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CCNP Day4 EIGRP默认路由二

时间：2022-11-25 14:35:03浏览次数：60  
标签：24 CCNP 0.0 Day4 172.16 EIGRP external type OSPF

1、网络拓扑

 

2、第三种方式配置默认路由（接口下汇总的方式）

R3#
R3#config t
Enter configuration commands, one per line.  End with CNTL/Z.        
R3(config)#interface s1/0
R3(config-if)#ip summary-address eigrp 100 0.0.0.0 0.0.0.0
R3(config-if)#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 0.0.0.0 to network 0.0.0.0

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/2300416] via 192.168.23.1, 00:00:05, Serial1/0
     3.0.0.0/24 is subnetted, 1 subnets
C       3.3.3.0 is directly connected, Loopback0
     172.16.0.0/24 is subnetted, 1 subnets
D       172.16.12.0 [90/2172416] via 192.168.23.1, 00:00:05, Serial1/0
C    192.168.23.0/24 is directly connected, Serial1/0
D*   0.0.0.0/0 is a summary, 00:00:05, Null0
R3#


R2#
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 192.168.23.2 to network 0.0.0.0

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/156160] via 172.16.12.1, 02:26:25, FastEthernet0/0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
C    192.168.23.0/24 is directly connected, Serial1/0
D*   0.0.0.0/0 [90/2297856] via 192.168.23.2, 00:00:26, Serial1/0
R2#


R1#
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 172.16.12.2 to network 0.0.0.0

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
D    192.168.23.0/24 [90/2172416] via 172.16.12.2, 02:26:47, FastEthernet0/0
D*   0.0.0.0/0 [90/2300416] via 172.16.12.2, 00:00:40, FastEthernet0/0
R1#

3、第四种方式配置默认路由（特定路由的默认路由）

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

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/2300416] via 192.168.23.1, 00:00:39, Serial1/0
     3.0.0.0/24 is subnetted, 1 subnets
C       3.3.3.0 is directly connected, Loopback0
     172.16.0.0/24 is subnetted, 1 subnets
D       172.16.12.0 [90/2172416] via 192.168.23.1, 00:00:39, Serial1/0
C    192.168.23.0/24 is directly connected, Serial1/0
R3#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#interface loopback 33
R3(config-if)#ip add 33.0.0.33 255.0.0.0
R3(config-if)#no shutdown 
R3(config-if)#exit
R3(config)#router eigrp 100 
R3(config-router)#network 33.0.0.33 0.0.0.0
R3(config-router)#end
R3#show ip
*Nov 25 13:04:08.023: %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

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/2300416] via 192.168.23.1, 00:01:42, Serial1/0
C    33.0.0.0/8 is directly connected, Loopback33
     3.0.0.0/24 is subnetted, 1 subnets
C       3.3.3.0 is directly connected, Loopback0
     172.16.0.0/24 is subnetted, 1 subnets
D       172.16.12.0 [90/2172416] via 192.168.23.1, 00:01:42, Serial1/0
C    192.168.23.0/24 is directly connected, Serial1/0
R3#

R3#config t
Enter configuration commands, one per line.  End with CNTL/Z.
R3(config)#ip default-network 33.0.0.0  
R3(config)#end
R3#shiw
*Nov 25 13:06:15.331: %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

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/2300416] via 192.168.23.1, 00:03:49, Serial1/0
C*   33.0.0.0/8 is directly connected, Loopback33
     3.0.0.0/24 is subnetted, 1 subnets
C       3.3.3.0 is directly connected, Loopback0
     172.16.0.0/24 is subnetted, 1 subnets
D       172.16.12.0 [90/2172416] via 192.168.23.1, 00:03:49, Serial1/0
C    192.168.23.0/24 is directly connected, Serial1/0
R3#



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

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/156160] via 172.16.12.1, 02:41:09, FastEthernet0/0
D    33.0.0.0/8 [90/2297856] via 192.168.23.2, 00:00:19, Serial1/0
     3.0.0.0/24 is subnetted, 1 subnets
D       3.3.3.0 [90/2297856] via 192.168.23.2, 00:01:53, Serial1/0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
C    192.168.23.0/24 is directly connected, Serial1/0
R2#
R2#
R2#
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 192.168.23.2 to network 33.0.0.0

     1.0.0.0/24 is subnetted, 1 subnets
D       1.1.1.0 [90/156160] via 172.16.12.1, 02:43:41, FastEthernet0/0
D*   33.0.0.0/8 [90/2297856] via 192.168.23.2, 00:00:42, Serial1/0
     3.0.0.0/24 is subnetted, 1 subnets
D       3.3.3.0 [90/2297856] via 192.168.23.2, 00:04:24, Serial1/0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
C    192.168.23.0/24 is directly connected, Serial1/0
R2#


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

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback0
     3.0.0.0/24 is subnetted, 1 subnets
D       3.3.3.0 [90/2300416] via 172.16.12.2, 00:00:03, FastEthernet0/0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
D    192.168.23.0/24 [90/2172416] via 172.16.12.2, 02:39:28, FastEthernet0/0
R1#
R1#
R1#
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 172.16.12.2 to network 33.0.0.0

     1.0.0.0/24 is subnetted, 1 subnets
C       1.1.1.0 is directly connected, Loopback0
D*   33.0.0.0/8 [90/2300416] via 172.16.12.2, 00:01:11, FastEthernet0/0
     3.0.0.0/24 is subnetted, 1 subnets
D       3.3.3.0 [90/2300416] via 172.16.12.2, 00:04:53, FastEthernet0/0
     172.16.0.0/24 is subnetted, 1 subnets
C       172.16.12.0 is directly connected, FastEthernet0/0
D    192.168.23.0/24 [90/2172416] via 172.16.12.2, 02:44:18, FastEthernet0/0
R1#

 

标签：24,CCNP,0.0,Day4,172.16,EIGRP,external,type,OSPF
From： https://www.cnblogs.com/leishu/p/16924995.html

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