完成拓扑图，并使各个网段的主机可以通信。
1.使用RIP配置动态路由
对R0
Continue with configuration dialog? [yes/no]: no
Press RETURN to get started!
Router>en
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add 10.1.5.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
Router(config-if)#int f0/1
Router(config-if)#ip add 10.1.1.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#int s0/0/0
Router(config-if)#ip add 10.1.2.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to down
Router(config-if)#int s0/0/1
Router(config-if)#ip add 10.1.3.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial0/0/1, changed state to down
Router(config-if)#int s0/1/0
Router(config-if)#ip add 10.1.4.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Serial0/1/0, changed state to down
Router(config-if)#router rip
Router(config-router)#net 10.1.1.0
Router(config-router)#net 10.1.2.0
Router(config-router)#net 10.1.3.0
Router(config-router)#net 10.1.4.0
Router(config-router)#net 10.1.5.0
Router(config-router)#
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up
%LINK-5-CHANGED: Interface Serial0/0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/1, changed state to up
%LINK-5-CHANGED: Interface Serial0/1/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
%IP-4-DUPADDR: Duplicate address 10.1.5.1 on FastEthernet0/0, sourced by 0060.4760.5201
%IP-4-DUPADDR: Duplicate address 10.1.5.1 on FastEthernet0/0, sourced by 0060.4760.5201
对R1
Continue with configuration dialog? [yes/no]: no
Press RETURN to get started!
Router>en
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add 192.168.10.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#int f0/1
Router(config-if)#ip add 192.168.20.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#int s0/0/0
Router(config-if)# ip add 10.1.2.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up
Router(config-if)#int s0/0/1
Router(config-if)#ip add 10.1.3.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/0/1, changed state to up
Router(config-if)#router rip
Router(config-router)#net 10.1.2.0
Router(config-router)#net 10.1.3.0
Router(config-router)#net 192.168.10.0
Router(config-router)#net 192.168.20.0
Router(config-router)#exit对R2
Continue with configuration dialog? [yes/no]: no
Press RETURN to get started!
Router>en
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add 192.168.30.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#int f0/1
Router(config-if)#ip add 192.168.40.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#int s0/0/0
Router(config-if)#ip add 10.1.4.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/0/0, changed state to up
Router(config-if)#router rip
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/0, changed state to up
Router(config-router)#router rip
Router(config-router)#net 10.1.4.0
Router(config-router)#net 192.168.30.0
Router(config-router)#net 192.168.40.0
Router(config-router)#exit对R3
Continue with configuration dialog? [yes/no]: no
Press RETURN to get started!
Router>en
Router#config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f0/0
Router(config-if)#ip add 10.1.5.2 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
%IP-4-DUPADDR: Duplicate address 10.1.5.1 on FastEthernet0/0, sourced by 0090.2B99.CE01
%IP-4-DUPADDR: Duplicate address 10.1.5.1 on FastEthernet0/0, sourced by 0090.2B99.CE01
Router(config-if)#int f0/1
Router(config-if)#ip add 172.16.10.1 255.255.255.0
Router(config-if)#no shut
Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config-if)#router rip
Router(config-router)#net 10.1.5.0
Router(config-router)#net 172.16.10.0给各个主机设置ip、掩码、网关
PC0： 192.168.10.2 255.255.255.0 192.168.10.1
PC1： 192.168.20.2 255.255.255.0 192.168.20.1
PC2： 192.168.30.2 255.255.255.0 192.168.30.1
PC3： 192.168.40.2 255.255.255.0 192.168.40.1
PC4： 172.16.10.2 255.255.255.0 172.16.10.1
Server0：10.1.1.2 255.255.255.0 10.1.1.1
对R0
对R1
对R2
对R3
2.使用ospf配置动态路由（直接删除更改原有配置）
对R0
Router(config)#no router rip
Router(config)#router ospf 1
Router(config-router)#net 10.1.1.0 0.0.0.255 area 0
Router(config-router)#net 10.1.2.0 0.0.0.255 area 0
Router(config-router)#net 10.1.3.0 0.0.0.255 area 0
Router(config-router)#net 10.1.4.0 0.0.0.255 area 0
Router(config-router)#net 10.1.5.0 0.0.0.255 area 0
对R1
Router(config)#no router rip
Router(config)#router ospf 1
Router(config-router)#net 10.1.2.0 0.0.0.255 area 0
Router(config-router)#net 10.1.3.0 0.0.0.255 area 0
Router(config-router)#net 192.168.10.0 0.0.0.255 area 0
Router(config-router)#net 192.168.20.0 0.0.0.255 area 0
对R2
Router(config)#no router rip
Router(config)#router ospf 1
Router(config-router)#net 10.1.4.0 0.0.0.255 area 0
Router(config-router)#net 192.168.30.0 0.0.0.255 area 0
Router(config-router)#net 192.168.40.0 0.0.0.255 area 0
Router(config-router)#
对R3
Router(config)#no router rip
Router(config)#router ospf 1
Router(config-router)#net 10.1.5.0 0.0.0.255 area 0.
Router(config-router)#net 172.16.10.0 0.0.0.255 area 0
Router(config-router)#
OSPF配置完成，查看四个路由器的路由表
动态路由配置，使用了两种方法RIP和OSPF。配置过程比较简单，先是配置端口IP，然后开启RIP或OSPF宣告网络。与静态路由相比，路由协议只用宣告与其相邻的网络，而静态路由则需配置所有与其不同的固定路由。与OSPF相比，RIP适合小型网络，不支持子网和超网，而且容易产生环路，并消耗网络带宽。所以相同情况下应该使用OSPF。