VMware VLM3-ENG-CP - Lab Manager - PC User's Guide download pdf (Page 181)

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Stage Managerusesnetworkfencing,anarchitecturethatisolatesor“fences”virtual

machineconfigurationswhileallowingfullnetworkaccess.Fencingenablesyouto

workwithliveinstancesofthesameconfigurationonthesamenetwork.

Forexample,whenyouwanttohaveconcurrentdevelopmentortestingonthesame

configuration,youcan

duplicateorclonetheconfigurationandavoidanyIPorMAC

addresscollisionwiththistechnology.

Thisappendixincludesthesetopics:

 “WhentoFenceConfigurations”onpage 181

 “FencingOverview”onpage 182

 “ViewingVirtualSwitchesforFences”onpage 186

When to Fence Configurations

Typically,youwanttoenablenetworkfencingunderthesecircumstances:

 Youhaveaconfigurationwithoneormoreservers,andyouanticipatecloningthe

configurationnumeroustimes.

 Youhaveaconfigurationinvolvingadifficultandcomplexsetup,andcloningthe

configurationisaneasierroutethanrepeatingthesetup.

Withfencing,engineerscanrunmultiple,independenttestsonaconfiguration

deployedmultipletimes.Fencingisparticularlyusefulwhenadeveloperneedsto

examineabugwithoutinterruptingor

stoppingongoingtestingonaconfiguration.

Stage Manageralsoenablesyoutoreproducethebugatalatertimeifthedeveloperis

unavailable.

Network Fencing

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VMware VLM3-ENG-CP - Lab Manager - PC User's Guide Page 181