静态路由配置

qder

Configure  terminal

interface  fastEthernet 0/0

Ip  address 192.168.12.1 255.255.255.0

No shut

Exit

Ip route 192.168.23.0 255.255.255.0 192.168.12.2         注：这里可以跟出站的接口

Ip  route 192.168.34.0 255.255.255.0 192.168.23.3

Configuration :

R1: interface  FastEthernet0/0 ip address 192.168.12.1 255.255.255.0 duplex auto speed auto ip route  192.168.23.0 255.255.255.0 192.168.12.2 ip route  192.168.34.0 255.255.255.0 192.168.23.3	R1#show ip route Gateway of last  resort is not set C    192.168.12.0/24 is directly connected,  FastEthernet0/0 S    192.168.23.0/24 [1/0] via 192.168.12.2 S    192.168.34.0/24 [1/0] via 192.168.23.3	R2: interface  FastEthernet0/0 ip address 192.168.12.2 255.255.255.0 duplex auto speed auto ! interface  FastEthernet0/1 ip address 192.168.23.2 255.255.255.0 duplex auto speed auto ip route  192.168.34.0 255.255.255.0 192.168.23.3	R2#show ip route Gateway of last  resort is not set C    192.168.12.0/24 is directly connected,  FastEthernet0/0 C    192.168.23.0/24 is directly connected,  FastEthernet0/1 S    192.168.34.0/24 [1/0] via 192.168.23.3
R3: interface  FastEthernet0/0 ip address 192.168.23.3 255.255.255.0 duplex auto speed auto ! interface  FastEthernet0/1 ip address 192.168.34.3 255.255.255.0 duplex auto speed auto ! ip route  192.168.12.0 255.255.255.0 192.168.23.2	R3#showip route Gateway of last  resort is not set S    192.168.12.0/24 [1/0] via 192.168.23.2 C    192.168.23.0/24 is directly connected,  FastEthernet0/0 C    192.168.34.0/24 is directly connected,  FastEthernet0/1	R4: interface  FastEthernet0/0 ip address 192.168.34.4 255.255.255.0 duplex auto speed auto ip route  192.168.12.0 255.255.255.0 192.168.23.2 ip route  192.168.23.0 255.255.255.0 192.168.34.3	R4#show ip route Gateway of last  resort is not set S    192.168.12.0/24 [1/0] via 192.168.23.2 S    192.168.23.0/24 [1/0] via 192.168.34.3 C    192.168.34.0/24 is directly connected,  FastEthernet0/0 注：静态路由在路由表中是以“S”开头的

测试：

R1#ping  192.168.23.3 source 192.168.12.1 repeat 10 Type escape  sequence to abort. Sending 10,  100-byte ICMP Echos to 192.168.23.3, timeout is 2 seconds: Packet sent with a  source address of 192.168.12.1 !!!!!!!!!!（能够正常回包） Success rate is  100 percent (10/10), round-trip min/avg/max = 40/78/164 ms

R4#ping  192.168.12.1 source 192.168.34.4 repeat 10 Type escape  sequence to abort. Sending 10,  100-byte ICMP Echos to 192.168.12.1, timeout is 2 seconds: Packet sent with a  source address of 192.168.34.4 !!!!!!!!!! Success rate is  100 percent (10/10), round-trip min/avg/max = 40/103/148 ms

第三种配置（出站接口跟下一跳IP地址）之后路由表出现的路由

23.0.0.0/24 is subnetted, 1 subnets S       23.0.0.0  [1/0] via 12.12.12.2, FastEthernet0/0我们可以看出这个是用出站接口跟NEXT-HOP address　所表示出来的路由表的不同

ph033378

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mm111222

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走自己的路，让别人打车去吧。