEEE 802.1Qau Congestion Notification (CN) IEEE 802.1Qaz Enhanced Transmission Selection (ETS) IEEE 802.1Qbb Priority-Based Flow Control (PFC) IEEE 802.3bj-CL91: Forward Error Correction (FEC) IEEE 802.1AB Link Layer Discovery Protocol (LLDP) IEEE 802.1AB Data Center Bridging Capability Exchange Protocol (DCBX) (LLDP extension) IEEE 802.3ae 10GBASE-SR short range fiber optics 10 Gb Ethernet IEEE 802.3ae 10GBASE-LR long range fiber optics 10 Gb Ethernet IEEE 802.3by 25GBASE-CR copper 25 Gb Ethernet IEEE 802.3by 25GBASE-SR short range fiber optics 25 Gb Ethernet IEEE 802.3ba 40GBASE-CR4 copper 40 Gb Ethernet

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IEEE 802.3ba 40GBASE-SR4 short range fiber optics 40 Gb Ethernet IEEE 802.3bj 100GBASE-CR4 copper 100 Gb Ethernet IEEE 802.3bm 100GBASE-SR4 short range fiber optics 100 Gb Ethernet IEEE 802.3 10BASE-T Ethernet (Ethernet management port only) IEEE 802.3u 100BASE-TX Fast Ethernet (Ethernet management port only) IEEE 802.3ab 1000BASE-T copper twisted pair Gigabit Ethernet (Ethernet management port only)

Cooling
The BES-53248 Ethernet Storage Switch for Lenovo provides rear-to-front airflow with six variable-speed, hotswap system fans with N+2 cooling redundancy.

Power supplies and cables
The BES-53248 Ethernet Storage Switch for Lenovo ships with two load-sharing, redundant hot-swap 750 W AC power supplies.
The BES-53248 Ethernet Storage Switch for Lenovo ships with two customer-selected power cables. The following table lists power cables that are available for selection (two power cables are required per switch).

Table 9. Power cable options
Description Rack power cables 1.0m, 10A/125-250V, C13 to IEC 320-C14 Rack Power Cable 1.0m, 13A/100-250V, C13 to IEC 320-C14 Rack Power Cable 1.2m, 16A/100-250V, 2 Short C13s to Short C20 Rack Power Cable 1.5m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable 1.5m, 13A/100-250V, C13 to IEC 320-C14 Rack Power Cable 2.0m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable 2.0m, 13A/125V-10A/250V, C13 to IEC 320-C14 Rack Power Cable 2.5m, 16A/100-250V, 2 Long C13s to Short C20 Rack Power Cable 2.8m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable 2.8m, 13A/125V-10A/250V, C13 to IEC 320-C14 Rack Power Cable 2.8m, 10A/100-250V, C13 to IEC 320-C20 Rack Power Cable 2.8m, 16A/100-250V, 2 Short C13s to Long C20 Rack Power Cable 4.1m, 16A/100-250V, 2 Long C13s to Long C20 Rack Power Cable 4.3m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable 4.3m, 13A/125V-10A/250V, C13 to IEC 320-C14 Rack Power Cable Line cords 2.8m, 10A/250V, C13 to AS/NZS 3112 Line Cord 2.8m, 10A/250V, C13 to BS 1363/A Line Cord 2.8m, 10A/250V, C13 to CEE7-VII Line Cord 2.8m, 10A/250V, C13 to CEI 23-16 Line Cord 2.8m, 10A/250V, C13 to CNS 10917-3 Line Cord 2.8m, 10A/250V, C13 to DK2-5a Line Cord 2.8m, 10A/250V, C13 to GB 2099.1 Line Cord 2.8m, 10A/250V, C13 to IRAM 2073 Line Cord 2.8m, 10A/250V, C13 to IS 6538 Line Cord 2.8m, 10A/250V, C13 to NBR 14136 Line Cord

