Enterasys C2RPS-SYS Instalační příručka stáhnout pdf (Strana 41)

Configuring Switches in a Stack

SecureStack A2 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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3‐11,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:fe.4.12isthe12thFast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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Enterasys C2RPS-SYS Instalační příručka Strana 41