大型园区网OSPF设计园区网配置实例

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mob64ca141677f9 2024-04-18 15:00:12

文章标签 大型园区网OSPF设计服务器运维 OSPF EIGRP 文章分类 云原生云计算

一、基础拓朴图

大型园区网OSPF设计园区网配置实例_服务器

这是上篇文章结束时的拓朴图，这次的配置也是基于这个拓扑进行配置的

二、配置内网DNS和HTTP服务器

使用：两台服务器，一台HTTP服务器，一台DNS服务器

为DNS服务器和HTTP服务器分配ip和网关，并把这两个对应的核心交换机上的端口划分到vlan70域中

大型园区网OSPF设计园区网配置实例_EIGRP_02

先创建一个vlan70域，并把两个端口划分到vlan70域中

Switch>en
Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#vlan 70
Switch(config-vlan)#int f0/3
Switch(config-if)#switchport access vlan 70
Switch(config-if)#int g0/1
Switch(config-if)#switchport access vlan 70

除去常规的为DNS和HTTP服务器配置IP和网关之外

这里需要在DNS服务器上为HTTP服务器只当一下ip地址和域名

并且打开DNS服务

大型园区网OSPF设计园区网配置实例_服务器_03

在核心交换机上给vlan70一个网关地址

给完网关地址后查看一下路由表，多出了192.168.7.0/24这个网段就对了

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#int vlan 70
Switch(config-if)#
%LINK-5-CHANGED: Interface Vlan70, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan70, changed state to up

Switch(config-if)#ip address 192.168.7.1 255.255.255.0
Switch(config-if)#no shutdown 
Switch(config-if)#do 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

R    192.168.1.0/24 [120/1] via 192.168.5.1, 00:00:03, Vlan50
R    192.168.2.0/24 [120/1] via 192.168.5.1, 00:00:03, Vlan50
R    192.168.3.0/24 [120/1] via 192.168.6.1, 00:00:25, Vlan60
R    192.168.4.0/24 [120/1] via 192.168.6.1, 00:00:25, Vlan60
     192.168.5.0/30 is subnetted, 1 subnets
C       192.168.5.0 is directly connected, Vlan50
     192.168.6.0/30 is subnetted, 1 subnets
C       192.168.6.0 is directly connected, Vlan60
C    192.168.7.0/24 is directly connected, Vlan70

配置一下rip协议，把刚配置的vlan70对应的192.168.7.0这个网段加入到rip协议中

Switch(config-if)#router rip
Switch(config-router)#version 2
Switch(config-router)#network 192.168.7.0
Switch(config-router)#no auto-summary

测试一下：PC0 ping一下HTTP服务器（192.168.7.100）

大型园区网OSPF设计园区网配置实例_大型园区网OSPF设计_04

可以ping通，说明配置完成

之后要对域名进行解析还需要配置一下PC机的DNS地址，否则就算ip可达，域名也无法解析

大型园区网OSPF设计园区网配置实例_服务器_05

大型园区网OSPF设计园区网配置实例_服务器_06

三、配置外网网络

使用：两台2911路由器、一台HTTP服务器、一台PC机

1、添加两台路由器

添加两台2911路由器，并为其各添加一个HWIC-2T模块，使其多出两个串口以供使用

关闭电源——>选中模块——>将模块拖到图中所示位置——>打开电源

大型园区网OSPF设计园区网配置实例_运维_07

2、连线并进行基本配置

添加完模块之后按如图所示连线

大型园区网OSPF设计园区网配置实例_运维_08

接下来可以看到图中的连线的灯都是红的，说明线路不通

路由器的接口开关需要手动打开，类似下面这样

大型园区网OSPF设计园区网配置实例_运维_09

依次打开所有开关，线路就通了

大型园区网OSPF设计园区网配置实例_EIGRP_10

按照如图所示为其各部分配置ip地址和网关等信息

大型园区网OSPF设计园区网配置实例_服务器_11

首先是在核心交换机上为g0/2进行配置

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#int g0/2
Switch(config-if)#no switchport 
Switch(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to down

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/2, changed state to up

Switch(config-if)#ip address 192.168.15.1 255.255.255.252
Switch(config-if)#no shutdown

