router>en router#conf t router(config)#host r1 r1(config)#no ip domain-lookup r1(config)#ena sec 123 r1(config)#ban mot #Welcome to r1# r1(config)#line con 0 r1(config-line)#no exec-timeout r1(config-line)#line vty 0 4 r1(config-line)#no login r1(config-line)#int f 0/0 r1(config-if)#des link to r2 r1(config-if)#ip add 192.168.1.1 255.255.255.0 r1(config-if)#no shut r1(config-if)#router eigrp 1 r1(config-route)#network 192.168.1.0 0.0.0.255 r1(config-route)#end r1#
r2 配置
router>en router#conf t router(config)#host r2 r2(config)#no ip domain-lookup r2(config)#ena sec 123 r2(config)#ban mot #Welcome to r2# r2(config)#line con 0 r2(config-line)#no exec-timeout r2(config-line)#line vty 0 4 r2(config-line)#no login r2(config-line)#int f 0/0 r2(config-if)#des link to r1 r2(config-if)#ip add 192.168.1.2 255.255.255.0 r2(config-if)#no shut r2(config-if)#int f 1/0 r2(config-if)#des link to r3 r2(config-if)#ip add 192.168.2.1 255.255.255.0 r2(config-if)#no shut r2(config-if)#int f 2/0 r2(config-if)#des link to r3 r2(config-if)#ip add 192.168.3.1 255.255.255.0 r2(config-if)#no shut r2(config-if)#router eigrp 1 r2(config-route)#network 192.168.1.0 0.0.0.255 r2(config-route)#redistribute static metric 10000 100 255 1 1500 r2(config-route)#exit r2(config)#ip route 192.168.4.0 255.255.255.0 192.168.2.2 r2(config)#ip route 192.168.4.0 255.255.255.0 192.168.3.2 permanent 80 r2(config)#end r2#
r3 配置
router>en router#conf t router(config)#host r3 r3(config)#no ip domain-lookup r3(config)#ena sec 123 r3(config)#ban mot #Welcome to r2# r3(config)#line con 0 r3(config-line)#no exec-timeout r3(config-line)#line vty 0 4 r3(config-line)#no login r3(config-line)#int f 0/0 r3(config-if)#des link to r4 r3(config-if)#ip add 192.168.4.2 255.255.255.0 r3(config-if)#no shut r3(config-if)#int f 1/0 r3(config-if)#des link to r2 r3(config-if)#ip add 192.168.2.2 255.255.255.0 r3(config-if)#no shut r3(config-if)#int f 2/0 r3(config-if)#des link to r2 r3(config-if)#ip add 192.168.3.2 255.255.255.0 r3(config-if)#no shut r3(config-if)#router ospf 1 r3(config-route)#network 192.168.4.0 0.0.0.255 aera 0 r3(config-route)#redistribute static metric 10 subnets r3(config-route)#exit r3(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1 r3(config)#ip route 192.168.4.0 255.255.255.0 192.168.3.1 permanent 80 r3(config)#end r3#
r4 配置
router>en router#conf t router(config)#host r4 r4(config)#no ip domain-lookup r4(config)#ena sec 123 r4(config)#ban mot #Welcome to r1# r4(config)#line con 0 r4(config-line)#no exec-timeout r4(config-line)#line vty 0 4 r4(config-line)#no login r4(config-line)#int f 0/0 r4(config-if)#des link to r3 r4(config-if)#ip add 192.168.4.1 255.255.255.0 r4(config-if)#no shut r4(config-if)#router ospf 1 r4(config-route)#network 192.168.4.0 0.0.0.255 area 0 r4(config-route)#end r4#
r1#show run Building configuration...
Current configuration : 671 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname r1 ! boot-start-marker boot-end-marker ! enable secret 5 $1$93MJ$RIJuOjEbg3U1o76DlTq.k0 ! no aaa new-model ip subnet-zero ! ! no ip domain lookup ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 description link to r2 ip address 192.168.1.1 255.255.255.0 duplex half ! router eigrp 1 network 192.168.1.0 auto-summary ! ip classless no ip http server ! ! ! ! ! ! ! ! ! gatekeeper shutdown ! banner motd ^CWelcome to r1^C ! line con 0 exec-timeout 0 0 stopbits 1 line aux 0 stopbits 1 line vty 0 4 no login ! ! end
r1#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
D EX 192.168.4.0/24 [170/284160] via 192.168.1.2, 00:03:12, FastEthernet0/0 C 192.168.1.0/24 is directly connected, FastEthernet0/0 r1#192.168.1.2 Trying 192.168.1.2 ... Open Welcome to r2 r2>en Password: r2#show run Building configuration...
