无缝割接(EIGRP).doc

拓扑图：配置：R1：hostname R1!interface Loopback0 ip address 1.1.1.1 255.255.255.0!interface Serial0/0 ip address 12.1.1.1 255.255.255.0 serial restart-delay 0!interface Serial0/1 ip address 13.1.1.1 255.255.255.0 serial restart-delay 0router eigrp 100 network 1.1.1.0 0.0.0.255 network 12.1.1.0 0.0.0.255 network 13.1.1.0 0.0.0.255 metric weights 0 0 0 1 0 0 no auto-summaryR2：interface Serial0/0 ip address 12.1.1.2 255.255.255.0 serial restart-delay 0!interface Serial0/1 ip address 24.1.1.2 255.255.255.0 delay 20000 serial restart-delay 0!router eigrp 100 passive-interface Serial0/0 passive-interface Serial0/1 network 12.1.1.0 0.0.0.255 network 24.1.1.0 0.0.0.255 metric weights 0 0 0 1 0 0 no auto-summary!R3：interface Serial0/0 ip address 13.1.1.3 255.255.255.0 serial restart-delay 0!interface Serial0/1 ip address 34.1.1.3 255.255.255.0 serial restart-delay 0!router eigrp 100 network 13.1.1.0 0.0.0.255 network 34.1.1.0 0.0.0.255 metric weights 0 0 0 1 0 0 no auto-summary!R4：interface Loopback0 ip address 4.4.4.4 255.255.255.0!interface Serial0/0 ip address 24.1.1.4 255.255.255.0 serial restart-delay 0!interface Serial0/1 ip address 34.1.1.4 255.255.255.0 serial restart-delay 0!router eigrp 100 network 4.4.4.0 0.0.0.255 network 24.1.1.0 0.0.0.255 network 34.1.1.0 0.0.0.255 metric weights 0 0 0 1 0 0 no auto-summary!实验步骤：1，从R4ping 1000 个包到R1的1.1.1.12，R3加电启用，不断网3，R2的s0/1接口延迟改成20000，把流量导入R34，然后passive-interface s0/1 和s0/0接口，让R2与R1，R4断掉邻居关系5，R2断电，撤掉设备6，之前把所有路由器的计算值改成：metr