第13讲 配置DHCP服务器

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1、第13讲配置DHCP服务器概述DHCP服务概述配置DHCP服务器配置客户保留配置DHCP中继代理维护DHCP服务器缺点手工自动优点手工给每台计算机输入IP可能会输入错误或重复IP导致网络问题管理负担较大IP自动分配不会有错减少了网络问题工作量少IP分配方式IPAddress1IPAddress2IPAddress3DHCPDatabaseIPAddress2IPAddress1DHCP客户:从服务器获IPDHCP服务器非DHCP客户静态IPDHCP客户:从服务器获IPDHCP工作过程DHCP服务器DHCP客

2、户1IP请求3IP选择2IP提供4IP确认DHCP租约生成过程DHCPREQUESTSourceIPAddress=192.168.0.77Dest.IPAddress=192.168.0.108RequestedIPAddress=192.168.0.77HardwareAddress=08004....DHCPACKSourceIPAddress=192.168.0.108Dest.IPAddress=192.168.0.77OfferedIPAddress=192.168.0.77ClientHardware

3、Address=08004...SubnetMask=255.255.255.0LengthofLease=8daysServerIdentifier=192.168.0.108DHCPOption:Router=192.168.0.1DHCPClientDHCPServerDHCP租约更新配置DHCP服务器1、配置固定IP2、安装DHCP服务3、授权DHCP服务器4、建立DHCP作用域配置DHCP客户1、客户机设为自动获得IP地址配置DHCP服务器和客户机在DHCP客户机上执行以下命令，来验证配置：Ipconfi

4、g/allIpconfig/releaseIpconfig/renew验证DHCP配置作用域选项可以为客户机提供除IP以外的附加参数:路由器的IPDNS服务器IPWINS服务器IP配置作用域选项配置客户保留在路由式网络中配置DHCP配置DHCP中继代理在路由式网络中配置DHCPDHCPClientDHCPClientNonRFCCompliantRouterRouterRFCCompliantWindows2000ServerDHCPRelayAgentDHCPServerBroadcastBroadcastD

5、HCPClientWindows2000ServerDHCPClientNonRFCCompliantRouterDHCPServerRouterRFCCompliantDHCPRelayAgentBroadcastBroadcastDHCPClientDHCPClientNonRFCCompliantRouterDHCPServerWindows2000ServerDHCPRelayAgentRouterRFCCompliantDHCPClientDHCPClientNonRFCCompliantRout

6、erRouterRFCCompliantWindows2000ServerDHCP中继代理DHCPServer在路由式网络中配置DHCPBroadcastBroadcastDHCPclientbroadcastsaDHCPmessageRouterSubnet1Subnet2DHCPrelayagentdetectsthebroadcastandsendsthemessagetotheDHCPserverDHCPrelayagentreceivesreplyfromtheDCHPserverandsendsabr

7、oadcastDHCPClientDHCPRelayAgentDHCPServerDHCPclientreceivesthebroadcastBroadcastRouterSubnet1Subnet2DHCPClientDHCP中继代理DHCPServerDHCP中继代理配置DHCP代理监视DHCP维护DHCP通过查看DHCP日志来监视DHCP服务器DHCP日志文件为DhcpSrvLog.xxx.日志文件位于winntsystem32dhcpDhcpDHCPDatabase监视DHCP