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Router#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 192.168.3.1 to network 0.0.0.0 C 192.168.6.0/24 is directly connected, FastEthernet0/1 C 192.168.3.0/24 is directly connected, FastEthernet0/0 S* 0.0.0.0/0 [1/0] via 192.168.3.1 原文出处：Netkiller 系列 手札 本文作者：陈景峯 转载请与作者联系，同时请务必标明文章原始出处和作者信息及本声明。