CCNP Day2 路由分类及EIGRP

1、路由分类

2、EIGRP网络拓扑测试

 

 

 

3、路由器基础配置

R1的基础配置
R1>enable
R1#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R1(config)#interface f0/0
R1(config-if)#ip address 172.16.12.1 255.255.255.0
R1(config-if)#no shu
R1(config)#interface loopback 0
R1(config-if)#ip address 1.1.1.1 255.255.255.0
R1(config-if)#no shutdown 
R1(config-if)#

R2的基础配置

R2>enable
R2#config t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#interface f0/0
R2(config-if)#ip address 172.16.12.2 255.255.255.0
R2(config-if)#no shu

R2(config)#interface s1/0
R2(config-if)#ip add 192.168,23.1 255.255.255.0

R2(config-if)#ip add 192.168.23.1 255.255.255.0
R2(config-if)#no shu
R2(config-if)#

R3的基础配置

R3>
R3>eanble
Translating "eanble"

R3#config t
R3(config)#interface s1/0

R3(config-if)#ip address 192.168.23.2 255.255.255.0

R3(config-if)#no shutdown
R3(config-if)#exit

R3(config-if)#ip address 3.3.3.3 255.255.255.0
R3(config-if)#no shu
R3(config-if)#no shutdown

3、EIGRP配置

 

R1(config)#router eigrp 99 
R1(config-router)#network 172.16.12.0 0.0.0.255          /****使用标准反掩码方式宣告*****/
R1(config-router)#

R1#show running-config | b r e
router eigrp 99
network 172.16.12.0 0.0.0.255

R1#config t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router eigrp 99
R1(config-router)#no network 172.16.12.0 0.0.0.255
R1(config-router)#network 172.16.12.0 255.255.255.0     /****使用标准网络方式宣告，系统内部会自动转反掩码*****/

R1(config-router)#network 1.1.1.0 0.0.0.255

R1#show run | b r e
router eigrp 99
network 172.16.12.0 0.0.0.255
auto-summary

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

1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 1.1.1.0/24 is directly connected, Loopback0
D 1.0.0.0/8 is a summary, 00:00:40, Null0
D 3.0.0.0/8 [90/2300416] via 172.16.12.2, 00:02:29, FastEthernet0/0
172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C 172.16.12.0/24 is directly connected, FastEthernet0/0
D 172.16.0.0/16 is a summary, 00:00:40, Null0
D 192.168.23.0/24 [90/2172416] via 172.16.12.2, 00:03:14, FastEthernet0/0
R1#

 R2 EIGRP配置

R2(config)#router eigrp 99
R2(config-router)#network 172.16.12.0 0.0.0.255
*Nov 23 08:55:30.759: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 99: Neighbor 172.16.12.1 (FastEthernet0/0) is up: new adjacency
R2(config-router)#network 192.168.23.0 0.0.0.255
*Nov 23 08:56:17.883: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 99: Neighbor 192.168.23.2 (Serial1/0) is up: new adjacency
R2(config)#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

D    1.0.0.0/8 [90/156160] via 172.16.12.1, 01:15:16, FastEthernet0/0
D    3.0.0.0/8 [90/2297856] via 192.168.23.2, 01:17:05, Serial1/0
     172.16.0.0/16 is variably subnetted, 2 subnets, 2 masks
C       172.16.12.0/24 is directly connected, FastEthernet0/0
D       172.16.0.0/16 is a summary, 01:17:50, Null0
C    192.168.23.0/24 is directly connected, Serial1/0
R2#

R3 EIGRP配置

R3(config)#router eigrp 99
R3(config-router)#network 192.168.23.0 0.0.0.255
R3(config-router)#network 3.3.3.0 0
*Nov 23 08:56:21.863: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 99: Neighbor 192.168.23.1 (Serial1/0) is up: new adjacency
R3(config-router)#network 3.3.3.0 0.0.0.255
R3(config-router)#exit
R3(config)#end
R3#show ip
*Nov 23 08:56:36.919: %SYS-5-CONFIG_I: Configured from console by console
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

     3.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C       3.3.3.0/24 is directly connected, Loopback0
D       3.0.0.0/8 is a summary, 00:00:10, Null0
D    172.16.0.0/16 [90/2172416] via 192.168.23.1, 00:00:17, Serial1/0
C    192.168.23.0/24 is directly connected, Serial1/0
R3#

连通性测试

R1#ping 3.3.3.3

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/67/84 ms
R1#

R3#ping 1.1.1.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 60/65/72 ms
R3#

 EIGRP路由基础汇总：