Lenovo RackSwitch G8124E
Product Guide
The Lenovo RackSwitch™ G8124E (as shown in the following figure) delivers exceptional performance that
is lossless and low latency. In addition, the G8124E delivers excellent cost savings as you consider
acquisition costs, energy costs, plus its feature-rich design with when it comes to virtualization,
CEE/FCoE, high availability, and its enterprise class Layer 2 and Layer 3 functionality.
With support for 1 Gb Ethernet or 10 Gb Ethernet, the G8124E switch is designed for those clients that use
10 GbE today or plan to in the future. This switch is the first top of rack (TOR) 10 GbE switch that supports
Lenovo Virtual Fabric, which helps clients significantly reduce cost and complexity when it comes to the
I/O requirements of most virtualization deployments. Virtual Fabric can help clients reduce the number of
multiple I/O adapters down to a single dual-port 10 GbE adapter and reduce the required number of
cables and upstream switch ports.
Figure 1. Lenovo RackSwitch G8124E
Did you know?
The G8124E switch is designed to support several types of configurations from a server or downstream
switches: 1 Gb, 10 Gb, virtual NIC, Converged Enhanced Ethernet (CEE/FCoE), and iSCSI. This single
switch can handle all of these workloads and can connect to an upstream 1 Gb or 10 Gb infrastructure, or
both.
The G8124E supports data center bridging (DCB), which is the IEEE’s group of protocols that provide
Lossless Ethernet and allows for clients to reduce the costs of implementing FCoE by using port
aggregation before connecting to more costly upstream gateway devices.
The G8124E can be configured in "easy connect" mode to allow for transparent and simple connectivity to
the upstream network, which enables easy connectivity to upstream Cisco, Juniper, or other networks
without changing those networks.
Virtual Fabric helps clients reduce costs and complexity in environments where they need four or more
NICs per server. A perfect example is virtualization, where clients often need as many as eight NICs per
dual-port 10 GbE adapter installed in a server.
The G8124E can help clients reduce the complexity of managing VMs and VM migration with VMready®
feature that makes the network VM-aware.
Check for Updates
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Key features
The RackSwitch G8124E switch is considered particularly suited for the following customers:
Customers who need ultra-low latency 10 GbE networking
Customers who need to converge their SAN and LAN and need a FCoE transit switch
Customers who need ways to reduce cost (CAPEX):
Converge LAN and SAN traffic
Purchase fewer adapters, transceivers, and cables per server
Reduce upstream switching costs; fewer ports
Customers who need to reduce complexity (OPEX):
Fewer adapters to manage
Manage fewer cables, which helps reduce potential points of failure
Ability to standardize on Ethernet from all servers; Ethernet for all connectivity in a rack
Ability to push out FC split to the end of the row
The RackSwitch G8124E offers the following features and benefits:
High performance
The 10 GbE low latency (as low as 570 nanoseconds) switch provides the best combination of
extremely low latency, non-blocking line-rate switching, and ease of management.
Lower power and better cooling
The G8124E uses as little power as two 60 W light bulbs, which is a fraction of the power
consumption of most competitive offerings. The G8124E rear-to-front cooling design reduces data
center air conditioning costs by having airflow match the servers in the rack. In addition, variable
speed fans assist in automatically reducing power consumption.
Virtual Fabric
Virtual Fabric can help customers address I/O requirements for multiple NICs while also helping
reduce cost and complexity. Virtual Fabric allows for the carving up of a physical NIC into multiple
virtual NICs (up to 4 vNICs per 10 Gb physical port) and creates a virtual pipe between the adapter
and the switch for improved performance, availability, and security while reducing cost and
complexity.
VM-aware networking
VMready software on the switch helps reduce configuration complexity while significantly improving
security levels in virtualized environments. VMready automatically detects virtual machine
movement from one physical server to another and instantly reconfigures each VM’s network
policies across VLANs to keep the network up and running without interrupting traffic or impacting
performance. VMready works with all leading VM providers, such as VMware, Citrix Xen, and
Microsoft Hyper-V.
Layer 3 functionality
The switch includes Layer 3 functionality, which provides security and performance benefits as
inter-VLAN traffic stays within the chassis. This switch also provides the full range of Layer 3
protocols from static routes for technologies, such as Open Shortest Path First (OSPF) and Border
Gateway Protocol (BGP) for enterprise customers.
Seamless interoperability
RackSwitch switches interoperate seamlessly with other vendors' upstream switches.
Fault tolerance
These switches learn alternative routes automatically and perform faster convergence if there is a
link, switch, or power failure. The switch uses proven technologies, such as L2 trunk failover,
advanced VLAN-based failover, VRRP, Hot Links, IGMP V3 snooping, and OSPF.
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Converged fabric
The switch supports CEE/DCB and connectivity to FCoE gateways. CEE helps enable clients to
combine storage, messaging traffic, VoIP, video, and other data on a common data center Ethernet
infrastructure. FCoE helps enable highly efficient block storage over Ethernet for consolidating
server network connectivity. As a result, clients can deploy a single server interface for multiple data
types, which can simplify deployment and management of server network connectivity while
maintaining the high availability and robustness that is required for storage transactions.
Transparent networking capability
With a simple configuration change to Easy Connect mode, the RackSwitch G8124E becomes a
transparent network device that is invisible to the core, which eliminates network administration
concerns of Spanning Tree Protocol configuration and interoperability and VLAN assignments and
avoids any possible loops. By emulating a host NIC to the data center core, it accelerates the
provisioning of VMs by eliminating the need to configure the typical access switch parameters.
