Configuring Switches in a Stack
SecureStack A2 PoE Installation Guide 3-11
3. Oncethedesiredmasterswitchhasbeenselected,thecurrentconfigurationwillbe
savedandthestackwillautomaticallyreset.Youmustnowmovetheconsolecableto
thenewmanagementunit.
4. Stackmembersotherthanthemanagementunitwillonlyidentifytheirunitnumber
throughtheirconsoleport.
5. Persistentdataon
allstackunitscanbeclearedalongwiththecurrentconfiguration
usingtheclearconfigallasdescribedintheSecureStackA2ConfigurationGuide.
Adding a New Switch to an Existing Stack
Usethefollowingproceduretoinstallanewswitchtoanexistingstackconfiguration.
Thisprocedureassumesthatthenewswitchbeingaddedhasacleanconfigurationfrom
manufacturingandisrunningthesamefirmwareimageversionasotherswitchesinthe
stack.
1. Ensurethatpowerisoffonthenew
switchbeinginstalled.
2. Useoneofthefollowingmethodstocompletethestackcableconnections:
–Iftherunningstackusesadaisychaintopology,makethestackcableconnections
fromthebottomofthestacktothenewswitch(thatis,STACKDOWNportfrom
thebottomswitchoftherunningstack
totheSTACKUPportonthenewswitch).
–Iftherunningstackusesaclosedloopconfiguration,breaktheloopandmakethe
stackcableconnectionstothenewswitchtoclosetheloop.
3. Applypowertothenewswitch.
Important Considerations About Using Clear Config in a Stack
When using the clear config command (as described in the SecureStack A2 Configuration Guide)
to clear configuration parameters in a stack, it is important to remember the following:
• Use clear config to clear config parameters without clearing stack switch IDs. This command
WILL NOT clear stack parameters and avoids the process of re-numbering the stack.
• Use clear config all when it is necessary to clear all config parameters, including stack switch
IDs and switch priority values.
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