Part number

Feature code

00Y3043 A4VP 4L67A08367 B0N5 47C2491 A3SW 39Y7937 6201 4L67A08368 B0N6 4L67A08365 B0N4 4L67A08369 6570 47C2492 A3SX 4L67A08366 6311 4L67A08370 6400 39Y7938 6204 47C2493 A3SY 47C2494 A3SZ 39Y7932 6263 4L67A08371 6583

39Y7924 39Y7923 39Y7917 39Y7921 81Y2375 39Y7918 39Y7928 39Y7930 39Y7927 69Y1988

6211 6215 6212 6217 6317 6213 6210 6222 6269 6532

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Description 2.8m, 10A/250V, C13 to NEMA 6-15P Line Cord 2.8m, 10A/250V, C13 to SABS 164 Line Cord 2.8m, 10A/250V, C13 to SEV 1011-S24507 Line Cord 2.8m, 10A/250V, C13 to SI 32 Line Cord 2.8m, 12A/125V, C13 to JIS C-8303 Line cord 2.8m, 12A/250V, C13 to JIS C-8303 Line Cord 2.8m, 12A/250V, C13 to KS C8305 Line Cord 2.8m, 10A/125V, C13 to NEMA 5-15P Line Cord 2.8m, 13A/125V, C13 to NEMA 5-15P Line Cord 2.8m, 15A/125V, C13 to CNS 10917-3 Line Cord 4.3m, 10A/250V, C13 to AS/NZS 3112 Line Cord 4.3m, 10A/250V, C13 to BS 1363/A Line Cord 4.3m, 10A/250V, C13 to CEE7-VII Line Cord 4.3m, 10A/250V, C13 to CEI 23-16 Line Cord 4.3m, 10A/250V, C13 to CNS 10917-3 Line Cord 4.3m, 10A/250V, C13 to DK2-5a Line Cord 4.3m, 10A/250V, C13 to GB 2099.1 Line Cord 4.3m, 10A/250V, C13 to IRAM 2073 Line Cord 4.3m, 10A/250V, C13 to IS 6538 Line Cord 4.3m, 10A/250V, C13 to NBR 14136 Line Cord 4.3m, 10A/250V, C13 to NEMA 6-15P Line Cord 4.3m, 10A/250V, C13 to SABS 164 Line Cord 4.3m, 10A/250V, C13 to SEV 1011-S24507 Line Cord 4.3m, 10A/250V, C13 to SI 32 Line Cord 4.3m, 12A/125V, C13 to JIS C-8303 Line Cord 4.3m, 12A/250V, C13 to JIS C-8303 Line Cord 4.3m, 12A/250V, C13 to KS C8305 Line Cord 4.3m, 10A/125V, C13 to NEMA 5-15P Line Cord 4.3m, 13A/125V, C13 to NEMA 5-15P Line Cord 4.3m, 15A/125V, C13 to CNS 10917-3 Line Cord

Part number

Feature code

46M2592 A1RF

39Y7922 6214

39Y7919 6216

39Y7920 6218

46M2593 A1RE

4L67A08357 6533

39Y7925 6219

90Y3016 6313

00WH545 6401

81Y2374 6402

81Y2383 6574

81Y2377 6577

81Y2376 6572

81Y2380 6493

81Y2389 6531

81Y2382 6575

81Y2378 6580

81Y2384 6492

81Y2386 6567

81Y2387 6404

4L67A08361 6373

81Y2379 6576

81Y2390 6578

81Y2381 6579

39Y7926 6335

4L67A08362 6495

81Y2385 6494

4L67A08359 6370

4L67A08360 AX8A

81Y2388 6530

Rack installation

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Rack installation
The BES-53248 Ethernet Storage Switch for Lenovo must be ordered together the tool-less slide rail kit. The toolless slide rail kit is used for installing the switch in a 4-post, IEC standard-compliant rack cabinet with square or round mounting holes and distance between front and rear mounting flanges from 685.8 mm (27 in.) to 812.8 mm (32 in.).
The following table lists the tool-less slide rail kit.

Table 10. Tool-less slide rail kit

Description BES Standard 4-post 19" Rack Mount Rail Kit * Field upgrade only; ships in a separate box.

