TCPIP_Chapter 11 Routing Protocol

1、吴凡吴凡通信与信息工程学院网络工程系通信与信息工程学院网络工程系E-mail: Phone: 61830521 (O)Dest.IGPIGPIGPIGPASxASyAS1AS3AS2 IPLANsMANsWANsICMPIGMPARPRARPTCPUDPRIPNet 1Net 3Net2Net 4internetGraphvidivdji1+1Dst.MetricNET11NET31NET43NET52NET62Dst.MetricNET11NET42NET53NET64Nexthop-RERERENET21-Dst.MetricNET12NET3NET4NET5NET62433NET32RB

2、3RBDst.MetricNET11NET32NET42NET53NET65NET21N3-10N4-20N1-10N2-20N2-10N3-20目的网络目的网络下一跳下一跳发送接口发送接口MetricN3-10N4-20N1-10N2-2N2-1N3-20Net1Net1A IPLANsMANsWANsICMPIGMPARPRARPTCPUDPOSPF软件实现层次软件实现层次lCompile: when you compile something such as a report, book, or programme, you produce it by collecting and pu

3、tting together many pieces of information. 柯林斯高阶英语词典Frame RelayX.25Frame RelayX.25节点the IP address of the routerthat sends the packet子网子网1Area 1子网子网3.211.213.235.234.212R1R2R4R5.224.223子网子网2Area 2 (stub area)Area 0R6.226AS 2010.2.0.0/16AS 1010.1.0.0/16子网子网4R3I am router ID I am router ID 172.68.5.1

4、and I see no one and I see no oneDown State172.68.5.1/24E0172.68.5.2/24E1ABRouter B Router B 邻接表邻接表172.68.5.1/24, int E1, int E1Init StateI am router ID I am router ID 172.68.5.2, and I see , and I see 172.68.5.1Router A Router A 邻接表邻接表172.68.5.2/24, int E0, int E0Two-way StateHello3954743907071339547439070713Hello3954743907071339547439070713ABExstartExchangeLoadingFull IPLANsMANsWANsICMPIGMPARPRARPTCPUDPBGP-4软件实现层次软件实现层次NetworkNext RouterPathN01R01 AS14, AS23, AS67N02R05 AS22, AS67, AS0