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Enterasys Networks B2G124-24 Switch User Manual

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Configuring Switches in a Stack

SecureStack B2 Installation Guide 3-13

Onceinstalledinastack,theswitchesbehaveandperformasasingleswitch.Assuch,you

canstartwithasingleswitchandaddmoreswitchesasyournetworkexpands.Youcan

alsomixdifferentproductsinthefa milyinasinglestacktoprovideadesired

combinationofport

typesandfunctionstomatchtherequirementsofindividual

applications.Inallcases,astackofswitchesperformsasonelargeproduct,andis

managedasasinglenetworkentity.

Whenswitchesareinstalledandconnectedasdescribedbackin“ConnectingHigh‐Speed

StackingCables”onpage 3‐10,thefollowing

occursduringinitialization:

•Theswitchthatwillmanagethestackisautomaticallyestablishedandisreferredtoas

theManagerswitch.

•AllotherswitchesareestablishedasMemberswitchesinthestack.

•Thehierarchyoftheswitchesthatwillassumethefunctionofbackupmanagerisalso

determinedincasethe

currentmanagermalfunctions,ispowereddown,oris

disconnectedfromthestack.

•TheConsoleportonthemanagerswitchremainsactiveforout‐of‐band(local)switch

management,buttheConsoleportoneachmemberswitchisdeactivated.This

enablesyoutosettheIPaddressandsystempasswordusinga

singleConsoleport.

Noweachswitchcanbeconfiguredlocallyusingonlythemanager’sConsoleport,or

in‐bandusingaremotedeviceandtheCLIsetofcommandsdescribedinthissection.

ForproceduresusedforvarioustypesofconnectionstotheConsoleport,referto

“ConnectingtoConsole

PortforLocalManagement”onpage 3‐18.

Onceastackiscreated(morethanoneswitchisinterconnected),thefollowingoccurs:

1. Switch(unit)IDsarearbitrarilyassignedonafirst‐come,first‐servedbasis.

2. SwitchIDsaresavedagainsteachmodule.Then,everytimeaboardispower‐cycled,

itwill

initializewiththesameswitchID.Thisisimportantforport‐specific

information(forexample:ge.4.12isthe12thGigabitEthernetportonswitch

number 4).

3. Themanagementelectionprocessusesthefollowingprecedencetoassigna

managementswitch:

a. Previouslyassigned/electedmanagementswitch

b. Managementassignedpriority(values1–15)

c. Hardwarepreferencelevel

d. HighestMACAddress

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