Feature Part number code Quantity
4M17A60883 None* 1

Configuration note: The switch must be ordered together with the BES Standard 4-post 19" Rack Mount Rail Kit.

Physical specifications
The BES-53248 Ethernet Storage Switch for Lenovo has the following dimensions and weight (approximate):
Height: 43 mm (1.7 in.) Width: 440 mm (17.3 in.) Depth: 508 mm (20.0 in.) Weight (maximum): 9.7 kg (21.4 lb)

Operating environment
The BES-53248 Ethernet Storage Switch for Lenovo is supported in the following operating environment:
Temperature: 0 - 45 ºC (32 - 113 ºF). Relative humidity: 10 - 90% (Non-condensing) Altitude: Up to 900 m (2,952 feet) Acoustic noise: Less than 70 dB Electrical input:
100 - 240 V AC auto-switching, 50 / 60 Hz 3.3 A max (100 V AC), 1.65 A max (200 V AC) Power consumption Typical: 229 W Maximum: 330 W Heat dissipation Typical: 782 BTU/hour Maximum: 1127 BTU/hour

Warranty and support
The warranty service for the BES-53248 Ethernet Storage Switch for Lenovo is provided by Broadcom and Tech Data. Customers should submit service tickets for switch-related issues through the support portal or by calling one of the dedicated numbers found here: http://servicesbytechdata.force.com/BESSwitch/s/login/
In the environments with the BES-53248 Ethernet Storage Switches for Lenovo and Lenovo ThinkSystem DM Series, customers may submit service tickets to Lenovo. Lenovo will perform problem determination and resolution for DM Series-related issues and escalate to Tech Data, on behalf of the customer, for switch-related problem determination. Broadcom or Tech Data will contact the customer and will own the switch-related problem resolution until closure.

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The BES-53248 Ethernet Storage Switch for Lenovo comes with a 1-year base warranty with 9x5 Next Business Day (NBD) parts delivered and includes entitlement to code fixes and updates over that period. Also available are warranty service upgrades, with a well-defined scope of services, including service hours, response time, term of service, and service agreement terms and conditions.
The following warranty service upgrades are available for the BES-53248 Ethernet Storage Switch for Lenovo:
3 or 5 years of warranty service coverage Foundation Service: 9x5 service coverage with next business day onsite response Essential Service: 24x7 service coverage with 4-hour onsite response
Notes:
The options installed in the switch assume the switch's base warranty and any warranty service upgrade for the switch. Any cable- or transceiver-specific issues will be transferred to Lenovo for resolution.
Warranty service upgrades include entitlement to code fixes and updates over the duration of the selected service coverage period.
The following table lists warranty service upgrades that are available for the BES-53248 Ethernet Storage Switch for Lenovo.

Table 11. Warranty service upgrades
Description BES-53248 Foundation Service - 3Yr 9X5 Next Business Day Response BES-53248 Foundation Service - 5Yr 9X5 Next Business Day Response BES-53248 Essential Service - 3Yr 24x7x365 4Hr Response BES-53248 Essential Service - 5Yr 24x7x365 4Hr Response

Feature Part number code 7S0C001DWW S2CN 7S0C001EWW S2CP 7S0C001FWW S2CQ 7S0C001GWW S2CR

