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IT技术专家：深入解析Cisco静态路由配置

汇鑫小服 更新于 2025-05-08 14:13:15 首发于 2025-05-08 14:29:16 博文资讯 0
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在这片虚拟的网络世界中，有三台重要的路由器：R1、R2和R3。它们就像城市的交通指挥中心，负责指引数据包从源头到目的地的道路。为了实现这一目标，我们首先需要对它们进行配置。
我们以R1为例，首先我们要进入配置模式，这就像是我们进入了R1的控制室，开始调整它的设置。然后我们进入了接口配置模式，就像我们深入到R1的内部，对每一个网络接口进行设置。我们为R1的每个接口分配了ip地址，设置了状态，就像是为每一条道路标上了起点和终点，指示了交通规则。
然后，我们查看了R1的接口IP配置，这就像是我们检查了每一条道路的通行情况，确保没有堵塞，所有道路都能正常通行。我们也查看了R1的路由表，这就像是我们看到了整个城市的交通图，了解哪些道路是畅通的，哪些道路是拥堵的。
接下来，我们对R2和R3进行了类似的配置。我们为它们分配了IP地址，设置了状态，并查看了它们的接口IP和路由表。这样，我们就像是在城市的不同区域都设置了交通指挥中心，确保整个城市的交通都能顺畅。
最后，我们配置了两个虚拟的PC（vpc4和vpc5），它们就像是城市的两个居民点。我们为它们分配了IP地址，并设置了网关。然后，我们在vpc4上ping了vpc5，这就像是从一个居民点向另一个居民点发送了信息，以测试网络的连通性。结果显示，vpc4能够成功ping通vpc5，这表明我们的网络配置是成功的，就像是我们成功地建立了一个畅通无阻的交通网络。
总的来说，网络配置就像是城市的交通规划，我们需要设置好每个节点的规则，确保整个网络都能顺畅运行。通过这次的配置，我们成功地实现了网络设备的互联，保证了数据包能够准确无误地从源头传送到目的地。

实验拓扑

IT技术专家：深入解析Cisco静态路由配置

a2dc4bc2-90f6-11ee-939d-92fbcf53809c.jpg

配置R1

 

Router(config)




R1(config)
R1(config-if)
R1(config-if)




R1(config-if)
R1(config-if)
R1(config-if)




R1(config)
R1(config)
 

 

 
 

 查看接口ip
 

 
 

 

R1
Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.12.1    YES manual up                    up      
Ethernet0/1                192.168.1.254   YES manual up                    up      
Ethernet0/2                unassigned      YES unset  administratively down down    
Ethernet0/3                unassigned      YES unset  administratively down down    
Serial1/0                  unassigned      YES unset  administratively down down    
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down 
 

 

 
 

 查看R1路由表
 

 
 

 

R1
Codes: L - local, 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, H - NHRP, l - LISP
       a - application route
       + - replicated route, % - next hop override, p - overrides from PfR


Gateway of last resort is not set


      192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.1.0/24 is directly connected, Ethernet0/1
L        192.168.1.254/32 is directly connected, Ethernet0/1
S     192.168.3.0/24 [1/0] via 192.168.12.2
      192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.12.0/24 is directly connected, Ethernet0/0
L        192.168.12.1/32 is directly connected, Ethernet0/0
S     192.168.23.0/24 [1/0] via 192.168.12.2
 

 

 
 

 配置R2
 

 
 

 

Router>enable
router
Router(config)




R2(config)
R2(config-if)
R2(config-if)




R2(config-if)
R2(config-if)
R2(config-if)




R2(config)
R2(config)
 

 

 
 

 查看接口ip
 

 
 

 

R2
Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.12.2    YES manual up                    up      
Ethernet0/1                192.168.23.2    YES manual up                    up      
Ethernet0/2                unassigned      YES unset  administratively down down    
Ethernet0/3                unassigned      YES unset  administratively down down    
Serial1/0                  unassigned      YES unset  administratively down down    
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down
 

 

 
 

 查看路由
 

 
 

 

R2
Codes: L - local, 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, H - NHRP, l - LISP
       a - application route
       + - replicated route, % - next hop override, p - overrides from PfR


Gateway of last resort is not set


S     192.168.1.0/24 [1/0] via 192.168.12.1
S     192.168.3.0/24 [1/0] via 192.168.23.3
      192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.12.0/24 is directly connected, Ethernet0/0
L        192.168.12.2/32 is directly connected, Ethernet0/0
      192.168.23.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.23.0/24 is directly connected, Ethernet0/1
L        192.168.23.2/32 is directly connected, Ethernet0/1
 

 

 
 

 配置R3
 

 
 

 

Router>enable 
Router
Router(config)
R3(config)


R3(config)
R3(config-if)
R3(config-if)


R3(config-if)
R3(config-if)
R3(config-if)


R3(config)
R3(config)
 



 

 
 

 查看接口ip
 

 
 

 

R3
Interface                  IP-Address      OK? Method Status                Protocol
Ethernet0/0                192.168.23.3    YES manual up                    up      
Ethernet0/1                192.168.3.254   YES manual up                    up      
Ethernet0/2                unassigned      YES unset  administratively down down    
Ethernet0/3                unassigned      YES unset  administratively down down    
Serial1/0                  unassigned      YES unset  administratively down down    
Serial1/1                  unassigned      YES unset  administratively down down    
Serial1/2                  unassigned      YES unset  administratively down down    
Serial1/3                  unassigned      YES unset  administratively down down   
 

 

 
 

 查看路由
 

 
 

 

R3
Codes: L - local, 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, H - NHRP, l - LISP
       a - application route
       + - replicated route, % - next hop override, p - overrides from PfR


Gateway of last resort is not set


S     192.168.1.0/24 [1/0] via 192.168.23.2
      192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.3.0/24 is directly connected, Ethernet0/1
L        192.168.3.254/32 is directly connected, Ethernet0/1
S     192.168.12.0/24 [1/0] via 192.168.23.2
      192.168.23.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.23.0/24 is directly connected, Ethernet0/0
L        192.168.23.3/32 is directly connected, Ethernet0/0
 

 

 
 

 配置vpc4
 

 
 

 

VPCS> ip 192.168.1.2/24 192.168.1.254
Checking for duplicate address...
VPCS : 192.168.1.2 255.255.255.0 gateway 192.168.1.254
 

 

 
 

 配置vpc5
 

 
 

 

VPCS> ip 192.168.3.2/24 192.168.3.254
Checking for duplicate address...
VPCS : 192.168.3.2 255.255.255.0 gateway 192.168.3.254
 

 

 
 

 在vpc4上ping vpc5测试连通性
 

 
 

 

VPCS> ping 192.168.3.2


84 Bytes from 192.168.3.2 icmp_seq=1 ttl=61 time=0.958 ms
84 bytes from 192.168.3.2 icmp_seq=2 ttl=61 time=0.785 ms
84 bytes from 192.168.3.2 icmp_seq=3 ttl=61 time=1.050 ms
84 bytes from 192.168.3.2 icmp_seq=4 ttl=61 time=0.823 ms
84 bytes from 192.168.3.2 icmp_seq=5 ttl=61 time=0.827 ms
 

 

 
 

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