Components and connectors
The front panel of the RackSwitch G8124E is shown in the following figure.
Figure 2. Front panel of the RackSwitch G8124E
The front panel of the G8124E features the following components:
LEDs that display the status of the switch and the network.
One Mini-USB RS-232 console port that provides another means to configure the switch.
24x SFP/SFP+ ports to attach SFP/SFP+ transceivers for 1 Gb or 10 Gb Ethernet connections or
DAC cables for 10 Gb Ethernet connections.
Two RJ-45 10/100/1000 Mb Ethernet ports for out-of-band management.
The rear panel of the RackSwitch G8124E is shown in the following figure.
Figure 3. Rear panel of the RackSwitch G8124E
The rear panel of the G8124E features the following components:
Two redundant fixed 275 W AC (100 - 240 V) power supplies (IEC 320-C14 power connector)
Six fixed fans that provide N+1 redundancy
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System specifications
The following table lists the RackSwitch G8124E system specifications.
Table 1. System specifications
Component
Specification
Form factor
1U rack mount
Ports
24x SFP/SFP+ ports
SFP/SFP+ 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+ direct attach copper (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
Data traffic types
10 GbE SFP+ transceivers and DAC cables: 10 Gbps
1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps
1 GbE SFP transceivers: 1 Gbps
Unicast, multicast, broadcast.
Software features Lenovo 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), VMready, IPv4/IPv6 management,
IPv4/IPv6 routing, IPv4 virtual router redundancy protocol (VRRP), virtual NICs, 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 480 Gbps aggregated throughput
As low as 570 nanoseconds switching latency
Up to 9,216-byte jumbo frames
Scalability
MAC address forwarding database entries: 16,000
VLANs: 4,095
Per VLAN Rapid Spanning Tree (PVRST) instances: 128
Multiple STP (MSTP) instances: 32
Link aggregation groups: 16
Ports in a link aggregation group: 12
Cooling
Six 5+1 redundant fixed fans. Rear (non-port side) to front (port side) or front to rear airflow.
Power supply
Two load-sharing, redundant fixed 275 W AC (100 - 240 V) power supplies (1x IEC 320C14 connector on each power supply).
Hot-swap parts
SFP/SFP+ transceivers, SFP+ DAC cables.
Management
ports
2x 10/100/1000 Mb Ethernet ports (RJ-45); 1x RS-232 port (Mini-USB).
Management
interfaces
Industry standard command line interface (isCLI); SNMP v1 and v3; Netconf (XML). Optional
Lenovo Switch Center. Optional Lenovo XClarity for discovery, inventory, monitoring and
events.
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Component
Specification
Security features
Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security; Role-based
Access Control (RBAC); LDAP, RADIUS, and TACACS+ authentication; access control lists
(ACLs); port-based network access control (IEEE 802.1x).
Hardware
warranty
Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day
terms. Optional warranty service upgrades are available through Lenovo: 24x7 coverage, 2hour or 4-hour response time, 1-year or 2-year warranty extensions, 1-year or 3-year Remote
Technical Support (RTS).
Software
maintenance
Three-year software support and subscription is included in the base warranty. Optional 1year and 2-year warranty extensions include software support and subscription.
Mean Time
Between Failures
189,060 hours with ambient operating temperature of 40° C.
Dimensions
Height: 44 mm (1.7 in.); width: 439 mm (17.3 in.); depth: 381 mm (15.0 in.)
Weight
6.4 kg (14.1 lb).
Models
The following table lists the G8124E switch models.
Table 2. G8124E switch models
Description
Part
number
Machine
Type-Model
Feature
code
Lenovo RackSwitch G8124E (Rear to Front)
7159BR6
7159-HC9
AT0B
Lenovo RackSwitch G8124E (Front to Rear)
7159BF7
7159-HC7
AT0C
The part numbers for the G8124E switches include the following items:
One Lenovo RackSwitch G8124E switch
Generic Rack Mount Kit (2-post)
Console Cable Kit:
RJ-45 (plug) to RJ-45 (plug) serial cable (1 m)
Mini-USB to RJ-45 (jack) adapter cable (0.2 m) with retention clip
DB-9 to RJ-45 (jack) adapter
Warranty Flyer
Important Notices Flyer
Documentation CD-ROM
Configuration notes:
Power cables are not included and must be ordered together with the switch (see "Power supplies
and cables" for details).
SFP/SFP+ transceivers and cables are not included and must be ordered together with the switch
(see "Transceivers and cables" for details).
Transceivers and cables
With the flexibility of the G8124E switch, customers can choose the following connectivity technologies:
For 1 GbE links, customers can use RJ-45 SFP transceivers with UTP cables up to 100 meters.
Customers that need longer distances can use a 1000BASE-SX transceiver, which can drive
distances up to 220 meters with 62.5 µ multi-mode fiber (OM1) and up to 550 meters with 50 µ
multi-mode fiber (OM2), or the 1000BASE-LX transceivers that support distances up to 10
kilometers with single-mode fiber (1310 nm).
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For 10 GbE links, customers can use direct-attached copper (DAC) SFP+ cables for in-rack cabling
for distances up to 7 meters. These DAC cables have SFP+ connectors on each end, and they do
not need separate transceivers.
For longer distances, the 10GBASE-SR transceiver can support distances up to 300 meters over
OM3 multimode fiber or up to 400 meters over OM4 multimode fiber. The 10GBASE-LR
transceivers can support distances up to 10 kilometers on single mode fiber.
For extended distances, the 10GBASE-ER transceivers can support distances up to 40 kilometers
on single mode fiber.
The supported cables and transceivers are listed in the following table.
