Configuring Default-network for EIGRP

kenny.lei

当EIGRP网络内所有的路由都需要配置到达EXTORNAL NETWORK的默认路由时，可以在全局配置在使用 ip default-network 命令



以上是其中一种方法，其实除了使用 ip default-network 命令来让其它路由自动配置默认路由外，还可以使用重分布 redistribute 来达到同样的效果

R2(config)#router eigrp 50
R2(config-router)#redistribute static metric 10 10 10 10 10

R2#sh 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 192.168.10.2 to network 0.0.0.0
     192.168.10.0/30 is subnetted, 1 subnets
C       192.168.10.0 is directly connected, FastEthernet2/0
     172.16.0.0/30 is subnetted, 2 subnets
C       172.16.1.4 is directly connected, FastEthernet1/0
C       172.16.1.0 is directly connected, FastEthernet0/0
S*   0.0.0.0/0 [1/0] via 192.168.10.2

R1#sh 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 172.16.1.2 to network 0.0.0.0
     172.16.0.0/30 is subnetted, 2 subnets
D       172.16.1.4 [90/30720] via 172.16.1.2, 00:22:04, FastEthernet0/0
C       172.16.1.0 is directly connected, FastEthernet0/0
D*EX 0.0.0.0/0 [170/256005120] via 172.16.1.2, 00:19:54, FastEthernet0/0


同样，其实路由协议也可以使用 重分布 redistribute 来达到相同的效果



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