步骤(针对需求粘贴关键性代码(show running的结果)和相关截图):
1、
RI配置:
Router >en
Router#configuration terminal
Router(config)#hostname R1
R2配置:
Router >en
Router#configuration terminal
Router(config)#hostname R2
R3配置:
Router >en
Router#configuration terminal
Router(config)#hostname R3
2、
R1配置:
R1(config)#interface GigabitEthernet 0/0
R1(config-if)#ip address 10.10.1.254 255.192.0.0
R1(config-if)#ip helper-address 20.20.16.253
R1(config)#interface GigabitEthernet 0/1
R1(config-if)#ip address 192.168.1.1 255.255.255.0
R1(config)#ip route 20.20.16.0 255.255.240.0 192.168.1.2
R1 (config)# ip route 30.30.30.28 255.255.255.252 192.168.2.2
R1(config)#ip route 192.168.2.0 255.255.255.0 192.168.1.2
R3配置:
R3(config)#interface GigabitEthernet 0/0
R3(config-if)#ip address 192.168.2.2 255.255.255.0
R3(config)#interface GigabitEthernet 0/1
R3(config-if)#ip address 30.30.30.30 255.255.255.252
R3(config-if)#ip helper-address 20.20.16.253
R3(config)#ip route 10.0.0.0 255.192.0.0 192.168.2.1
R3(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1
R3(config)#ip route 20.20.16.0 255.255.240.0 192.168.2.1
服务器配置:
20.20.16.253 IP地址
255.255.240.0 子网掩码
20.20.16.254网关
DHCP地址池配置:
10.10.10.10/10
10.0.0.0网络地址
10.10.1.254 网关
7.7.7.7 DNS
255.192.0.0子网掩码
20.20.20.20/20
20.20.16.0 网络地址
20.20.16.254网关
255.255.240.0 子网掩码
8.8.8.8 DNS
30.30.30.30/30
30.30.30.28网络地址
30.30.30.30网关
255.255.255.252子网掩码
9.9.9.9 DNS
自动获取的主机ip地址:
PC1:10.0.0.1 255.192.0.0 10.10.1.254
PC4:20.20.16.1 255.255.240.0 20.20.16.254
PC5:30.30.30.29 255.255.255.252 30.30.30.30
3.R2配置:
R2(config)#interface GigabitEthernet 0/0
R2(config-if)#ip address 192.168.1.2 255.255.255.0
R2(config)#interface GigabitEthernet 0/1
R2(config-if)#ip address 192.168.2.1 255.255.255.0
R2(config)#interface GigabitEthernet 0/2
R2(config-if)#ip address 20.20.16.254 255.255.240.0
R2(config)#ip route 10.0.0.0 255.192.0.0 192.168.1.1
R2(config)#ip route 30.30.30.28 255.255.255.252 192.168.2.2