Table 3. Supported SFP/SFP+ transceivers and DAC cables
Part
number
Maximum
Feature quantity
code
supported
Lenovo 1000BASE-T (RJ-45) SFP Transceiver (no support for 10/100 Mbps)
00FE333
A5DL
24
Lenovo 1000BASE-SX SFP Transceiver
81Y1622
3269
24
Lenovo 1000BASE-LX SFP Transceiver
90Y9424
A1PN
24
Lenovo Dual Rate 1/10Gb SX/SR SFP+ Transceiver
00MY034
ATTJ
24
Lenovo 10GBASE-SR SFP+ Transceiver
46C3447
5053
24
Lenovo 10GBASE-LR SFP+ Transceiver
90Y9412
A1PM
24
Lenovo 10GBASE-ER SFP+ Transceiver
90Y9415
A1PP
24
Lenovo 0.5m LC-LC OM3 MMF Cable
00MN499
ASR5
24
Lenovo 1m LC-LC OM3 MMF Cable
00MN502
ASR6
24
Lenovo 3m LC-LC OM3 MMF Cable
00MN505
ASR7
24
Lenovo 5m LC-LC OM3 MMF Cable
00MN508
ASR8
24
Lenovo 10m LC-LC OM3 MMF Cable
00MN511
ASR9
24
Lenovo 15m LC-LC OM3 MMF Cable
00MN514
ASRA
24
Lenovo 25m LC-LC OM3 MMF Cable
00MN517
ASRB
24
Lenovo 30m LC-LC OM3 MMF Cable
00MN520
ASRC
24
Lenovo 0.5m Passive DAC SFP+ Cable
00D6288
A3RG
24
Lenovo 1m Passive DAC SFP+ Cable
90Y9427
A1PH
24
Lenovo 1.5m Passive DAC SFP+ Cable
00AY764
A51N
24
Lenovo 2m Passive DAC SFP+ Cable
00AY765
A51P
24
Lenovo 3m Passive DAC SFP+ Cable
90Y9430
A1PJ
24
Lenovo 5m Passive DAC SFP+ Cable
90Y9433
A1PK
24
Lenovo 7m Passive DAC SFP+ Cable
00D6151
A3RH
24
Lenovo 1m Active DAC SFP+ Cable
00VX111
AT2R
24
Lenovo 3m Active DAC SFP+ Cable
00VX114
AT2S
24
Lenovo 5m Active DAC SFP+ Cable
00VX117
AT2T
24
Description
SFP transceivers - 1 GbE
SFP+ transceivers - 10 GbE
Optical cables for 1 GbE SFP SX and 10 GbE SFP+ SR transceivers
SFP+ passive direct-attach cables - 10 GbE
SFP+ active direct-attach cables - 10 GbE
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Description
Part
number
Maximum
Feature quantity
code
supported
90Y9462
A2MG
Spare console cables
Console Cable Kit Spare (RJ-45/DB9)
1
The network cables that can be used with the switch are listed in the following table.
Table 4. G8124E network cabling requirements
Transceiver
Standard
Cable
Connector
10 Gb Ethernet
10Gb SR SFP+ (46C3447)
1/10Gb SFP+ (00MY034)
10GBASE-SR Up to 30 m with fiber optic cables supplied by Lenovo
(see Table 3); up to 300 m with OM3 multimode fiber or
up to 400 m with OM4 multimode fiber
LC
10Gb LR SFP+ (90Y9412)
10GBASE-LR
1310 nm single-mode fiber cable up to 10 km
LC
10Gb ER SFP+ (90Y9415)
10GBASE-ER
1310 nm single-mode fiber cable up to 40 km
LC
Direct attach cable
10GSFP+Cu
SFP+ DAC cables up to 7 m (see Table 3)
SFP+
1Gb RJ-45 SFP (00FE333)
1000BASE-T
UTP Category 5, 5E, and 6 up to 100 meters
RJ-45
1Gb SX SFP (81Y1622)
1/10Gb SFP+ (00MY034)
1000BASE-SX Up to 30 m with fiber optic cables supplied by Lenovo
(see Table 3); 850 nm multimode fiber cable 50 µ (OM2)
up to 550 m or 62.5 µ (OM1) up to 220 m
LC
1Gb LX SFP (90Y9424)
1000BASE-LX 1310 nm single-mode fiber cable up to 10 km
LC
1 GbE management ports
1000BASE-T
UTP Category 5, 5E, and 6 up to 100 meters
RJ-45
RS-232 management port
RS-232
DB-9/RJ-45-to-mini-USB console cable (comes with
the switch)
Mini-USB
1 Gb Ethernet
Management ports
Software features
Note: The software features that are listed in this section are based on Networking OS 8.3.
The RackSwitch G8124E has the following software features:
Scalability and performance:
Media access control (MAC) address learning with automatic updates
Up to 128 IP interfaces per switch (interfaces 127 and 128 are reserved for switch
management)
Static and LACP (IEEE 802.3ad) link aggregation
Broadcast/multicast storm control
IGMP snooping to limit flooding of IP multicast traffic
IGMP filtering to control multicast traffic for hosts that are participating in multicast groups
Configurable traffic distribution schemes over trunk links that are based on source and
destination IP or MAC addresses, or both
Fast port forwarding and fast uplink convergence for rapid STP convergence
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Availability and redundancy:
IEEE 802.1D STP for providing L2 redundancy
IEEE 802.1s Multiple STP (MSTP) for topology optimization
IEEE 802.1w Rapid STP (RSTP) provides rapid STP convergence for critical delay-sensitive
traffic, such as voice or video
Per-VLAN Rapid STP (PVRST) enhancements
Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming
on compute nodes
Hot Links provides basic link redundancy with fast recovery for network topologies that
require Spanning Tree to be turned off
VLAN support:
Up to 4095 VLANs supported per switch, with VLAN numbers 1 - 4095 (VLAN 4095 is used
by the management network.)
