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Table Of Contents
VMware, Inc. 57
Chapter 7 Working with Configurations
Figure 71illustratesconfigurationswithoutfencingandwithfencing.
Figure 7-1. Configuration A (Without Fencing) and Configuration B (With Fencing)
Fencingaconfigurationdoesnotrequireanychangestoitsvirtualmachines.Withinafencedconfiguration,
virtualmachinescontinuetousepreassignedIPaddressestocommunicatewitheachother.
Fencing Connectivity
Threeconnectivitymodesareavailablewhenyoufenceaconfiguration:
AllowInandOutVirtualmachinescancommunicatewithmachinesoutsidethefence,andmachines
outsidethefencecancommunicatewithvirtualmachinesinsidethefencedconfiguration.
Figure 7-2. Allow In and Out Fencing Mode
N
OTEWhenyoudeployaconfigurationinfencedmodewiththeBlockInandOutoption,Lab Managerdoes
notcreateavirtualrouterorassignexternalIPaddresses.See“FencingConnectivity”onpage 57.
fenced
network
ESX Server host 2ESX Server host 1
client machine
configuration a configuration b
(fenced)
physical network
legend
connection
fenced connection
IIP internal IP address
EIP external IP address for fenced configurations
VR virtual router
EIP 192.168.0.4 EIP 192.168.0.3
IIP 192.168.0.1
MAC 00:50:56:00:00:01
IIP 192.168.0.2
MAC 00:50:56:00:00:02
VM1 VM2
IIP 192.168.0.1
MAC 00:50:56:00:00:01
IIP 192.168.0.2
MAC 00:50:56:00:00:02
VM1 VM2
VR