Current configuration : 1033 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname r2 ! boot-start-marker boot-end-marker ! enable secret 5 $1$nfX9$iEsXqZ3O7GoyxbNOiuu1q/ ! no aaa new-model ip subnet-zero ! ! no ip domain lookup ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 description link to r1 ip address 192.168.1.2 255.255.255.0 duplex half ! interface FastEthernet1/0 description link to r3 ip address 192.168.2.1 255.255.255.0 duplex half ! interface FastEthernet2/0 description link to r3 ip address 192.168.3.1 255.255.255.0 duplex half ! router eigrp 1 redistribute static metric 10000 100 255 1 1500 network 192.168.1.0 auto-summary ! ip classless ip route 192.168.4.0 255.255.255.0 192.168.2.2 ip route 192.168.4.0 255.255.255.0 192.168.3.2 80 permanent no ip http server ! ! ! ! ! ! ! ! ! gatekeeper shutdown ! banner motd ^CWelcome to r2^C ! line con 0 exec-timeout 0 0 stopbits 1 line aux 0 stopbits 1 line vty 0 4 no login ! ! end
r2#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
S 192.168.4.0/24 [1/0] via 192.168.2.2 C 192.168.1.0/24 is directly connected, FastEthernet0/0 C 192.168.2.0/24 is directly connected, FastEthernet1/0 C 192.168.3.0/24 is directly connected, FastEthernet2/0 r2#192.168.2.2 Trying 192.168.2.2 ... Open Welcome to r3 r3>en Password: r3#show run Building configuration...
Current configuration : 1048 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname r3 ! boot-start-marker boot-end-marker ! enable secret 5 $1$/xXM$Kk2tFIse.3tzw0fk91QEB0 ! no aaa new-model ip subnet-zero ! ! no ip domain lookup ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 description link to r4 ip address 192.168.4.2 255.255.255.0 duplex half ! interface FastEthernet1/0 description link to r2 ip address 192.168.2.2 255.255.255.0 duplex half ! interface FastEthernet2/0 description link to r2 ip address 192.168.3.2 255.255.255.0 duplex half ! router ospf 1 log-adjacency-changes redistribute static metric 10 subnets network 192.168.4.0 0.0.0.255 area 0 ! ip classless ip route 192.168.1.0 255.255.255.0 192.168.2.1 ip route 192.168.1.0 255.255.255.0 192.168.3.1 80 permanent no ip http server ! ! ! ! ! ! ! ! ! gatekeeper shutdown ! banner motd ^CWelcome to r3^C ! line con 0 exec-timeout 0 0 stopbits 1 line aux 0 stopbits 1 line vty 0 4 no login ! ! end
r3#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.4.0/24 is directly connected, FastEthernet0/0 S 192.168.1.0/24 [1/0] via 192.168.2.1 C 192.168.2.0/24 is directly connected, FastEthernet1/0 C 192.168.3.0/24 is directly connected, FastEthernet2/0 r3#192.168.4.1 Trying 192.168.4.1 ... Open Welcome to r4 r4>en Password: r4#show run Building configuration...
Current configuration : 696 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname r4 ! boot-start-marker boot-end-marker ! enable secret 5 $1$.MgA$oiZzev3uV86CoCVvsPjoo0 ! no aaa new-model ip subnet-zero ! ! no ip domain lookup ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 description link to r3 ip address 192.168.4.1 255.255.255.0 duplex half ! router ospf 1 log-adjacency-changes network 192.168.4.0 0.0.0.255 area 0 ! ip classless no ip http server ! ! ! ! ! ! ! ! ! gatekeeper shutdown ! banner motd ^CWelcome to r4^C ! line con 0 exec-timeout 0 0 stopbits 1 line aux 0 stopbits 1 line vty 0 4 no login ! ! end
r4#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.4.0/24 is directly connected, FastEthernet0/0 O E2 192.168.1.0/24 [110/10] via 192.168.4.2, 00:11:04, FastEthernet0/0
r4#traceroute 192.168.1.1
Type escape sequence to abort. Tracing the route to 192.168.1.1
Welcome to r2 r2>en Password: r2#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
S 192.168.4.0/24 [80/0] via 192.168.3.2 C 192.168.1.0/24 is directly connected, FastEthernet0/0 C 192.168.3.0/24 is directly connected, FastEthernet2/0 r2#192.168.3.2 Trying 192.168.3.2 ... Open Welcome to r3 r3>en Password: r3#show ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.4.0/24 is directly connected, FastEthernet0/0 S 192.168.1.0/24 [80/0] via 192.168.3.1 C 192.168.3.0/24 is directly connected, FastEthernet2/0 r3#192.168.4.1 Trying 192.168.4.1 ... Open Welcome to r4 r4>en Password:
r4#traceroute 192.168.1.1
Type escape sequence to abort. Tracing the route to 192.168.1.1
