Lenovo Flex System Fabric CN4093 User Manual

© Copyright Lenovo 2017 511
Chapter 32. Basic Redundancy
EnterpriseNOS8.4includesvariousfeaturesforprovidingbasiclinkordevice
redundancy:
 “AggregationforLinkRedundancy”onpage 511
 “HotLinks”onpage 512
Aggregation for Link Redundancy
Multipleswitchportscanbecombinedtogethertoformrobust,high‐bandwidth
LAGstootherdevices.SinceLAGsarecomprisedofmultiplephysicallinks,the
LAGisinherentlyfaulttolerant.Aslongasoneconnectionbetweentheswitchesis
available,theLAGremainsactive.
InFigure 56,fourportsareaggregatedtogether
betweentheswitchandthe
enterpriseroutingdevice.Connectivityismaintainedaslongasoneofthelinks
remainsactive.Thelinkstotheserverarealsoaggregated,allowingthesecondary
NICtotakeoverintheeventthattheprimaryNIClinkfails.
Figure 56. AggregatingPortsforLinkRedundancy
Formore
informationaboutaggregation,see“PortsandLinkAggregation(LAG)”
onpage 157.
LAGLAG
Server
NIC 1
NIC 2
Internet
Enterprise
Routing Switch

Lenovo Flex System Fabric CN4093 Specifications

General

Brand	Lenovo
Model	Flex System Fabric CN4093
Category	Switch
Language	English