Lenovo warranty service upgrade offerings are region-specific. Not all warranty service upgrades are available in every region. For information about Lenovo warranty service upgrade offerings that are available in your region, refer to the following resource:
Service upgrade part numbers for the BES-53248 Ethernet Storage Switch for Lenovo in the DCSC: https://dcsc.lenovo.com/#/software?id=STG%40Software%40Other%20SW%40BES53248
Contact a local Lenovo representative for details on region-specific support and details on response times.
Some regions might have different warranty terms and conditions than the standard warranty. Local Lenovo sales representatives can assist in explaining region-specific terms when needed. Examples of region-specific warranty terms are second or longer business day parts delivery or parts-only warranty.
If warranty terms and conditions include onsite labor for repair or replacement of parts, a service technician is dispatched to the customer site to perform the replacement.
If warranty terms include parts-only warranty, only replacement parts that are under warranty will be sent to a requested location for self-service. Parts-only service does not include a service technician being dispatched onsite. Parts must be changed at customer's own cost and labor and defective parts must be returned following the instructions supplied with the spare parts.
For service definitions, region-specific details, and service limitations, please refer to the following resources:
BES-Switch Support and Services User Guide http://docs.broadcom.com/doc/bes-switch-end-user-support-user-guide
BES-Switch Contact Switch Support http://servicesbytechdata.force.com/BESSwitch
Note: These resources might contain additional SLA options that are not offered by Lenovo. Please contact a local Lenovo sales representative in your region for any specific questions.

Regulatory compliance

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Regulatory compliance
The BES-53248 Ethernet Storage Switch for Lenovo conforms to the following regulations:
Safety: UL cUL CB CCC BSMI
Electromagnetic compatibility (EMC): FCC CE VCCI CCC BSMI
Environmental: Reduction of Hazardous Substances (ROHS) 6

Storage connectivity
The following table lists the external storage systems that are currently offered by Lenovo that can be used with the BES-53248 Ethernet Storage Switches for Lenovo for storage clustering and MetroCluster IP configurations.

Table 12. External storage systems: DM Series
Description Lenovo ThinkSystem DM Series Storage (NAS or iSCSI connectivity) ThinkSystem DM3000H, 48TB (12x 4TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM3000H, 48TB (12x 4TB HDDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM3000H, 96TB (12x 8TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM3000H, 96TB (12x 8TB HDDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 11.5TB (12x 960GB SSDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 11.5TB (12x 960GB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 14.4TB (12x 1.2TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 21.6TB (12x 1.8TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 23TB (24x 960GB SSDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 23TB (24x 960GB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 28.8TB (24x 1.2TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 28.8TB (24x 1.2TB HDDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 43.2TB (24x 1.8TB HDDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 43.2TB (24x 1.8TB HDDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 46TB (12x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 46TB (12x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000H, 92TB (24x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 Fundamentals ThinkSystem DM5000H, 92TB (24x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000F, 11.5TB (12x 960GB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000F, 23TB (24x 960GB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000F, 46TB (12x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 ThinkSystem DM5000F, 92TB (24x 3.84TB SSDs), 10GBASE-T, ONTAP 9.5 Lenovo ThinkSystem DM Series Storage (NAS, iSCSI, or FC connectivity) ThinkSystem DM3000H Hybrid Storage Array (2U12 LFF, CTO only)

Part number
7Y421003EA* 7Y421007EA* 7Y421005EA* 7Y421001EA* 7Y571004EA* 7Y57100LEA* 7Y57100CEA* 7Y57100GEA* 7Y571006EA* 7Y57100NEA* 7Y57100EEA* 7Y57100VEA* 7Y57100JEA* 7Y571002EA* 7Y571008EA* 7Y57100QEA* 7Y57100AEA* 7Y57100REA* 7Y411002EA* 7Y411004EA* 7Y411006EA* 7Y411007EA*
7Y42CTO1WW

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Description

Part number

ThinkSystem DM3000H, 48TB (12x 4TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y421009NA*

ThinkSystem DM3000H, 48TB (12x 4TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y421002EA*

ThinkSystem DM3000H, 48TB (12x 4TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y421006EA*

ThinkSystem DM3000H, 96TB (12x 8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y421004EA*

ThinkSystem DM3000H, 96TB (12x 8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y421008EA*

ThinkSystem DM5000H Hybrid Storage Array (2U24 SFF, CTO only)

7Y57CTO1WW

ThinkSystem DM5000H, 11.5TB (12x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y571011NA*

ThinkSystem DM5000H, 11.5TB (12x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y571003EA*

ThinkSystem DM5000H, 11.5TB (12x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y57100KEA*