第一个路由器的g0/0端口

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int g0/0
Router(config-if)#ip address 192.168.15.2 255.255.255.252
Router(config-if)#no shutdown

第一个路由器的s0/3/0端口

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int s0/3/0
Router(config-if)#ip address 192.168.16.2 255.255.255.252
Router(config-if)#no shutdown

第二个路由器的s0/3/0端口

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int s0/3/0
Router(config-if)#ip address 192.168.16.1 255.255.255.252
Router(config-if)#no shutdown

第二个路由器的g0/0端口

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int g0/0
Router(config-if)#ip address 192.167.100.1 255.255.255.0
Router(config-if)#no shutdown

第二个路由器的g0/1端口

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#int g0/1
Router(config-if)#ip address 192.169.100.1 255.255.255.0
Router(config-if)#no shutdown

3、路由器跳转配置

首先配置外网即右边那个路由器

配置走向内网的流量全部下一跳为192.168.16.2

内网的网段计算是20位子网掩码的192.168.0.0网段

此网段ip为（192.168.0.1-192.168.15.254，共4094个可用ip）

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#ip route 192.168.0.0 255.255.240.0 192.168.16.2
Router(config)#do show ip route
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, 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

     192.167.100.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.167.100.0/24 is directly connected, GigabitEthernet0/0
L       192.167.100.1/32 is directly connected, GigabitEthernet0/0
S    192.168.0.0/20 [1/0] via 192.168.16.2    //有了这个就说明配置成功了
     192.168.16.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.16.0/30 is directly connected, Serial0/3/0
L       192.168.16.1/32 is directly connected, Serial0/3/0
     192.169.100.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.169.100.0/24 is directly connected, GigabitEthernet0/1
L       192.169.100.1/32 is directly connected, GigabitEthernet0/1

配置内网路由器，即左边这个路由器

Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#ip route 0.0.0.0 0.0.0.0 192.168.16.1
Router(config)#do show ip route
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, 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 192.168.16.1 to network 0.0.0.0

     192.168.15.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.15.0/30 is directly connected, GigabitEthernet0/0
L       192.168.15.2/32 is directly connected, GigabitEthernet0/0
     192.168.16.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.16.0/30 is directly connected, Serial0/3/0
L       192.168.16.2/32 is directly connected, Serial0/3/0
S*   0.0.0.0/0 [1/0] via 192.168.16.1    //出现这个就说明配置成功了

配置一下核心交换机的路由转发

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#ip route 0.0.0.0 0.0.0.0 192.168.15.2
Switch(config)#do 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 192.168.15.2 to network 0.0.0.0

R    192.168.1.0/24 [120/1] via 192.168.5.1, 00:00:20, Vlan50
R    192.168.2.0/24 [120/1] via 192.168.5.1, 00:00:20, Vlan50
R    192.168.3.0/24 [120/1] via 192.168.6.1, 00:00:03, Vlan60
R    192.168.4.0/24 [120/1] via 192.168.6.1, 00:00:03, Vlan60
     192.168.5.0/30 is subnetted, 1 subnets
C       192.168.5.0 is directly connected, Vlan50
     192.168.6.0/30 is subnetted, 1 subnets
C       192.168.6.0 is directly connected, Vlan60
C    192.168.7.0/24 is directly connected, Vlan70
     192.168.15.0/30 is subnetted, 1 subnets
C       192.168.15.0 is directly connected, GigabitEthernet0/2
S*   0.0.0.0/0 [1/0] via 192.168.15.2    //出现这个就代表配置成功了

除去这三个之外，还要配置一下下面两个三层交换机

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#ip route 0.0.0.0 0.0.0.0 192.168.15.2
Switch(config)#do 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 192.168.15.2 to network 0.0.0.0

