CISCO的静态路由配置
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三台路由器和两台PC机
配置R1的路由
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#int e0/0
R1(config-if)#ip add
R1(config-if)#ip address 192.168.20.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#int e0
*Mar 1 00:03:37.803: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up
*Mar 1 00:03:38.803: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to up
R1(config-if)#int e0/1
R1(config-if)#ip add
R1(config-if)#ip address 192.168.10.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#
*Mar 1 00:03:57.123: %LINK-3-UPDOWN: Interface Ethernet0/1, changed state to up
*Mar 1 00:03:58.123: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/1, changed state to up
R1(config-if)#do sh ip int br
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 192.168.20.1 YES manual up up
Ethernet0/1 192.168.10.1 YES manual up up
Ethernet0/2 unassigned YES unset administratively down down
Ethernet0/3 unassigned YES unset administratively down down
R1(config-if)#do 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
C 192.168.10.0/24 is directly connected, Ethernet0/1
C 192.168.20.0/24 is directly connected, Ethernet0/0
R1(config-if)#
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#ip route 192.168.30.0 255.255.255.0 192.168.20.2
R1(config)#ip route 192.168.40.0 255.255.255.0 192.168.30.2
R1(config)#do 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
S 192.168.30.0/24 [1/0] via 192.168.20.2
C 192.168.10.0/24 is directly connected, Ethernet0/1
S 192.168.40.0/24 [1/0] via 192.168.30.2
C 192.168.20.0/24 is directly connected, Ethernet0/0
配置R2的路由
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#int
R2(config)#int e0/0
R2(config-if)#ip add
R2(config-if)#ip address 192.168.20.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#int e0/1
R2(config-if)#
*Mar 1 00:29:15.435: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up
*Mar 1 00:29:16.435: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to up
R2(config-if)#ip add
R2(config-if)#ip address 192.168.30.1 255.255.255.0
R2(config-if)#no sh
R2(config-if)#do sh ip ro
*Mar 1 00:29:27.283: %LINK-3-UPDOWN: Interface Ethernet0/1, changed state to up
*Mar 1 00:29:28.283: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/1, changed state to up
R2(config-if)#do 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
C 192.168.30.0/24 is directly connected, Ethernet0/1
C 192.168.20.0/24 is directly connected, Ethernet0/0
R2(config-if)#do sh ip int br
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 192.168.20.2 YES manual up up
Ethernet0/1 192.168.30.1 YES manual up up
Ethernet0/2 unassigned YES unset administratively down down
Ethernet0/3 unassigned YES unset administratively down down
R2(config-if)#
R2#en
R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R2(config)#ip route 192.168.10.0 255.255.255.0 192.168.20.1
R2(config)#ip route 192.168.40.0 255.255.255.0 192.168.30.2
R2(config)#do 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
C 192.168.30.0/24 is directly connected, Ethernet0/1
S 192.168.10.0/24 [1/0] via 192.168.20.1
S 192.168.40.0/24 [1/0] via 192.168.30.2
C 192.168.20.0/24 is directly connected, Ethernet0/0
R2(config)#
配置R3的路由
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#int g
R3(config)#int e0/0
R3(config-if)#ip add
R3(config-if)#ip address 192.168.30.2 255.255.255.0
R3(config-if)#no sh
R3(config-if)#int e0/1
R3(config-if)#
*Mar 1 00:32:14.107: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up
*Mar 1 00:32:15.107: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/0, changed state to up
R3(config-if)#ip add
R3(config-if)#ip address 192.168.40.1 255.255.255.0
R3(config-if)#no sh
R3(config-if)#do sh ip ro
*Mar 1 00:32:29.031: %LINK-3-UPDOWN: Interface Ethernet0/1, changed state to up
*Mar 1 00:32:30.031: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0/1, changed state to up
R3(config-if)#do sh ip int br
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 192.168.30.2 YES manual up up
Ethernet0/1 192.168.40.1 YES manual up up
Ethernet0/2 unassigned YES unset administratively down down
Ethernet0/3 unassigned YES unset administratively down down
R3(config-if)#do 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
C 192.168.30.0/24 is directly connected, Ethernet0/0
C 192.168.40.0/24 is directly connected, Ethernet0/1
R3(config-if)#
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.1
R3(config)#ip route 192.168.10.0 255.255.255.0 192.168.20.1
R3(config)#do 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
C 192.168.30.0/24 is directly connected, Ethernet0/0
S 192.168.10.0/24 [1/0] via 192.168.20.1
C 192.168.40.0/24 is directly connected, Ethernet0/1
S 192.168.20.0/24 [1/0] via 192.168.30.1
R3(config)#
配置PC机的IP地址和ping
能Ping通就说明配置没问题
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