cisco靜态路由

1.1靜态路由基本配置

1．1.1實驗目的：

為路由器配置靜态路由，進而了解路由發上的過程。

1.1.2實驗拓撲：

<a href="http://img1.51cto.com/attachment/201112/105513326.jpg" target="_blank"></a>

1.1.3實驗配置：

R2的配置：

 interface Loopback0

 ip address 2.2.2.2 255.255.255.0

interface Serial0/2

 ip address 26.26.26.2 255.255.255.0

ip route 3.3.3.0 255.255.255.0 26.26.26.6

ip route 6.6.6.0 255.255.255.0 26.26.26.6

ip route 36.36.36.0 255.255.255.0 26.26.26.6

R6的配置：

 ip address 6.6.6.6 255.255.255.0

 interface Serial0/2

 ip address 26.26.26.6 255.255.255.0

 interface Serial0/3

 ip address 36.36.36.6 255.255.255.0

ip route 2.2.2.0 255.255.255.0 26.26.26.2

ip route 3.3.3.0 255.255.255.0 36.36.36.3

R3的配置：

interface Loopback0

 ip address 3.3.3.3 255.255.255.0

interface Serial0/3

 ip address 36.36.36.3 255.255.255.0

ip route 2.2.2.0 255.255.255.0 36.36.36.6

ip route 6.6.6.0 255.255.255.0 36.36.36.6

ip route 26.26.26.0 255.255.255.0 36.36.36.6

1.1.4驗證：

檢視路由表，并PING每個路由器的回環接口。

R2

R2#：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

   2.0.0.0/24 is subnetted, 1 subnets

C       2.2.2.0 is directly connected, Loopback0

     3.0.0.0/24 is subnetted, 1 subnets

S       3.3.3.0 [1/0] via 26.26.26.6

     36.0.0.0/24 is subnetted, 1 subnets

S       36.36.36.0 [1/0] via 26.26.26.6

     6.0.0.0/24 is subnetted, 1 subnets

S       6.6.6.0 [1/0] via 26.26.26.6

     26.0.0.0/24 is subnetted, 1 subnets

C       26.26.26.0 is directly connected, Serial0/2

R2#：ping 6.6.6.6

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 6.6.6.6, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 28/53/132 ms

R2#ping 3.3.3.3

Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:

Success rate is 100 percent (5/5), round-trip min/avg/max = 68/92/144 ms

R6

R6#show ip route

       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

     2.0.0.0/24 is subnetted, 1 subnets

S       2.2.2.0 [1/0] via 26.26.26.2

S       3.3.3.0 [1/0] via 36.36.36.3

C       36.36.36.0 is directly connected, Serial0/3

C       6.6.6.0 is directly connected, Loopback0

R6#ping 2.2.2.2

Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:

Success rate is 100 percent (5/5), round-trip min/avg/max = 8/46/92 ms

R6#ping 3.3.3.3

Success rate is 100 percent (5/5), round-trip min/avg/max = 32/61/116 ms

R3

R3#show ip route

S       2.2.2.0 [1/0] via 36.36.36.0

C       3.3.3.0 is directly connected, Loopback0

S       6.6.6.0 [1/0] via 36.36.36.6

S       26.26.26.0 [1/0] via 36.36.36.0

R3#ping 2.2.2.2

Success rate is 100 percent (5/5), round-trip min/avg/max = 28/78/136 ms

R3#ping 6.6.6.6

Success rate is 100 percent (5/5), round-trip min/avg/max = 16/57/140 ms

1.2靜态路由（2）

1.2.1實驗目的：

在全網互訪的基礎上，實作R2的2.2.2.2可以通路R3的3.3.3.3。但R2的26.26.26.2不可以通路R3的3.3.3.3。

1.2.2實驗拓撲：

1.2.3實驗配置：

ip route2 6.26.26.6 255.255.255.255 36.36.36.6

1.2.4驗證：

.....

Success rate is 0 percent (0/5)

R2#ping 3.3.3.3 sou

R2#ping 3.3.3.3 source 2.2.2.2

Packet sent with a source address of 2.2.2.2

Success rate is 100 percent (5/5), round-trip min/avg/max = 56/81/124 ms

1.3浮動靜态路由

1.3.1實驗目的：

使用浮動靜态路由，實作路由備份。

觀察動态路由EIGRP與靜态路由之間的轉換。

1.3.2實驗拓撲：

1.3.3實驗配置：

interface Ethernet1/1

 ip address 62.62.62.2 255.255.255.0

router eigrp 90

 network 2.0.0.0

 network 26.0.0.0

 no auto-summary

ip route 6.6.6.0 255.255.255.0 62.62.62.6 100

 ip address 62.62.62.6 255.255.255.0

 network 6.0.0.0

ip route 2.2.2.0 255.255.255.0 62.62.62.2 100

1.3.4實驗驗證：

D       2.2.2.0 [90/2297856] via 26.26.26.2, 00:00:20, Serial0/2

     62.0.0.0/24 is subnetted, 1 subnets

C       62.62.62.0 is directly connected, Ethernet1/1

R2#show ip route

D       6.6.6.0 [90/2297856] via 26.26.26.6, 00:00:32, Serial0/2

C       62.62.62.0 is directly connected, Ethernet1/1

R6#traceroute 2.2.2.2

Tracing the route to 2.2.2.2

 1 26.26.26.2 88 msec 76 msec *

當把S0/2接口shutdown：

S       2.2.2.0 [100/0] via 62.62.62.2

Success rate is 100 percent (5/5), round-trip min/avg/max = 44/74/164 ms

當接口S0/2 no shutdown：

路由表中重新又有了EIGRP學到的路由

D       2.2.2.0 [90/2297856] via 26.26.26.2, 00:00:08, Serial0/2

 本文轉自 技術花妞妞 51CTO部落格，原文連結:http://blog.51cto.com/xiaogongju/1940994