命令:

　　username cisco privilege 0 password 0 cisco

　　privilege exec level 0 show ip route

　　效果：

　　R1#telnet 192.168.0.1

　　Trying 192.168.0.1 ... Open

　　User Access Verification

　　Username: cisco

　　Password:

　　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 not set

　　10.0.0.0/24 is subnetted, 1 subnets

　　C 10.0.23.0 is directly connected, Ethernet0/1

　　C 192.168.0.0/24 is directly connected, Ethernet0/0

　　R2>

        希望以上的内容能够帮助到你。