dhcp协议rfc文档.doc

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1、最新dhcp协议RFC文档NetworkWorkingGroupR.DromsRequestforComments:2131Bucknel1UniversityObsoletes:1541March1997Category:StandardsTrackDynamicHostConfigurationProtocolStatusofthismemoThisdocumentspecifiesanInternetstandardstrackprotocolfortheInternetcoinmunit

2、y,andrequestsdiscussionandsuggestionsforimprovements・PleaserefertothecurrenteditionoftheternetOfficialProtocolStandards"(STD1)forthestandardizationstateandstatusofthisprotoco1.Distributionofthismemoisuniimited・AbstractTheDynamicHostConfigurationProto

3、col(DHCP)providesaframeworkforpassingconfigurationinformationtohostsonaTCPTPnetwork.DHCPisbasedontheBootstrapProtocol(BOOTP)[7],addingthecapabilityofautomaticallocationofreusablenetworkaddressesandadditionalconfigurationoptions[19]・DHCPcapturesthebeh

4、aviorofBOOTPrelayagents[7,21],andDHCPparticipantscaninteroperatewithBOOTPparticipants[9].TableofContents1.Introduction21.1ChangestoRFC154131.2RelatedWork41.13Problemdefinitionandissues4Requirements5Terminology66Designgoals6ProtocolSummary81.21Configu

5、rationparametersrepository111.2Dynamicallocationofnetworkaddresses1.TheClient-ServerProtocol131.1Client-serverinteraction一allocatinganetworkaddress・・・131.2Client-serverinteraction-reusingapreviouslyallocatednetworkaddress171.3Interpretationandreprese

6、ntationoftimevalues201.14Obtainingparameterswithexternallyconfigurednetworkaddress205ClientparametersinDHCP216UseofDHCPinclientswithmultipleinterfaces227WhenclientsshoulduseDHCP22SpecificationoftheDHCPclient-serverprotocol22Droms'Page1]StandardsTrack

7、RFC2131March1997DynamicHostConfigurationProtocol1ConstructingandsendingDHCPmessages222DHCPserveradministrativecontrols251.13DHCPserverbehavior261.4DHCPclientbehavior345.Acknowledgments422.References423.SecurityConsiderations434.Author'sAddress44A.Hos

8、tConfigurationParameters45ListofFiguresFormatofaDHCPmessage9Formatofthe'flags，field11TimelinediagramofmessagesexchangedbetweenDHCPclientandserverswhenallocatinganewnetworkaddress15TimelinediagramofmessagesexchangedbetweenDHCPclientandserverswhenreusi