Port-based VLANs
802.1Q VLAN tagging
Private VLANs
Security:
VLAN-based, MAC-based, and IP-based access control lists (ACLs)
802.1x port-based authentication
Multiple user IDs and passwords
User access control
Radius, TACACS+ and LDAP authentication and authorization
NIST 800-131A Encryption
Selectable encryption protocol
Quality of Service (QoS):
Support for IEEE 802.1p, IP ToS/DSCP, and ACL-based (MAC/IP source and destination
addresses and VLANs) traffic classification and processing
Traffic shaping and re-marking that is based on defined policies
Eight output Class of Service (COS) queues per port for processing qualified traffic
IPv4/IPv6 ACL metering
IP v4 Layer 3 functions:
Host management
IP forwarding
IP filtering with ACLs, up to 127 IPv4 ACLs supported
VRRP for router redundancy
Support for up to 128 static routes
Routing protocol support (RIP v1, RIP v2, OSPF v2, BGP)
Support for DHCP Relay
Support for IGMP snooping
Support for Protocol Independent Multicast (PIM) in Sparse Mode (PIM-SM) and Dense
Mode (PIM-DM).
IPv6 Layer 3 functions:
IPv6 host management
IPv6 forwarding
Support for OSPF v3 routing protocol
IPv6 filtering with ACLs, up to 128 IPv6 ACLs supported
Virtualization:
Virtual NICs (vNICs) with Ethernet, iSCSI, or FCoE traffic on vNICs
Virtual link aggregation groups (vLAGs)
VMready support:
Up to 2,048 virtual entities (VEs)
Automatic VE discovery
Up to 1,024 local or distributed VM groups for VEs
NMotion® feature for automatic network configuration migration
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Converged Enhanced Ethernet:
Priority-Based Flow Control (PFC) (IEEE 802.1Qbb) extends 802.3x standard flow control to
allow the switch to pause traffic that is based on the 802.1p priority value in each packet’s
VLAN tag.
Enhanced Transmission Selection (ETS) (IEEE 802.1Qaz) provides a method for allocating
link bandwidth that is based on the 802.1p priority value in each packet’s VLAN tag.
Data Center Bridging Capability Exchange Protocol (DCBX) (IEEE 802.1AB) allows
neighboring network devices to exchange information about their capabilities.
Fibre Channel over Ethernet (FCoE):
FC-BB5 FCoE specification compliant
FCoE transit switch operations
FCoE Initialization Protocol (FIP) support for automatic ACL configuration
Link Aggregation Group (LAG) support for FCoE traffic
Supports 2,048 FCoE sessions with FIP Snooping by using Class ID ACLs
Manageability:
Industry-standard command line interface (isCLI)
Simple Network Management Protocol (SNMP V1 and V3)
Telnet interface for CLI
Secure Shell (SSH) v1 and v2 for CLI
Secure Copy (SCP) for uploading and downloading the switch configuration via secure
channels
Link Layer Discovery Protocol (LLDP) for discovering network devices
Serial interface for CLI
Scriptable CLI
Dual software images
Firmware image update via TFTP, FTP, and Secure FTP (sFTP)
Network Time Protocol (NTP) for switch clock synchronization
Netconf (XML)
Lenovo Switch Center management application (optional; sold separately)
Lenovo XClarity (optional; sold separately) for discovery, inventory, monitoring and events
Monitoring:
Switch LEDs for port status and switch status indication
Remote Monitoring (RMON) agent to collect statistics and proactively monitor switch
performance
Port mirroring for analyzing network traffic passing through switch
Change tracking and remote logging with syslog feature
Support for sFLOW agent for monitoring traffic in data networks (separate sFLOW analyzer
required elsewhere)
The following features are not supported with IPv6:
Bootstrap Protocol (BOOTP) and DHCP
RADIUS, TACACS+ and LDAP
VMware Virtual Center (vCenter) for VMready
Routing Information Protocol (RIP)
Border Gateway Protocol (BGP)
Protocol Independent Multicast (PIM)
Virtual Router Redundancy Protocol (VRRP)
sFLOW
Ethernet standards
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Ethernet standards
The switch supports the following Ethernet standards:
IEEE 802.1AB Data Center Bridging Capability Exchange Protocol (DCBX)
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1p Class of Service (CoS) prioritization
IEEE 802.1s Multiple STP (MSTP)
IEEE 802.1Q Tagged VLAN
IEEE 802.1Qbb Priority-Based Flow Control (PFC)
IEEE 802.1Qaz Enhanced Transmission Selection (ETS)
IEEE 802.1x port-based authentication
IEEE 802.1w Rapid STP (RSTP)
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3ab 1000BASE-T copper twisted pair Gigabit Ethernet
IEEE 802.3ad Link Aggregation Control Protocol
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 802.3ae 10GBASE-ER extended range fiber optics 10 Gb Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3x Full-duplex Flow Control
IEEE 802.3z 1000BASE-SX short range fiber optics Gigabit Ethernet
IEEE 802.3z 1000BASE-LX long range fiber optics Gigabit Ethernet
Power supplies and cables
The G8124E switch has two load-sharing, 275 W AC (100 - 240 V) redundant fixed power supplies. Each
power supply has an individual IEC 320-C14 connector.