ThinkSystem DM5000H, 14.4TB (12x 1.2TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals

7Y57100BEA*

ThinkSystem DM5000H, 21.6TB (12x 1.8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals

7Y57100FEA*

ThinkSystem DM5000H, 23TB (24x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y571005EA*

ThinkSystem DM5000H, 23TB (24x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y57100MEA*

ThinkSystem DM5000H, 28.8TB (24x 1.2TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals

7Y57100DEA*

ThinkSystem DM5000H, 43.2TB (24x 1.8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals

7Y571010NA*

ThinkSystem DM5000H, 43.2TB (24x 1.8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals

7Y57100HEA*

ThinkSystem DM5000H, 43.2TB (24x 1.8TB HDDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y57100ZEA*

ThinkSystem DM5000H, 46TB (12x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y571007EA*

ThinkSystem DM5000H, 46TB (12x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y57100PEA*

ThinkSystem DM5000H, 92TB (24x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5 Fundamentals 7Y571009EA*

ThinkSystem DM5000H, 92TB (24x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y57100SEA*

ThinkSystem DM5000F Flash Storage Array (2U24 SFF, CTO only)

7Y41CTO1WW

ThinkSystem DM5000F, 11.5TB (12x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y411001EA*

ThinkSystem DM5000F, 23TB (24x 960GB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y411003EA*

ThinkSystem DM5000F, 46TB (12x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y411005EA*

ThinkSystem DM5000F, 92TB (24x 3.84TB SSDs), 16Gb FC / 10GbE SFP+, ONTAP 9.5

7Y411000EA*

ThinkSystem DM7000H Hybrid Storage Array (3U, CTO only)

7Y56CTO1WW

ThinkSystem DM7000F Flash Storage Array (3U, CTO only)

7Y40CTO1WW

ThinkSystem DM7100H Hybrid Storage Array (4U, CTO only)

7D26CTO1WW

ThinkSystem DM7100F Flash Storage Array (4U, CTO only)

7D25CTO1WW

* Preconfigured models that are available only in North America (part numbers that have NA at the end) or EMEA (part numbers that have EA at the end) and require Preconfigured support to be purchased with the storage system (See the respective product guide for details).

For more information, see the list of Product Guides in the Lenovo Storage category: http://lenovopress.com/storage/san/lenovo#rt=product-guide

Related publications and links

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Related publications and links
For more information, see the following resources:
BES-53248 Switch Lenovo Welcome Letter https://download.lenovo.com/storage/bes_switch_lenovo_welcome_letter_july_2021.pdf
BES-53248 MetroCluster IP Configuration http://thinksystem.lenovofiles.com/storage/help/topic/MCCMetroCluster_IP_Installation_and_Configuration_Guide/5F52B0DD-3DE1-4D0C-BBE2FDA96EC47E68_.html
Lenovo Data Center Networking product page https://www.lenovo.com/us/en/c/data-center/storage/storage-area-network
Lenovo Data Center Solution Configurator http://dcsc.lenovo.com
BES-Switch Global Support: http://www.broadcom.com/support/bes-switch Port License Redemption Download the latest EFOS releases Product documentation Support Access guides in multiple languages Contact switch support
Related product families
Product families related to this document are the following:
Rack SAN Switches

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Notices
Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any other product, program, or service. Lenovo may have patents or pending patent applications covering subject matter described in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to:
Lenovo (United States), Inc. 8001 Development Drive Morrisville, NC 27560 U.S.A. Attention: Lenovo Director of Licensing
LENOVO PROVIDES THIS PUBLICATION "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.
This information could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. Lenovo may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time without notice.
The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments and is presented as an illustration. The result obtained in other operating environments may vary. Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk. Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment.
© Copyright Lenovo 2022. All rights reserved.
This document, LP1226, was created or updated on October 19, 2021.
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Trademarks
Lenovo and the Lenovo logo are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at https://www.lenovo.com/us/en/legal/copytrade/.
The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo® ThinkSystem®
Other company, product, or service names may be trademarks or service marks of others.

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References

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