R1-R2-R3静态路由配置的练习
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R1配置如下：
R1#
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z. R1(config)#
R1(config)#
R1(config)#hostname R1
R1(config)#
R1(config)#enable secret tony123
R1(config)#
R1(config)#username admin password admin123
R1(config)#
R1(config)#
R1(config)#line vty 0 4
R1(config-line)#
R1(config-line)#password tony 123
R1(config-line)#
R1(config-line)#login
R1(config-line)#
R1(config-line)#exit
R1(config)#
R1(config)#line console 0
R1(config-line)#
R1(config-line)#password tony123
R1(config-line)#
R1(config-line)#login
R1(config-line)#
R1(config-line)#exit
R1(config)#
R1(config)#
R1(config)#int f0/0
R1(config-if)#
R1(config-if)#ip add 12.12.12.1 255.255.255.252
R1(config-if)#
R1(config-if)#no shutdown
R1(config-if)#
R1(config-if)#
*Mar 1 00:15:33.739: %LINK-3-UPDOWN: Interface FastEthernet0/0,
changed state to up
*Mar 1 00:15:34.739: %LINEPROTO-5-UPDOWN: Line protocol on Interface
FastEthernet0/0, changed state to up
R1(config-if)#end
R1#
R1#
R1#
R1#sh ip int br
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 12.12.12.1 YES manual up up
FastEthernet0/1 unassigned YES unset administratively down down
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#
R1(config)#ip route 23.23.23.0 255.255.255.252 ?
A.B.C.D Forwarding router's address
Async Async interface
BVI Bridge-Group Virtual Interface
CDMA-Ix CDMA Ix interface
CTunnel CTunnel interface
DHCP Default Gateway obtained from DHCP
Dialer Dialer interface
FastEthernet FastEthernet IEEE 802.3
Lex Lex interface
Loopback Loopback interface
MFR Multilink Frame Relay bundle interface
Multilink Multilink-group interface
Null Null interface
Port-channel Ethernet Channel of interfaces
Tunnel Tunnel interface
Vif PGM Multicast Host interface
Virtual-PPP Virtual PPP interface
Virtual-TokenRing Virtual TokenRing
XTagATM Extended Tag ATM interface
vmi Virtual Multipoint Interface
R1(config)#ip route 23.23.23.0 255.255.255.252
R1#
*Mar 1 00:39:00.527: %SYS-5-CONFIG_I: Configured from console by console
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#ip 23.23.23.0 255.255.255.252 12.12.12.2
^
% Invalid input detected at '^' marker.
R1(config)#ip route 23.23.23.0 255.255.255.252 12.12.12.2
R1(config)#
R1(config)#
R1(config)#end
R1#
R1#
*Mar 1 00:46:04.623: %SYS-5-CONFIG_I: Configured from console by console
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
23.0.0.0/30 is subnetted, 1 subnets
S 23.23.23.0 [1/0] via 12.12.12.2
12.0.0.0/30 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, FastEthernet0/0