The G8124E switch ships standard without any AC power cables. The part numbers and feature codes to
order the power cables (two power cables are required per switch) are listed in the following table.
Table 5. AC power cable options
Part
number
Feature
code
1.5m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable
39Y7937
6201
1.8m, 10A/100-250V, 2xC13PM to IEC 320-C14 Rack Power Cable
None*
6568
2.8m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable
None*
6311
2.8m, 10A/100-250V, C13 to IEC 320-C20 Rack Power Cable
39Y7938
6204
4.3m, 10A/100-250V, C13 to IEC 320-C14 Rack Power Cable
39Y7932
6263
Argentina 10A/250V C13 to IRAM 2073 2.8m line cord
39Y7930
6222
Australia/NZ 10A/250V C13 to AS/NZ 3112 2.8m line cord
39Y7924
6211
Brazil 10A/125V C13 to NBR 6147 2.8m line cord
39Y7929
6223
China 10A/250V C13 to GB 2099.1 2.8m line cord
39Y7928
6210
Denmark 10A/250V C13 to DK2-5a 2.8m line cord
39Y7918
6213
European 10A/230V C13 to CEE7-VII 2.8m line cord
39Y7917
6212
India 10A/250V C13 to IS 6538 2.8m line cord
39Y7927
6269
Israel 10A/250V C13 to SI 32 2.8m line cord
39Y7920
6218
Japan 12A/125V C13 to JIS C-8303 2.8m line cord
46M2593
A1RE
Description
Rack power cables
Country-specific line cords
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Description
Part
number
Feature
code
Korea 12A/250V C13 to KETI 2.8m line cord
39Y7925
6219
South Africa 10A/250V C13 to SABS 164 2.8m line cord
39Y7922
6214
Switzerland 10A/250V C13 to SEV 1011-S24507 2.8m line cord
39Y7919
6216
United Kingdom 10A/250V C13 to BS 1363/A 2.8m line cord
39Y7923
6215
United States 10A/125V C13 to NEMA 5-15P 4.3m line cord
39Y7931
6207
United States 10A/250V C13 to NEMA 6-15P 2.8m line cord
46M2592
A1RF
* Available for factory-built custom configurations and solutions only.
Rack installation
The G8124E switch includes a 2-post rack mount kit.
For 4-post rack installations, the G8124E switch supports the optional adjustable 19-inch, 4-post rail kit
and the air inlet duct (optional for the 4-post rail kit; supported only with the models with rear to front
airflow).
When the G8124E switch (front to rear airflow) is installed in the Intelligent Cluster Rack (Machine
Type 1410) or Enterprise Rack (Machine Type 9363) as a part of a NeXtScale System solution, the
recessed 19-inch 4-post rail kit is required.
The following table lists rack installation options for the G8124E switches with rear to front and front to
rear airflow.
Table 6. Rack installation options
Part
number
Feature
code
Lenovo RackSwitch Adjustable 19" 4 Post Rail Kit
00D6185
A3KP
Air Inlet Duct for 382 mm RackSwitch
00D6062
A3HG
Lenovo RackSwitch Adjustable 19" 4 Post Rail Kit
00D6185
A3KP
Lenovo RackSwitch Recessed 19" 4 Post Rail Kit
00CG089
A51M
Description
Rear to front airflow (7159-HC9)
Front to rear airflow (7159-HC7)
Physical specifications
The G8124E switch features the following approximate dimensions and weight:
Height: 44 mm (1.7 in.)
Width: 439 mm (17.3 in.)
Depth: 381 mm (15.0 in.)
Weight: 6.4 kg (14.1 lb)
Operating environment
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Operating environment
The G8124E switch is supported in the following operating environment:
Temperature: 0 - 40 ºC (32 - 104 ºF).
Relative humidity: Non-condensing, 10 - 90%
Altitude: up to 3,050 m (10,000 feet)
Acoustic noise: Less than 65 dB
Airflow: Front-to-rear or rear-to-front cooling with variable speed fans for reduced power draw
Electrical input: 50-60 Hz, 100-240 V AC auto-switching
Electrical power: 200 W (typical)
Heat dissipation: 1,100 BTU/hour (maximum)
Warranty and maintenance
The RackSwitch G8124E comes with a limited 3-year hardware warranty with Next Business Day (NBD),
9x5, Customer Replaceable Unit (CRU) warranty service and includes a 3-year software license, which
provides entitlement to upgrades over that period. The following optional warranty and maintenance
upgrades are available for the RackSwitch G8124E through Lenovo service upgrade offerings:
Warranty service upgrades (3, 4, or 5 years):
24x7 onsite repair with 2-hour target response time
24x7 onsite repair with 4-hour target response time
9x5 onsite repair with 4-hour target response time
Maintenance (post-warranty) service offerings (1 or 2 years):
24x7 onsite repair with 2-hour target response time
24x7 onsite repair with 4-hour target response time
9x5 onsite repair with 4-hour target response time
9x5 onsite repair with next business day target response time
Remote Technical Support (RTS) services (1 or 3 years)
RTS provides comprehensive technical call center support. RTS can reduce problem resolution
time, which decreases the cost to address technical problems and increases uptime.
Lenovo service upgrade offerings are country-specific; that is, each country might have its own service
types, service levels, response times, and terms and conditions. Not all covered types of Lenovo service
upgrade offerings might be available in a particular country.
For more information about the Lenovo service upgrade offerings that are available in your country, see the
Lenovo Services Product Selector at this website:
https://www-304.ibm.com/sales/gss/download/spst/servicepac
The options that are installed in the switch assume the switch’s base warranty and any Lenovo warranty
service upgrade for the switch.
