华为认证网络工程师02TCP-IP原理和子网规划

3ComTCP/IPIssue4.0i1TCP/IP...................................................................................................................21.1TCP/IPOSI................................................................................................21.2...................................................................................................................................51.3...................................................................................................................................71.4.................................................................................................................................142......................................................................................................................192.1IP.........................................................................................................................192.2..............................................................................................................................253ComTCP/IPIssue4.021TCP/IP1.1TCP/IPOSITCP/IPOSITCP/IPOSIzTCP/IPOSI7654321OSITCP/IPOSITCPTransferControlProtocol/IPInternetProtocol/TCP/IPTCP/IPOSIOSIOSITCP/IPTCP/IP3ComTCP/IPIssue4.03TCP/IPTCP/IPHTTPTelnetFTPTFTPPingetcTCP/UDPARP/RARPIPICMPEthernet802.3PPPHDLCFRetc.IPICMPInternetControlMessageProtocolIGMPInternetGroupManagementProtocolARPAddressResolutionProtocolRARPReverseAddressResolutionProtocolTCPUDPUserDatagraphProtocolHTTPHyperTextTransferProtocolTelnetFTPFileTransferProtocol3ComTCP/IPIssue4.04TCP/IPTCP/IPBITSFRAMESIPPACKETSTCP/UDP6/17TFTP69SMTP25FTP20/21TELNET23OSITCP/IPTCP/UDPTelnet23IPPPPHDLC3ComTCP/IPIssue4.051.2zÎFTPTFTPzÎSMTPPOP3zÎSNMPTelnetPingTracertzÎHTTPDNSWINSFTPFileTransferProtocolInternetFTPASCIIFTPTCPFTPFTPTFTPTrivialFileTransferProtocolTFTPUDPTFTPSMTPSimpleMailTransferProtocolInternetPOP3PostOfficeProtocolInternetSNMPSimpleNetworkManagementProtocolTelnetPing3ComTCP/IPIssue4.06TracertPingtracertHTTPWWWWorldWideWebHTTPInternetDNSDomainNameSystemWINSWindowsInternetNameServerWindowsInternetNetBIOSIPBootPBootstrapProtocolUDPIP3ComTCP/IPIssue4.071.3TCPUDPTCPUDPTCPUDPIPTCPUDPTCPTCPUDPTCP1TCPTCP2TCP3TCP4TCPTCP3ComTCP/IPIssue4.085TCPIPIPTCP6TCPTCP7TCP3ComTCP/IPIssue4.09TCP/UDPTCP/UDP0816243116163232URGACKPSHRSTSYNFIN(6)1616TCP1608162431161616UDPUDPTCP16UDPTCPUDPTCPUDPTCPTCPTCPsourceportdestinationportTCP/IPIPIPsocketTCPSequencenumberTCPTCP32bitsAcknowledgementnumber32bits1TCPwindowssizeWindowssize=3,16bits3ComTCP/IPIssue4.010checksumTCPMSSMaximumSegmentSizeMSSTCPMSSMSS10241460TCPUDPTCPUDPUDPUDPDNSTFTPSNMPUDP3ComTCP/IPIssue4.011zHTTPFTPTelnetSMTPDNSTFTPSNMP8020/2123255369161TCPUDP16bitssocketIPTCP6UDP17TCP/IP1~1023IANAInternetAssignedNumbersAuthorityInternet25525510231023IANATCPHTTP80FTP20/21Telnet23SMTP25DNS53UDPDNS53BootP67server/68clientTFTP69SNMP161socket+IP+IPTCPIP3ComTCP/IPIssue4.012TCPTCPInternetSYN(seq=a)SYN(seq=b,ack=a+1)SYN(seq=a+1,ack=b+1)clientserversynchronizationa1b2a+1123b+12TCPthree-wayhandshakeTCP43ComTCP/IPIssue4.013len1024win4096len1024win4096len1024win4096ack4097win2048len1024win4096len1024win4096ack6145win2048len1024win4096len1024win4096len1024win4096TCPTCP/IPTCPTCP3123432003ComTCP/IPIssue4.0141.4IPARPRARPICMPTCP/IPIPIPInternetProtocolIP,IPARPAddressResolutionProtocolIPMACRARPReverseAddressResolutionProtocolIPICMPInternetControlMessageProtocolIGMPInternetGroupManagementProtocol3ComTCP/IPIssue4.015IPIPIPIPIPIP20IPVersionIP4IP6IP48TOSTypeofService3COSClassofService4TOS14TOSTotallengthIPIdentification1TTLTimetoLiveTTL10IPTCP6UDP17HeadchecksumIPIPIPIP3ComTCP/IPIssue4.016ARPARP10.0.0.2MACIP:10.0.0.1/24MAC:00-E0-FC-00-00-11IP:10.0.0.2/24MAC:00-E0-FC-00-00-12ARPRequest?ARPReply10.0.0.2MAC00-E0-FC-00-00-12ARPIPMACABMACAARPARPIPMACIPBAIPMACARPIPMACAAARPBMACABIPMAC3ComTCP/IPIssue4.017RARPRARPIPRARPServerRARPRequest?RARPReplyIP10.0.0.1RARPXMACIPIPRARPRARPIPARPRARPARPRARP3ComTCP/IPIssue4.018ICMPICMPBICMPEchoRequestICMPEchoReplyABICMPIPICMPIPICMPICMPIPRFC792ICMPICMPpingechorequestICMPEchoReplyICMPsourcequench3ComTCP/IPIssue4.01922.1IPIPIPzIPzIP10.110.192.11120.130.188.144TCP/IPOSITCP/IPTCP/IP------IPIP-----MACMACMACMACMAC----IPIPIPMACIPIPIP323ComTCP/IPIssue4.020octetsIP10.110.192.11100001010.01101110.10000000.011011110a.7e.80.7fIPIP32232IP43IPIPIPIPIPMaskIP10IP010-8288248401082882484IPIPIP3ComTCP/IPIssue4.021IPIP010110111011110Network(7bit)Network(14bit)Network(21bit)Host(24bit)Host(16bit)Host(8bit)ABCDEIPIPAIP10.110.192.11110110.192.111IPIPABCDEAIPoctet0A8-1=7A1~12612710.1.1.1126.2.4.78AA24A1.0.0.0~126.255.255.255A224AIPBIPoctet10B16-2=14B128~191128.1.1.1168.2.4.78BB16B128.0.0.0~191.255.255.255B216BIPCIPoctet110C24-3=21C192~223192.1.1.1220.2.4.78CC3ComTCP/IPIssue4.0228C192.0.0.0~223.255.255.255C28=256CIPD81110D224~239DHCSEE240~255ABCIPInternationalNetworkInformationCenterInterNICABCIPIPIPIPIPInterNICIPIPInternetIPInternetNATNetworkAddressTranslationIPInternetIPInterNICIPA10.0.0.0~10.255.255.255;B172.16.0.0~172.31.255.255;C192.168.0.0~192.168.255.255IPIPIPIPIPv6IPv61282128I