R1-R2-R3静态路由配置的练习
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R1配置如下:R1#R1#conf tEnter configuration commands, one per line. End with CNTL/Z. R1(config)#R1(config)#R1(config)#hostname R1R1(config)#R1(config)#enable secret tony123R1(config)#R1(config)#username admin password admin123R1(config)#R1(config)#R1(config)#line vty 0 4R1(config-line)#R1(config-line)#password tony 123R1(config-line)#R1(config-line)#loginR1(config-line)#R1(config-line)#exitR1(config)#R1(config)#line console 0R1(config-line)#R1(config-line)#password tony123R1(config-line)#R1(config-line)#loginR1(config-line)#R1(config-line)#exitR1(config)#R1(config)#R1(config)#int f0/0R1(config-if)#R1(config-if)#ip add 12.12.12.1 255.255.255.252R1(config-if)#R1(config-if)#no shutdownR1(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 InterfaceFastEthernet0/0, changed state to upR1(config-if)#endR1#R1#R1#R1#sh ip int brInterface IP-Address OK? Method Status ProtocolFastEthernet0/0 12.12.12.1 YES manual up upFastEthernet0/1 unassigned YES unset administratively down downR1#conf tEnter 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 addressAsync Async interfaceBVI Bridge-Group Virtual InterfaceCDMA-Ix CDMA Ix interfaceCTunnel CTunnel interfaceDHCP Default Gateway obtained from DHCPDialer Dialer interfaceFastEthernet FastEthernet IEEE 802.3Lex Lex interfaceLoopback Loopback interfaceMFR Multilink Frame Relay bundle interfaceMultilink Multilink-group interfaceNull Null interfacePort-channel Ethernet Channel of interfacesTunnel Tunnel interfaceVif PGM Multicast Host interfaceVirtual-PPP Virtual PPP interfaceVirtual-TokenRing Virtual TokenRingXTagATM Extended Tag ATM interfacevmi Virtual Multipoint InterfaceR1(config)#ip route 23.23.23.0 255.255.255.252R1#*Mar 1 00:39:00.527: %SYS-5-CONFIG_I: Configured from console by consoleR1#conf tEnter 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 12.12.12.2R1(config)#R1(config)#R1(config)#endR1#R1#*Mar 1 00:46:04.623: %SYS-5-CONFIG_I: Configured from console by consoleR1#show ip routeCodes: C - connected, S - static, R - RIP, M - mobile, B - BGPD - 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 2i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2ia - IS-IS inter area, * - candidate default, U - per-user static routeo - ODR, P - periodic downloaded static routeGateway of last resort is not set23.0.0.0/30 is subnetted, 1 subnetsS 23.23.23.0 [1/0] via 12.12.12.212.0.0.0/30 is subnetted, 1 subnetsC 12.12.12.0 is directly connected, FastEthernet0/0R1#ping 23.23.23.2Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 23.23.23.2, timeout is 2 seconds: !!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 40/51/60 ms R1#R1#R2配置如下:R2>enableR2#R2#R2#R2#R2#conf tEnter configuration commands, one per line. End with CNTL/Z.R2(config)#R2(config)#R2(config)#hostname R2R2(config)#R2(config)#R2(config)#enable secret tony123R2(config)#R2(config)#R2(config)#username admin password admin123R2(config)#R2(config)#R2(config)#line vty 0 4R2(config-line)#R2(config-line)#R2(config-line)#password tony123R2(config-line)#R2(config-line)#loginR2(config-line)#R2(config-line)#exitR2(config)#R2(config)#R2(config)#line console 0R2(config-line)#R2(config-line)#R2(config-line)#password tony123R2(config-line)#R2(config-line)#loginR2(config-line)#R2(config-line)#endR2#R2#R2#R2#R2#conf tEnter configuration commands, one per line. End with CNTL/Z.R2(config)#R2(config)#R2(config)#int f0/0R2(config-if)#R2(config-if)#R2(config-if)#ip add 12.12.12.2 255.255.255.252R2(config-if)#R2(config-if)#no shutdownR2(config-if)#R2(config-if)#endR2#*Mar 1 00:25:10.683: %SYS-5-CONFIG_I: Configured from console by consoleR2#R2#ping 12.12.12.1Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 12.12.12.1, timeout is 2 seconds:.!!!!Success rate is 80 percent (4/5), round-trip min/avg/max = 20/32/44 msR2#R2#R2#sh ip int brInterface IP-Address OK? Method Status ProtocolFastEthernet0/0 12.12.12.2 YES manual up upFastEthernet0/1 unassigned YES unset administratively down downR2#conf tEnter configuration commands, one per line. End with CNTL/Z.R2(config)#R2(config)#R2(config)#int f0/1R2(config-if)#R2(config-if)#ip add 23.23.23.1 255.255.255.252R2(config-if)#R2(config-if)#no shutdownR2(config-if)#R2(config-if)#endR2#R2#*Mar 1 00:26:51.567: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to upR2#*Mar 1 00:26:52.287: %SYS-5-CONFIG_I: Configured from console by console*Mar 1 00:26:52.567: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to upR2#R2#R2#sh ip int brInterface IP-Address OK? Method Status ProtocolFastEthernet0/0 12.12.12.2 YES manual up upFastEthernet0/1 23.23.23.1 YES manual up upR2#R3配置如下:R3#R3#R3#R3#conf tEnter configuration commands, one per line. End with CNTL/Z.R3(config)#R3(config)#R3(config)#hostname R3R3(config)#R3(config)#enable secret tony123R3(config)#R3(config)#R3(config)#username admin password admin123R3(config)#R3(config)#R3(config)#line vty 0 4R3(config-line)#R3(config-line)#password tony123R3(config-line)#R3(config-line)#loginR3(config-line)#R3(config-line)#endR3#R3#*Mar 1 00:22:01.655: %SYS-5-CONFIG_I: Configured from console by consoleR3#confConfiguring from terminal, memory, or network [terminal]?Enter configuration commands, one per line. End with CNTL/Z.R3(config)#R3(config)#line% Incomplete command.R3(config)#line console 0R3(config-line)#R3(config-line)#password tony123R3(config-line)#R3(config-line)#loginR3(config-line)#R3(config-line)#exitR3(config)#R3(config)#int f0/0R3(config-if)#R3(config-if)#ip add 23.23.23.2 255.255.255.252R3(config-if)#R3(config-if)#no shutdownR3(config-if)#R3(config-if)#en*Mar 1 00:24:21.323: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up*Mar 1 00:24:22.323: %LINEPROTO-5-UPDOWN: Line protocol on InterfaceFastEthernet0/0, changed state to upR3(config-if)#endR3#*Mar 1 00:24:24.923: %SYS-5-CONFIG_I: Configured from console by console R3#ping 23.23.23.1Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 23.23.23.1, timeout is 2 seconds:.!!!!Success rate is 80 percent (4/5), round-trip min/avg/max = 24/32/36 msR3#R3#R3#conf tEnter configuration commands, one per line. End with CNTL/Z.R3(config)#ip route 12.12.12.0 255.255.255.252 ?A.B.C.D Forwarding router's addressAsync Async interfaceBVI Bridge-Group Virtual InterfaceCDMA-Ix CDMA Ix interfaceCTunnel CTunnel interfaceDHCP Default Gateway obtained from DHCPDialer Dialer interfaceFastEthernet FastEthernet IEEE 802.3Lex Lex interfaceLoopback Loopback interfaceMFR Multilink Frame Relay bundle interfaceMultilink Multilink-group interfaceNull Null interfacePort-channel Ethernet Channel of interfacesTunnel Tunnel interfaceVif PGM Multicast Host interfaceVirtual-PPP Virtual PPP interfaceVirtual-TokenRing Virtual TokenRingXTagATM Extended Tag ATM interfacevmi Virtual Multipoint InterfaceR3(config)#ip route 12.12.12.0 255.255.255.252 23.23.23.1R3(config)#R3(config)#R3(config)#R3(config)#ping 12.12.12.1^% Invalid input detected at '^' marker.R3(config)#endR3#R3#R3#*Mar 1 00:43:04.647: %SYS-5-CONFIG_I: Configured from console by console R3#ping 12.12.12.1Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 12.12.12.1, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 24/55/84 msR3#R3#至此R3-R1能互通了。