Regulatory compliance
Lenovo RackSwitch G8124E
12
Regulatory compliance
The switch conforms to the following regulations:
Safety certifications:
UL60950-1
CAN/CSA 22.2 No.60950-1
EN 60950-1
IEC60950-1
NOM NYCE 019
GOST R MEK 60950-1
GB4943-2001
Electromagnetic compatibility certifications:
FCC 47CFR Part 15 Class A
EN 55022 Class A
ICES-003 Class A
VCCI Class A
AS/NZS CISPR 22 Class A
CISPR 22 Class A
EN 55024
EN 300386
CE
Environmental: Reduction of Hazardous Substances (ROHS) 6
Network connectivity
The following table lists the network switches with rear-to-front airflow that are offered by Lenovo that can
be used in RackSwitch G8124E network connectivity solutions for System x, ThinkServer, and Flex System
hosts.
Table 7. Network switches (rear-to-front airflow)
Description
Part number
1 Gb Ethernet switches
Lenovo RackSwitch G7028 (Rear to Front)
7159BAX
Lenovo RackSwitch G7052 (Rear to Front)
7159CAX
Lenovo RackSwitch G8052 (Rear to Front)
7159G52
10 Gb Ethernet switches
Lenovo RackSwitch G8264 (Rear to Front)
7159G64
Lenovo RackSwitch G8272 (Rear to Front)
7159CRW
Lenovo RackSwitch G8296 (Rear to Front)
7159GR6
10 Gb Converged switches
Lenovo RackSwitch G8264CS (Rear to Front)*
7159DRX
40 Gb Ethernet switches
Lenovo RackSwitch G8332 (Rear to Front)
7159BRX
* The RackSwitch G8124E supports FCoE transit switch operations when connected to the RackSwitch G8264CS.
Lenovo RackSwitch G8124E
13
The following table lists the network switches with front-to-rear airflow that are offered by Lenovo that can
be used in RackSwitch G8124E network connectivity solutions for NeXtScale System hosts.
Table 8. Network switches (front-to-rear airflow)
Description
Part number
1 Gb Ethernet switches
Lenovo RackSwitch G8052 (Front to Rear)
715952F
10 Gb Ethernet switches
Lenovo RackSwitch G8264 (Front to Rear)
715964F
Lenovo RackSwitch G8272 (Front to Rear)
7159CFV
Lenovo RackSwitch G8296 (Front to Rear)
7159GF5
10 Gb Converged switches
Lenovo RackSwitch G8264CS (Front to Rear)*
7159DFX
40 Gb Ethernet switches
Lenovo RackSwitch G8332 (Front to Rear)
7159BFX
* The RackSwitch G8124E supports FCoE transit switch operations when connected to the RackSwitch G8264CS.
For more information, see the list of Product Guides in the Top-of-rack Switches category:
http://lenovopress.com/servers/options/switches
Storage connectivity
The RackSwitch G8124E can be used for external NAS, iSCSI, or FCoE SAN storage connectivity.
NAS storage connectivity
The following external NAS storage systems are offered by Lenovo that can be used with the RackSwitch
G8124E in 1 Gb and 10 Gb Ethernet NAS storage connectivity solutions:
Lenovo Storage N3310
Lenovo Storage N4610
For more information, see the list of Product Guides in the Network-Attached Storage category:
http://lenovopress.com/storage/nas
iSCSI or FCoE storage connectivity
The following table lists the external SAN storage systems that are offered by Lenovo that can be used
with the RackSwitch G8124E in 1 Gb or 10 Gb iSCSI or 10 Gb FCoE storage connectivity solutions.
Table 9. External storage systems
Description
Part number
Lenovo Storage S2200 (iSCSI connectivity, FCoE/FC gateway connectivity)
Lenovo Storage S2200 LFF Chassis FC/iSCSI Single Controller, Rack Kit, 9x5NBD
64114B1
Lenovo Storage S2200 LFF Chassis FC/iSCSI Dual Controller, Rack Kit, 9x5NBD
64114B2
Lenovo Storage S2200 SFF Chassis FC/iSCSI Single Controller, Rack Kit, 9x5NBD
64114B3
Lenovo Storage S2200 SFF Chassis FC/iSCSI Dual Controller, Rack Kit, 9x5NBD
64114B4
Lenovo Storage S3200 (iSCSI connectivity, FCoE/FC gateway connectivity)
Lenovo Storage S3200 LFF Chassis FC/iSCSI Single Controller, Rack Kit, 9x5NBD
64116B1
Lenovo Storage S3200 LFF Chassis FC/iSCSI Dual Controller, Rack Kit, 9x5NBD
64116B2
Lenovo RackSwitch G8124E
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Description
Part number
Lenovo Storage S3200 SFF Chassis FC/iSCSI Single Controller, Rack Kit, 9x5NBD
64116B3
Lenovo Storage S3200 SFF Chassis FC/iSCSI Dual Controller, Rack Kit, 9x5NBD
64116B4
IBM Storwize (iSCSI connectivity, end-to-end FCoE connectivity, FCoE/FC gateway connectivity)
IBM Storwize V3500 3.5-inch Dual Control Storage Controller Unit
6096CU2
IBM Storwize V3500 2.5-inch Dual Control Storage Controller Unit
6096CU3
IBM Storwize V3700 3.5-inch Storage Controller Unit
6099L2C
IBM Storwize V3700 2.5-inch Storage Controller Unit
6099S2C
IBM Storwize V3700 2.5-inch DC Storage Controller Unit
6099T2C
IBM Storwize V5000 LFF Control Enclosure
6194L2C
IBM Storwize V5000 SFF Control Enclosure
6194S2C
IBM Storwize V7000 2.5-inch Storage Controller Unit
6195SC5
For FCoE storage connectivity, the RackSwitch G8124E operates as an FCoE transit switch by
transporting encapsulated FCoE packets to the Fibre Channel Forwarder (FCF), which provides end-toend 10 Gb FCoE connectivity for storage systems with native FCoE ports or FCoE/FC gateway
connectivity for storage systems with native FC ports.