C    192.168.1.0/24 is directly connected, Vlan10
C    192.168.2.0/24 is directly connected, Vlan20
R    192.168.3.0/24 [120/2] via 192.168.5.2, 00:00:27, Vlan50
R    192.168.4.0/24 [120/2] via 192.168.5.2, 00:00:27, Vlan50
     192.168.5.0/30 is subnetted, 1 subnets
C       192.168.5.0 is directly connected, Vlan50
     192.168.6.0/30 is subnetted, 1 subnets
R       192.168.6.0 [120/1] via 192.168.5.2, 00:00:27, Vlan50
R    192.168.7.0/24 [120/1] via 192.168.5.2, 00:00:27, Vlan50
     192.168.15.0/30 is subnetted, 1 subnets
R       192.168.15.0 [120/1] via 192.168.5.2, 00:00:27, Vlan50
     192.168.16.0/30 is subnetted, 1 subnets
R       192.168.16.0 [120/2] via 192.168.5.2, 00:00:27, Vlan50
S*   0.0.0.0/0 [1/0] via 192.168.15.2    //出现这个就是配置成功了

4、RIP协议配置

配置核心交换机的RIP协议

添加两个网段（内网和外网）

Switch#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 192.168.15.2 to network 0.0.0.0

R    192.168.1.0/24 [120/1] via 192.168.5.1, 00:00:24, Vlan50
R    192.168.2.0/24 [120/1] via 192.168.5.1, 00:00:24, Vlan50
R    192.168.3.0/24 [120/1] via 192.168.6.1, 00:00:04, Vlan60
R    192.168.4.0/24 [120/1] via 192.168.6.1, 00:00:04, Vlan60
     192.168.5.0/30 is subnetted, 1 subnets
C       192.168.5.0 is directly connected, Vlan50
     192.168.6.0/30 is subnetted, 1 subnets
C       192.168.6.0 is directly connected, Vlan60
C    192.168.7.0/24 is directly connected, Vlan70
     192.168.15.0/30 is subnetted, 1 subnets
C       192.168.15.0 is directly connected, GigabitEthernet0/2
     192.168.16.0/30 is subnetted, 1 subnets
R       192.168.16.0 [120/1] via 192.168.15.2, 00:00:45, GigabitEthernet0/2
S*   0.0.0.0/0 [1/0] via 192.168.15.2

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#router rip
Switch(config-router)#version 2
Switch(config-router)#network 192.168.15.0
Switch(config-router)#network 192.168.16.0
Switch(config-router)#no auto-summary

配置内网路由器的RIP协议

Router#show ip route
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, 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 192.168.16.1 to network 0.0.0.0

R    192.168.1.0/24 [120/2] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
R    192.168.2.0/24 [120/2] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
R    192.168.3.0/24 [120/2] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
R    192.168.4.0/24 [120/2] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
     192.168.5.0/30 is subnetted, 1 subnets
R       192.168.5.0/30 [120/1] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
     192.168.6.0/30 is subnetted, 1 subnets
R       192.168.6.0/30 [120/1] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
R    192.168.7.0/24 [120/1] via 192.168.15.1, 00:02:57, GigabitEthernet0/0
     192.168.15.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.15.0/30 is directly connected, GigabitEthernet0/0
L       192.168.15.2/32 is directly connected, GigabitEthernet0/0
     192.168.16.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.16.0/30 is directly connected, Serial0/3/0
L       192.168.16.2/32 is directly connected, Serial0/3/0
S*   0.0.0.0/0 [1/0] via 192.168.16.1

Router#
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#network 192.168.15.0
Router(config-router)#network 192.168.16.0
Router(config-router)#no auto-summary

外网路由器是不需要配置RIP协议的

这时，内外网所有ip都是互通的了

大型园区网OSPF设计园区网配置实例_EIGRP_12

5、添加外网服务器DNS解析

在DNS服务器上再添加一条DNS解析信息

大型园区网OSPF设计园区网配置实例_OSPF_13

四、验证整体网络的连通性

1、外网互相访问

大型园区网OSPF设计园区网配置实例_OSPF_14

大型园区网OSPF设计园区网配置实例_大型园区网OSPF设计_15

2、内网互相访问

大型园区网OSPF设计园区网配置实例_服务器_16

大型园区网OSPF设计园区网配置实例_OSPF_17

3、内外网互相访问

大型园区网OSPF设计园区网配置实例_运维_18

大型园区网OSPF设计园区网配置实例_运维_19

五、最终拓扑图

大型园区网OSPF设计园区网配置实例_运维_20

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