DHCP + 静态路由练习

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2024-07-05 06:05:08 228人阅读

环境：DHCP 服务器地址： 192.168.0.100/24 .

首选配置DHCP服务器

为DHCP服务器配置静态IP地址信息

配置DHCP服务

再添加2.0 网段和 3.0网段

注意：网关要设置成相应网段的网关

配置两台路由

Router 0：

Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int g0/0
Router(config-if)#ip add 192.168.0.1 255.255.255.0
Router(config-if)#no shut

Router(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up

Router(config-if)#exit
Router(config)#int s0/0/0
Router(config-if)#ip add 192.168.1.1 255.255.255.0
Router(config-if)#clock rat
Router(config-if)#clock rate 64000
Router(config-if)#no shut

%LINK-5-CHANGED: Interface Serial0/0/0, changed state to down
Router(config-if)#exit
Router(config)#ip route
Router(config)#ip route 192.168.2.0 255.255.255.0 192.168.1.2
Router(config)#ip route 192.168.3.0 255.255.255.0 192.168.1.2
Router(config)#exit
Router#show ip route

%SYS-5-CONFIG_I: Configured from console by console

     192.168.0.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.0.0/24 is directly connected, GigabitEthernet0/0
L       192.168.0.1/32 is directly connected, GigabitEthernet0/0
     192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.1.0/24 is directly connected, Serial0/0/0
L       192.168.1.1/32 is directly connected, Serial0/0/0
S    192.168.2.0/24 [1/0] via 192.168.1.2
S    192.168.3.0/24 [1/0] via 192.168.1.2

Router 1：

Router>en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int g0/0
Router(config-if)#ip add 192.168.2.1 255.255.255.0

Router(config-if)#ip helper-address 192.168.0.100

Router(config-if)#no shut

Router(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/0, changed state to up

Router(config-if)#exit
Router(config)#in g0/1
Router(config-if)#ip add 192.168.3.1 255.255.255.0

Router(config-if)#ip helper-address 192.168.0.100

Router(config-if)#no shut

Router(config-if)#
%LINK-5-CHANGED: Interface GigabitEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up

Router(config-if)#exit
Router(config)#int s0/0/1
Router(config-if)#ip add 192.168.1.2 255.255.255.0
Router(config-if)#no shut

Router(config-if)#
%LINK-5-CHANGED: Interface Serial0/0/1, changed state to up

Router(config-if)#exit
Router(config)#ip
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0/1, changed state to
Router(config)#ip route
Router(config)#ip route 192.168.0.0 255.255.255.0 192.168.1.1
Router(config)#exit
Router#
%SYS-5-CONFIG_I: Configured from console by console

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 not set

S    192.168.0.0/24 [1/0] via 192.168.1.1
     192.168.1.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.1.0/24 is directly connected, Serial0/0/1
L       192.168.1.2/32 is directly connected, Serial0/0/1
     192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.2.0/24 is directly connected, GigabitEthernet0/0
L       192.168.2.1/32 is directly connected, GigabitEthernet0/0
     192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks
C       192.168.3.0/24 is directly connected, GigabitEthernet0/1
L       192.168.3.1/32 is directly connected, GigabitEthernet0/1

查看PC是否获取到IP地址

0网段PC1