The RackSwitch G8124E can be connected to the following converged switches for FCoE connectivity:
Lenovo RackSwitch™ G8264CS
Brocade VDX 6730
Cisco Nexus 5010
Cisco Nexus 5020
Cisco Nexus 5548UP
Cisco Nexus 5596UP
For more information, see the list of Product Guides in the following categories:
Lenovo Storage
https://lenovopress.com/storage/san/lenovo
IBM Storage
https://lenovopress.com/storage/san/ibm
Rack cabinets
Lenovo RackSwitch G8124E
15
Rack cabinets
The following table lists the rack cabinets that are offered by Lenovo that can be used in RackSwitch
G8124E solutions.
Table 10. Rack cabinets
Description
Part number
11U Rack Office Enablement Kit
201886X
25U S2 Standard Rack
93072RX
25U Static S2 Standard Rack
93072PX
42U S2 Standard Rack
93074RX
42U 1100mm Enterprise V2 Dynamic Rack
93634PX
42U 1100mm Enterprise V2 Dynamic Expansion Rack
93634EX
42U 1200mm Deep Dynamic Rack
93604PX
42U 1200mm Deep Static Rack
93614PX
42U Enterprise Rack
93084PX
42U Enterprise Expansion Rack
93084EX
For more information, see the list of Product Guides in the Rack cabinets category:
http://lenovopress.com/servers/options/racks
Power distribution units
The following table lists the power distribution units (PDUs) that are offered by Lenovo that can be used in
RackSwitch G8124E solutions.
Table 11. Power distribution units
Description
Part number
0U Basic PDUs
0U 24 C13 16A 3 Phase PDU with IEC 309 P+N+Gnd line cord
46M4122
0U 24 C13 30A 3 Phase PDU with NEMA L21-30P line cord
46M4125
0U 24 C13 30A PDU with NEMA L6-30P line cord
46M4128
0U 24 C13 32A PDU with IEC 309 P+N+Gnd line cord
46M4131
0U 12 C19/12 C13 32A 3 Phase PDU with IEC 309 3P+N+Gnd line cord
46M4143
0U 12 C19/12 C13 60A 3 Phase PDU with CS8365L 3P+Gnd line cord
46M4140
Switched and Monitored PDUs
1U 9 C19/3 C13 Switched and Monitored DPI PDU (without line cord)
46M4002
1U 9 C19/3 C13 Switched and Monitored 60A 3Ph PDU with IEC 309 3P+Gnd cord
46M4003
1U 12 C13 Switched and Monitored DPI PDU (without line cord)
46M4004
1U 12 C13 Switched and Monitored 60A 3 Phase PDU with IEC 309 3P+Gnd line cord
46M4005
0U 24 C13 Switched and Monitored 30A PDU with NEMA L6-30P line cord
46M4116
0U 24 C13 Switched and Monitored 32A PDU with IEC 309 P+N+Gnd line cord
46M4119
0U 12 C19/12 C13 Switched and Monitored 32A 3Ph PDU with IEC 309 3P+N+G cord
46M4137
0U 12 C19/12 C13 Switched and Monitored 50A 3Ph PDU with CS8365L 3P+Gnd cord
46M4134
Lenovo RackSwitch G8124E
16
Description
Part number
Ultra Density Enterprise PDUs (9x IEC 320 C13 + 3x IEC 320 C19 outlets)
Ultra Density Enterprise C19/C13 PDU Module (without line cord)
71762NX
Ultra Density Enterprise C19/C13 PDU 60A/208V/3ph with IEC 309 3P+Gnd line cord
71763NU
C13 Enterprise PDUs (12x IEC 320 C13 outlets)
DPI C13 Enterprise PDU+ (without line cord)
39M2816
DPI Single Phase C13 Enterprise PDU (without line cord)
39Y8941
C19 Enterprise PDUs (6x IEC 320 C19 outlets)
DPI Single Phase C19 Enterprise PDU (without line cord)
39Y8948
DPI 60A 3 Phase C19 Enterprise PDU with IEC 309 3P+G (208 V) fixed line cord
39Y8923
Front-end PDUs (3x IEC 320 C19 outlets)
DPI 30amp/125V Front-end PDU with NEMA L5-30P line cord
39Y8938
DPI 30amp/250V Front-end PDU with NEMA L6-30P line cord
39Y8939
DPI 32amp/250V Front-end PDU with IEC 309 2P+Gnd line cord
39Y8934
DPI 60amp/250V Front-end PDU with IEC 309 2P+Gnd line cord
39Y8940
DPI 63amp/250V Front-end PDU with IEC 309 2P+Gnd line cord
39Y8935
Universal PDUs (7x IEC 320 C13 outlets)
DPI Universal 7 C13 PDU (with 2 m IEC 320-C19 to C20 rack power cord)
00YE443
DPI Universal Rack PDU with US LV and HV line cords
39Y8951
DPI Universal Rack PDU with CEE7-VII Europe line cord
39Y8952
DPI Universal Rack PDU with Denmark line cord
39Y8953
DPI Universal Rack PDU with Israel line cord
39Y8954
DPI Universal Rack PDU with Italy line cord
39Y8955
DPI Universal Rack PDU with South Africa line cord
39Y8956
DPI Universal Rack PDU with UK line cord
39Y8957
DPI Universal Rack PDU with AS/NZ line cord
39Y8958
DPI Universal Rack PDU with China line cord
39Y8959
DPI Universal Rack PDU (Argentina)
39Y8962
DPI Universal Rack PDU (Brazil)
39Y8960
DPI Universal Rack PDU (India)
39Y8961
NEMA PDUs (6x NEMA 5-15R outlets)
DPI 100-127V PDU with Fixed NEMA L5-15P line cord
39Y8905
Line cords for PDUs that ship without a line cord
DPI 32a Line Cord (IEC 309 3P+N+G)
40K9611
DPI 32a Line Cord (IEC 309 P+N+G)
40K9612
DPI 63a Cord (IEC 309 P+N+G)
40K9613
DPI 30a Line Cord (NEMA L6-30P)
40K9614
DPI 60a Cord (IEC 309 2P+G)
40K9615
DPI Australian/NZ 3112 Line Cord
40K9617
For more information, see the list of Product Guides in the Power Distribution Units category:
http://lenovopress.com/servers/options/pdu
Uninterruptible power supply units
Lenovo RackSwitch G8124E
17
Uninterruptible power supply units
The following table lists the uninterruptible power supply (UPS) units that are offered by Lenovo that can
be used in RackSwitch G8124E solutions.
