R3(config-if)#int f0/0
R3(config-if)#bandwidth 64
2:配置EIGRP
R1(config)#router eigrp 100
R1(config-router)#no au
R1(config-router)#net 10.0.0.0
R1(config-router)#net 172.16.0.0
R1(config-router)#net 192.168.0.0
R1(config-router)#net 1.1.1.1
R2(config)#router eigrp 100
R2(config-router)#no au
R2(config-router)#net 10.0.0.0
R2(config-router)#net 2.2.2.2
R2(config-router)#net 23.0.0.0
R2(config-router)#net 192.168.0.0
R3(config)#router eigrp 100
R3(config-router)#no au
R3(config-router)#net 10.0.0.0
R3(config-router)#net 3.3.3.3
R3(config-router)#net 172.16.0.0
R3(config-router)#net 23.0.0.0
R1#show ip route
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
2.0.0.0/24 is subnetted, 1 subnets
D 2.2.2.0 [90/40640000] via 192.168.0.2, 00:01:58, Serial2/1
3.0.0.0/24 is subnetted, 1 subnets
D 3.3.3.0 [90/40130560] via 172.16.0.3, 00:01:58, FastEthernet0/0
23.0.0.0/24 is subnetted, 1 subnets
D 23.0.0.0 [90/40514560] via 172.16.0.3, 00:01:58, FastEthernet0/0
172.16.0.0/24 is subnetted, 1 subnets
C 172.16.0.0 is directly connected, FastEthernet0/0
10.0.0.0/30 is subnetted, 9 subnets
D 10.1.3.8 [90/40130560] via 172.16.0.3, 00:01:58, FastEthernet0/0
D 10.1.2.8 [90/40640000] via 192.168.0.2, 00:01:58, Serial2/1
C 10.1.1.8 is directly connected, Loopback4
D 10.1.3.0 [90/40130560] via 172.16.0.3, 00:01:58, FastEthernet0/0
D 10.1.2.0 [90/40640000] via 192.168.0.2, 00:01:58, Serial2/1