虛擬機下的網絡配置問題VirtualNetworkEditor這個工具只是用來配置0,1,8三個虛擬網卡，默認是0.NAT模式此模式下只需給虛擬機啟用NAT,配置DHCP即可上網，不需主機共享，即使vmware8虛擬網卡被禁用虛擬機也可以上網。VirtualMachineSettingsHardwareOptionsDeviceSummary巻阿emary1024MB?Processors1占HardDisk(SCSI)20GB①CD/DVDODE)Autodetectt3FloppyAutodetect■CLNetworkAdapterNATController Present?nController Present?nSoundCard Autodetect口Display Autodetect[V]Connected[V]CanneftatpoweronNet^vorkconnection*gndged:comectedci『eztiytottiephysicalnetAorkIIRepicatsphysicalnebA'orkcannecticnslatefl1MAT:Usedtosharethehost'sIFaddress■_1Host-only:Apriviatenetworksharedwittithehost■Custom:Speafi匚virtualnetwork|Vhtiett 〒配置子網IP以及DHCP開始分配的IPNetwork:vmnetaSubnetIP:Submask:StartIPaddress:EndIPaddress:192.168.13了.254Broad匚Esst已dd「亡ss:55?168.137?1371Defaultleasetime:Maxleasetime:Days:Hours:Minute呂:30DHCPSubnetAddress*Enabled―|三Enabled-AutomaticSettings???NATSettings.?.NATSettings.?.Hostvirtualadaptername:VMwareNetworkAdapterVMnetSaNAT(sharedhost'sIPaddresswithVMs)Host-only(connectVMsinternallyinaprivatenefrA'ork)FT]Connectahostvirtualadaptertothisnetwork點擊DHCPSettings彈出如下界面，配置網關點擊DNSSettings彈出DNS配置界面選擇自動獲取[V]AutodetectavailableDNSDomainNameServer(DNS)CancelHelp當將DNS配置為自動獲取時，獲得的DNS為[root(3Localhostnetwork-scripts]#cd/etc[root(aiocalhostetc]#moreresolv?conf:generatedby/sbin/dhclient-scriptsearchlocal,domainnameseruer網關必須為,DNS必須為自動獲取，否則無法上網，即使DNS配置的地址為也無法上網。要想與主機之間通信必須啟用vmware8虛擬網卡，只需在上面的基礎上講vmware8虛擬網卡啟用即可實現虛擬機與主機之間的通信，自動獲取IP地址與DNS，無需任何其他配置此時虛擬機將只能與主機之間通信，無法上網，如果要實現虛擬機上網，只需共享可以上網的網絡，以無線網絡為例，共享給vmware8即可實現虛擬機的上網，同時也可以與主機之間通信此過程中vmware8無需做任何配置，只需自動獲取IP地址與DNS即可tworlcAdapter第VMv/areNelworkAdapterVMnet8性tworlcAdapter網絡共享嚴4和仃士 ,Internet協諛版本4CTCP/IPv4)屋性常規11118自動軼得IF地址8自動軼得IF地址(□)使用下面的IP地址爼)：IF地址Q：子網掖碼⑹:默認網關on：Q自動扶得Q自動扶得DH3朋務器地址⑻Bridged模式1.選中橋接網絡模型2.如果在執行了servicenetwork示情況restart重啟網絡命令以后出現如下圖所DeterminingIPinformationforeth0...PING[192.L6S.137.1Z.16S.1J7.137ethB:55(S4]bytesofdata.pingstatistics--4packetst『ansmittedr0receivedr4-3errors,1G0^p日仁ketloss,time4?rpipe3PING192.L&8.L37.1[]from192.168.L37.1&9ethS：56(84)byta?pingstatistics斗packetst『ansmittedr0receivedr4-3errors,1E0^p日仁ketlossrtime4?rpipe3PING192.168.L37.1[192.16S.137.1)from192.16S.L37.204ethQ：56(34)byta.最后failed，則說明ethO接口啟用了DHCP服務，而橋接網絡模式下無法通過DHCP獲得IP地址所以在獲取IP地址時出錯，執行more/etc/sysconfig/network-scripts/ifcfg-etO查看是否啟用DHCP，如下所示[rootcaiocalhostnetwork-scripts]#mareLfcfg-ethQ甘AdvancedMicroDevices[AMD]79C979[PCn&t32LANCE]DEVICE=ethGBOOTPROTO=dhcpDHCPCLASS=HWADDR=GG：GC：29：2E：F2：420NB00T=yes^IPADDR=1G.G.0.25#NETMASK=#GATEW^Y=1G.0.0.1發現果然啟用了DHCP服務導致錯誤。3.在/etc/sysconfig/network-scripts目錄下修改ifcfg-eth0文件內容，如下所示：添加IP地址，子網掩碼，網關，并將bootproto改為static

