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Table Of Contents
Lab Manager User’s Guide
58 VMware, Inc.
AllowOutVirtualmachinesinafencedconfigurationcaninitiatecommunicationwithmachines
outsidethefenceandcanreceivemessagesbackonthesameconnection.Machinesoutsidethefence
cannotinitiatecommunicationtovirtualmachinesinsidethefencedconfiguration.
Thisoptionisusefulwhenvirtualmachinesneedtoobtaindata
orexecutecodeoutsidethefence(such as
withWebservicesordatabases)butdonotwanttoreceivemessagesthatmightdisrupttesting.
Figure 7-3. Allow Out Fencing Mode
BlockInandOutNetworktrafficdoesnottravelacrossthefence.Virtualmachinesinafenced
configurationcannotcommunicatewithmachinesoutsideofthefence,andmachinesoutsidethefence
cannotcommunicatewithvirtualmachinesinthefencedconfiguration.Whenyoudeployafenced
configurationwiththisoption,Lab Manager
doesnotcreateavirtualrouterorassignexternal
IP addresses.
Figure 7-4. Block In and Out Fencing Mode
fenced
network
ESX Server host
configuration
physical network
VM1
VR
fenced
network
configuration
physical network
VM1
ESX Server host