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Configuring Switches in a Stack

SecureStack A2 PoE Installation Guide 3-9

Configuring Switches in a Stack

TheinformationinthefollowingsectionsisimportanttounderstandA2switchoperation

andinstallationsinastackinstallation.

About SecureStack A2 Switch Operation in a Stack

TheSecureStackA2productsarestackableswi tchesthatcanbeadaptedandscaledto

helpmeetyournetworkneeds.Theseswitchesprovideamanagementplatformand

uplinktoanetworkbackboneforastackedgroupofuptoeightA2switches.

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samefamily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Stacking

Cables”onpage 3‐7, 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 3‐14.

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:fe.4.12isthe12thFastEthernetportonswitchnumber 4).

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Enterasys SecureStack A2 A2H124-48P Guia de Instalação Página 39