|Network architecture||Transparent Layer 2 fabric; end-host connectivity
loop free and spanning tree-free design
|Management||Single point of management by primary top-of-rack Lenovo Rackswitch™ G8264CS|
|Availability||Zero downtime; no maintenance window required for software upgrades|
|Resiliency||Sub 400 microsecond Layer 2 failover†
|Converged fabric||Multi-Hop Fibre Channel over Ethernet (FCoE) and FC uplink from point of delivery|
|Scalability||Up to nine Lenovo Flex System™ chassis, 252* compute nodes and 20 network devices (two G8264CS top-of-rack switches and 18 SI4093 switches)|
|Virtualization||VMready®, UFP support|
|Multi-tenant support||VLAN isolation, Q-in-Q|
|Traffic optimization||Local preference for unicast traffic|
|POD storage||Supports external storage vendors like IBM and EMC|
|Solution components||Lenovo RackSwitch G8264CS—Learn more
Lenovo Flex System SI4093 Interconnect Module—Learn more
Switch Center—Learn more
* Based on double-dense Flex System x222 compute nodes with 7:1 oversubscription.
† Based on internal testing.
Contact Lenovo for x86-based systems
Contact IBM for POWER and/or hybrid (POWER + x86) systems
Lenovo acquires IBM x86 systems
These IBM x86 products are now products of Lenovo in the U.S. and other countries. IBM will host x86-related content on ibm.com until migrated to Lenovo. During the transition, please interpret references to IBM in relation to transitioned products as Lenovo.