Table 12. Uninterruptible power supply units
Description
Part number
RT1.5kVA 2U Rack or Tower UPS (100-125VAC)
55941AX
RT1.5kVA 2U Rack or Tower UPS (200-240VAC)
55941KX
RT2.2kVA 2U Rack or Tower UPS (100-125VAC)
55942AX
RT2.2kVA 2U Rack or Tower UPS (200-240VAC)
55942KX
RT3kVA 2U Rack or Tower UPS (100-125VAC)
55943AX
RT3kVA 2U Rack or Tower UPS (200-240VAC)
55943KX
RT5kVA 3U Rack or Tower UPS (200-240VAC)
55945KX
RT6kVA 3U Rack or Tower UPS (200-240VAC)
55946KX
RT8kVA 6U Rack or Tower UPS (200-240VAC)
55948KX
RT11kVA 6U Rack or Tower UPS (200-240VAC)
55949KX
RT8kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC)
55948PX
RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC)
55949PX
For more information, see the list of Product Guides in the Uninterruptible Power Supply Units category:
http://lenovopress.com/servers/options/ups
Lenovo Financial Services
Lenovo Financial Services reinforces Lenovo’s commitment to deliver pioneering products and services
that are recognized for their quality, excellence, and trustworthiness. Lenovo Financial Services offers
financing solutions and services that complement your technology solution anywhere in the world.
We are dedicated to delivering a positive finance experience for customers like you who want to maximize
your purchase power by obtaining the technology you need today, protect against technology
obsolescence, and preserve your capital for other uses.
We work with businesses, non-profit organizations, governments and educational institutions to finance
their entire technology solution. We focus on making it easy to do business with us. Our highly
experienced team of finance professionals operates in a work culture that emphasizes the importance of
providing outstanding customer service. Our systems, processes and flexible policies support our goal of
providing customers with a positive experience.
We finance your entire solution. Unlike others, we allow you to bundle everything you need from hardware
and software to service contracts, installation costs, training fees, and sales tax. If you decide weeks or
months later to add to your solution, we can consolidate everything into a single invoice.
Our Premier Client services provide large accounts with special handling services to ensure these complex
transactions are serviced properly. As a premier client, you have a dedicated finance specialist who
manages your account through its life, from first invoice through asset return or purchase. This specialist
develops an in-depth understanding of your invoice and payment requirements. For you, this dedication
provides a high-quality, easy, and positive financing experience.
For your region specific offers please ask your Lenovo sales representative or your technology provider
about the use of Lenovo Financial Services. For more information, see the following Lenovo website:
http://www.lenovofs.com
Lenovo RackSwitch G8124E
18
Related publications and links
For more information about the RackSwitch G8124E, see the following publications that are available at
the RackSwitch G8124E InfoCenter:
http://publib.boulder.ibm.com/infocenter/systemx/documentation/topic/
com.lenovo.rackswitch.g8124e.doc/rs_g8124e.html
RackSwitch G8124E Installation Guide
RackSwitch G8124E Application Guide
RackSwitch G8124E Industry Standard CLI Command Reference
Related product families
Product families related to this document are the following:
10 Gb Ethernet Switches
Top-of-Rack Switches
Lenovo RackSwitch G8124E
19
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.
1009 Think Place - Building One
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 2016. All rights reserved.
This document, TIPS1271, was created or updated on March 15, 2016.
Send us your comments in one of the following ways:
Use the online Contact us review form found at:
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This document is available online at http://lenovopress.com/TIPS1271.
Lenovo RackSwitch G8124E
20
Trademarks
Lenovo, the Lenovo logo, and For Those Who Do 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
http://www.lenovo.com/legal/copytrade.html.
The following terms are trademarks of Lenovo in the United States, other countries, or both:
Lenovo®
Lenovo Services™
Lenovo XClarity™
ThinkServer®
NeXtScale System®
NMotion®
System x®
VMready®
Flex System™
Intelligent Cluster™
NeXtScale™
RackSwitch™
The following terms are trademarks of other companies:
Microsoft® is a trademark of Microsoft Corporation in the United States, other countries, or both.
Other company, product, or service names may be trademarks or service marks of others.
Lenovo RackSwitch G8124E
21
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