Specifications

3
Extreme Networks Data Sheet: Summit X150 Series
Voice-Class Availability
Powered by ExtremeXOS, the Summit X150 switch supports process recovery and application upgrades without the
need for a system reboot. Summit X150 oers the high network availability required for converged applications.
Link Aggregation (802.3ad)
Linkaggregationallowstrunkingofuptoeightlinksonasingle
logicalconnection,forupto2gigabitspersecond(Gbps)of
redundantbandwidthperlogicalconnection.
Exceptional Policy-based QoS with
Advanced Trac Management for
Converged Applications
SummitX150provideseighthardwarequeuesperportto
supportgranulartracclassicationwithbandwidth
allocation.The1,024centralizedclassiersper24-portblock
canuseinformationfromLayers1through4toprioritizeand
meterincomingpacketsatline-rate.Whenmeteringtrac,the
switchcandropout-of-spectracoragitforlateraction.To
expediteupstreamtrachandling,apacket’sclassicationcan
becarriedforwardwithLayer2(802.1p)andLayer3(Diserv)
markings.SummitX150switchesprovideadvancedtrac
managementfeaturesthatsupporthigh-qualitytripleplayof
voice,videoanddataservices.
Redundant Power Supplies
SummitX150switchesprovideanoptionalexternalredundant
powersupplywhichoersaconvenientandeasy-to-upgrade
in-eldoptiontoprotectagainstpoweranomalies.
Modular Operating System to Help
Maximize Uptime
Preemptive Multitasking and Protected
Memory
SummitX150switchesalloweachofmanyapplications—such
asSpanningTreeProtocol(STP)—torunasseparateoperating
systemprocessesthatareprotectedfromeachother.This
drivesincreasedsystemintegrityandhelpsprotectagainst
DenialofService(DoS)attacks.
Process Monitoring and Restart
ExtremeXOSimprovesnetworkavailabilityusingprocess
monitoringandrestart.Eachindependentoperatingsystem
processismonitoredinrealtime.Ifaprocessbecomes
unresponsiveorstopsrunning,itcanbeautomatically
restarted.
Loadable Software Modules
ThemodulardesignofExtremeXOSallowstheupgradingof
individualsoftwaremodules,shouldthisbenecessary,leading
tohigheravailabilityinthenetwork(seeFigure1).
High Availability Network Protocols
Ethernet Automatic Protection Switching
(EAPS)
EAPSallowstheIPnetworktoprovidethelevelofresiliency
anduptimethatusersexpectfromtheirtraditionalvoice
network.EAPSdiersfromSpanningTreeandRapidSpanning
Treeprotocolsoeringsub-second(lessthan50milliseconds)
recoverythathelpsdeliverconsistentfailoverregardlessofthe
numberofVLANs,networknodesornetworktopology.Since
EAPSallowsthenetworktorecoveralmosttransparently,VoIP
callswillnotdropanddigitalvideofeedswillnotfreezeor
pixelizeinmostsituations.
Spanning Tree/Rapid Spanning Tree
Protocols
SummitX150switchessupportSpanningTree(802.1D),Per
VLANSpanningTree(PVST+),RapidSpanningTree(802.1w)
andMultipleInstancesofSpanningTree(802.1s)protocolsfor
Layer2resiliency.
5171-03
Configuration Management
(CLI/SNMP/XML/Scripts)
ExtremeXOS
®
Application Modules
ExtremeXOS Kernel
Hardware Abstraction Layer
Hardware
ExtremeXOS Modular
Operating System
sFlow
®
Network
Login
802.1x
SSH2
STP
OSPF
EAPS
VRRP
ESRP
ExtremeXOS Kernel-Loadable Modules
Figure 1: ExtremeXOS Modular Design