VMware Workstation 7 Manual de usuario Pagina 318

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 512
  • Tabla de contenidos
  • SOLUCIÓN DE PROBLEMAS
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 317
Workstation User’s Manual
318 VMware, Inc.
DNS on the NAT Network
TheNATdeviceactsasaDNSserverforthevirtualmachinesontheNATnetwork.
The NATdeviceisaDNSproxyandforwardsDNSrequestsfromthevirtualmachines
toaDNSserverthatthehostknows.ResponsesreturntotheNATdevice,whichthen
forwardsthemtothevirtualmac
hines.
IftheygettheirconfigurationinformationfromDHCP,thevirtualmachinesonthe
NATnetworkautomaticallyusetheNATdeviceastheDNSserver.However,the
virtualmachinescanbestaticallyconfiguredtouseanotherDNSserver.
ThevirtualmachinesintheprivateNATnetworkarenotaccessiblethroughDNS.To
hav
ethevirtualmach
inesrunningontheNATnetworkaccesseachotherbyDNS
names,youmustsetupaprivateDNSserverconnectedtotheNATnetwork.
External Access from the NAT Network
AvirtualmachineontheNATnetworkcanuseanyprotocolusingTCPorUDPaslong
asthevirtualmachineinitiatesthenetworkconnection.Thisistrueformostclient
applicationssuchasWebbrowsing,Telnet,passivemodeFTP ,anddownloading
streamingvideo.AdditionalprotocolsupportisbuiltintotheNA
TdevicetoallowFTP
andICMPecho(ping)toworktransparentlythroughtheNAT.
Ontheexternalnetworktowhichthehostisconnected,anyvirtualmachineonthe
NATnetworkappearstobethehostitself,becauseitsnetworktrafficusesthehost’s
IP address.Thevirtualmachinecansendandre
ceivedatausingTCP/IPtoanymachine
thatisaccessiblefromthehost.
Beforeanycommunicationcanoccur,theNATdevicemustsetupamapbetweenthe
virtualmachine’saddressontheprivateNATnetworkandthehost’snetworkaddress
ontheexternalnetwork.
Whenavirtualmachineinitiatesanetw
orkconnectionwithanothernetworkresource,
thisma
piscreatedautomatically.Theoperationistransparenttotheuserofthevirtual
machineontheNATnetwork.Noadditionalworkneedstobedone.
NetworkconnectionsthatareinitiatedfromoutsidetheNATnetworktoavirtual
machineontheNATne
tworkarenottransparen
t.Whenamachineontheexternal
networkattemptstoinitiateaconnectionwithavirtualmachineontheNATnetwork,
itcannotreachthevirtualmachinebecausetheNATdevicedoesnotforwardthe
request.
However,youcanconfigureportforwardingmanuallyontheNATdevicesothat
netw
orktrafficdestinedforacertainportcanstillbeforwardedautomaticallytoa
virtualmachineontheNATnetwork.SeeAdvancedNATConfiguration”onpage 319.
Vista de pagina 317
1 2 ... 313 314 315 316 317 318 319 320 321 322 323 ... 511 512

Comentarios a estos manuales

Sin comentarios