Static Route靜態路由
192.168.0.1的這台電腦要與192.168.1.1這台電腦互通，在沒有路由的情況下是會在router就會迷路了。
所以我們可以檢查一下路由的狀況:
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Router-0#show ip route Codes: C - connected, S - static, I - IGRP, 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, E - EGP i - IS-IS, 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
10.0.0.0/29 is subnetted, 1 subnets C 10.1.1.0 is directly connected, FastEthernet0/1 只認得和自己相連的網段 C 192.168.0.0/24 is directly connected, FastEthernet0/0 |
建立一筆通往10.1.1.2的路由:
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Router-0(config)#ip route 192.168.1.0 255.255.255.0 10.1.1.2 收到目的地是往192.168.1.0/255.255.255.0網段的封包時，請往10.1.1.2轉送 Router-0(config)#exit Router-0# %SYS-5-CONFIG_I: Configured from console by console
Router-0#show ip route 設定完畢後檢查路由 Codes: C - connected, S - static, I - IGRP, 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, E - EGP i - IS-IS, 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
10.0.0.0/29 is subnetted, 1 subnets C 10.1.1.0 is directly connected, FastEthernet0/1 C 192.168.0.0/24 is directly connected, FastEthernet0/0 S 192.168.1.0/24 [1/0] via 10.1.1.2 |
建立回到192.168.0.0/255.255.255.0的路由:
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Router-1(config)#ip route 192.168.0.0 255.255.255.0 10.1.1.1 路由都是雙向的，有去就會有回，所以相對的也要設定另一端路由 Router-1(config)#exit Router-1# %SYS-5-CONFIG_I: Configured from console by console
Router-1#show ip route Codes: C - connected, S - static, I - IGRP, 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, E - EGP i - IS-IS, 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
10.0.0.0/29 is subnetted, 1 subnets C 10.1.1.0 is directly connected, FastEthernet0/1 S 192.168.0.0/24 [1/0] via 10.1.1.1 C 192.168.1.0/24 is directly connected, FastEthernet0/0 |
如此192.168.0.1就能夠與192.168.1.1互通
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PC>ping 192.168.1.1
Pinging 192.168.1.1 with 32 bytes of data: Reply from 192.168.1.1: bytes=32 time=0ms TTL=126 Reply from 192.168.1.1: bytes=32 time=0ms TTL=126 Reply from 192.168.1.1: bytes=32 time=0ms TTL=126 Reply from 192.168.1.1: bytes=32 time=0ms TTL=126
Ping statistics for 192.168.1.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms |
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