使用DHCP服务器动态分配IP地址..ppt

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1、微软系统工程师、微软企业架构专家课程第二次课程AllocatingIPAddressingbyUsingDynamicHostConfigurationProtocol(DHCP)OverviewDHCP网络基础结构中的角色添加和授权DHCP服务器服务配置DHCP作用域配置DHCP预订配置DHCP选项配置DHCP中继代理网络基础结构中的角色该媒体旨在提供的DHCP网络基础结构中的高级概述此演示文稿底您将能够：:解释DHCP描述DHCP的工作原理解释如何路由器可以转发DHCP广播的数据包描述如何一个DHCP中继代理工程添加和授权DHCP服务器服务为什么要使用DHCP？DHCP如何分配的IP

2、地址DHCPLease生成过程的工作原理DHCPLease重建过程的工作原理如何添加DHCP服务器服务授权DHCP服务器服务是如何如何授权DHCP服务器服务为什么要使用DHCP？DHCP减少复杂性和管理的工时量通过自动TCP/IP配置ManualTCP/IPConfiguration在每个客户端计算机上将手动输入IP地址输入不正确或无效的IP地址的可能性配置不正确可能导致通信和网络问题在其中经常移动计算机的网络上的管理重载AutomaticTCP/IPConfiguration到客户端计算机将自动提供IP地址确保客户端始终使用正确的配置信息客户端配置自动更新以反映网络结构变化消除了一个常

3、见的网络问题的来源DHCP如何分配的IP地址DHCPServerDHCPDatabaseIPAddress1:LeasedtoDHCPClient1IPAddress2:LeasedtoDHCPClient2IPAddress3:AvailabletobeleasedDHCPClient2:IPconfigurationfromDHCPserverNon-DHCPClient:StaticIPconfigurationDHCPClient1:IPconfigurationfromDHCPserverLeaseRenewalLeaseGenerationDHCPLease生成过程的工

4、作原理DHCPclientbroadcastsaDHCPDISCOVERpacket1DHCPserversbroadcastaDHCPOFFERpacket2DHCPclientbroadcastsaDHCPREQUESTpacket3DHCPServer1broadcastsaDHCPACKpacket4DHCPClientDHCPServer1DHCPServer2DHCPLease重建过程的工作原理DHCPClientDHCPServer1DHCPServer2DHCPClientsendsaDHCPREQUESTpacket1DHCPServer1sendsaDHCP

5、ACKpacket250%ofleasedurationhasexpired87.5%ofleasedurationhasexpired100%ofleasedurationhasexpiredIftheclientfailstorenewitslease,after50%oftheleasedurationhasexpired,thentheDHCPleaserenewalprocesswillbeginagainafter87.5%oftheleasedurationhasexpiredIftheclientfailstorenewit’slease,after87.5%ofthel

6、easehasexpired,thentheDHCPleasegenerationprocessstartsoveragainwithaDHCPclientbroadcastingaDHCPDISCOVERDHCPClientDHCPServer1DHCPServer2DHCPclientsendsaDHCPREQUESTpacket1DHCPServer1sendsaDHCPACKpacket250%ofleasedurationhasexpired如何添加DHCP服务器服务Yourinstructorwilldemonstratehowto:PreparetoaddaDHCPSe

7、rverserviceAddaDHCPServerservice授权DHCP服务器服务是如何DomainControllerActiveDirectoryDHCPClientDHCPServer1checkswiththedomaincontrollertoobtainalistofauthorizedDHCPserversUnauthorizedDoesnotserviceDHCPrequestsAuthorizedService