root@[Dcalhost:/etc/sysconfig<netwcrk-scrlFileEditViewJemninallabsHelp0AdvancedMicroDevices[AMD]79C97G[FCnet32LANCE]DEWICE=ethBB00TPR010=st3ticDHCPCLA55=HWADDR=GG:QC:2S;2E:F2;42□NB00T=yesIFADDR=1G.G.G.25NE7MASK=GATEWAY=1Q.Q.I3.1做了這些修改以后再次執行servicenetworkrestart結果沒有錯誤，如下所示[rootf&localhostnetwork-scripts]#servicenetworkrestartTOC\o"1-5"\h\zShuttingdownLoopbackinterface: [ OK ]BringingupLoopbackinterface: [ OK ]Bringingupinterfaceeth0: [ OK ]此時使用ifconfig命令查看ethO的地址如下：[rootfaiocalliostnetwork-scripts]#ifconfigethG Linkencap:EthernetHWaddr60:0C:29:2E:F2:42inetaddr:5Beast:55Ma^k:255.Z55.255.0就是剛才配置的地址。此時用CRT連接虛擬機，可以連接，如下所示IQ00.25Las丈Las丈Login:Fri[root@localhost[root@localho￡t匚onda-lcs.匚f匡[root@localhost[root@localhoat[root@localhost[root@localhost予1EDesktopinstall,loginstall.log.syslog但是此時虛擬機無法上網。ApplicationsPlacesSystem殆PageLoudError■MozillaFkEfaiKSleEdit迫e■用HistorySookrnarksTpolsHelphttpWwwwbaidu.corn/H；MostVi■sitedT解RedHat■RedHatMagazine則RedHatNetworkmRedHatSupportAddressNotFoundFirefoxcan'tfindtheserveratwww.baidu.corri.檢查/etc/resolv.conf文件發現沒有配置DNS,配置DNS,與主機一樣，如下[rootOlocalhostnetwork-scripts]more/etc/resoLv.confsearchlooldoirainnameserver1G.G.G.1然后虛擬機可以連接到互聯網穴IApplicaUonsPlacesSystem：||：|-MOZlirdlFkef4K(uiiRleEditViewHistoryBookmarksTbolsHelp鮒令圖http:/ANW/蹩M^stVisitedTUftetfH就^RedHKMagazine^RedH^tNetwork靜RedHatSuppedBmi總百度禺蠱S3SI臣月區罷兩円盟罷劭蠱H51BEWZBEWZ11H=盅20123I即!1?橋接網絡模式下，虛擬機與主機處于同等地位，虛擬機只需配置與主機在同一個網段的地址，同樣的網關與DNS即可實現與主機的通信以及上網。Host-only模式1.host-only也是通過DHCP獲取地址，要修改ifcfg-eth0文件，如下所示roQt^blocalhost/ctc/sysconfig/network-scripts —DMEleEditViewterminalTatisHelp#AdvancedMlciaDevices[AMD]79C97S[FCne；3ZLANCE]DE7ICE=etneBQQTPROTO=dhcpDHCPCLASS=HWADDR=00:0C:29:2E:F2:42ONROOT=yes#IPADDR-10.0.G.25^NEIMASK=#GATEWAY=2.執行servicenetworkrestart命令重啟網絡服務，自動獲取地址成功，如下[root電LotmlhoEl:network-scrip servicenetworkrestm「tTOC\o"1-5"\h\zShuttingdowninterfacee^hS: [ OK ]ShuttingdownLoopbackinterface: [ OK ]Bringinguploopbackinterface: [ OK ]Bringingupinterfaceeth0:DeterminingIPinformationforeth0...done.[OK][root電LotmlhoEl:nEtwork-scrip ifconfigeth0 Linkencap:EthernetHWaddr00:QC:29:2E:F2:42inetaddr:28Beast:55Mask:與DHCP分配地址相符合，從128開始分配

oled020Help::DHCPSettingsNetwork:umn亡HSubnetIP:192.1J6S.1^.0Subnetmask;StartIPaddress:EndIPaddress:192.16S.15.254Broadcastaddress:192.1J68.W.255Days:Hours:Defaultleasetime;0Masoled020Help::DHCPSettingsNetwork:umn亡HSubnetIP:192.1J6S.1^.0Subnetmask;StartIPaddress:EndIPaddress:192.16S.15.254Broa