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Chapter 15 Advanced Virtual Networking

Determining Whether to Use DHCP or Statically Assign

Addresses

UsingDHCPtoassignIPaddressesissimplerandmoreautomaticthanstatically

assigningthem.MostWindowsoperatingsystems,forexample,arepreconfiguredto

useDHCPatboottime,soWindowsvirtualmachinescanconnecttothenetworkthe

firsttimetheyarebooted,withoutadditionalconfiguration.Ifyouwantyourvi

rtual

machinestocommunicatewitheachotherusingnamesinsteadofIPaddresses,

however,youmustsetupanamingconvention,anameserverontheprivatenetwork,

orboth.InthatcaseitmightbesimplertousestaticIPaddresses.

Ingeneral,ifyouhavevirtualmachinesyouintendtous

efrequentlyorforextended

periodsoftime,itismostconvenienttoassignthemstaticIPaddressesorconfigurethe

VMwareDHCPservertoalwaysassignthesameIPaddresstoeachofthesevirtual

machines.

DHCP Conventions for Assigning IP Addresses

Fortemporaryvirtualmachines,useDHCPandletitallocateanIPaddress.

Foreachhost‐onlyorNATnetwork,theavailableIPaddressesareallocatedusingthe

conventionsshowninTable 15‐1andTable 15‐2,where<net>isthenetworknumber

assignedtoyourhost‐onlyorNATnetwor k.Workstationalw

aysus

esaClassCaddress

forhost‐onlyandNATnetworks.

Table 15-1. IP Address Use on a Host-Only Network

Range Address Use Example

<net>.1 Hostmachine 192.168.0.1

<net>.2–<net>.127 Staticaddresses 192.168.0.2–192.168.0.127

<net>.128–<net>.253 DHCP‐assigned 192.168.0.128–192.168.0.253

<net>.254 DHCPserver 192.168.0.254

<net>.255 Broadcasting 192.168.0.255

Table 15-2. IP Address Use on a NAT Network

Range Address Use Example

<net>.1 Hostmachine 192.168.0.1

<net>.2 NATdevice 192.168.0.2

<net>.3–<net>.127 Staticaddresses 192.168.0.3–192.168.0.127

<net>.128–<net>.253 DHCP‐assigned 192.168.0.128–192.168.0.253

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VMware Workstation 7 Manual de usuario Pagina 305