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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date路由器DHCP配置以及DHCP中继配置路由器DHCP配置以及DHCP中继配置路由器DHCP配置以及DHCP中继配置在路由器上配置DHCP服务器 实例:网络拓扑如下1)R1的配置RouterenableRouter#configure terminalRouter(config)#hostname R1R1(config)#service dhcpR1(config)#
2、ip dhcp excluded-address 192.168.1.1 192.168.1.10 /配置排除地址R1(config)#ip dhcp excluded-address 192.168.1.254R1(config)#ip dhcp pool dhcppool1 /配置DHCP地址池R1(dhcp-config)#network 192.168.1.0 255.255.255.0 R1(dhcp-config)#default-router 192.168.1.254 /配置默认网关R1(dhcp-config)#dns-server 192.168.1.1 /配置DNS服务器
3、地址R1(dhcp-config)#exitR1(config)#interface fa0/0R1(config-if)#ip address 192.168.1.254 255.255.255.0R1(config-if)#no shutdownR1(config-if)#end4把PC1的ip地址设置为自动获取,查看获取到的ip地址以及网关。END方法/步骤21. 1在路由器上配置DHCP中继 实例:网络结构拓扑图如下,配置R1为DHCP服务器,为两个网络192.168.1.0/24 和192.168.2.0/24提供DHCP服务,要求如下:1)地址池lanpool1(1)地址范围:19
4、2.168.1.1-192.168.1.254 。(2)排除地址:192.168.1.254,192.168.1.1-192.168.1.10 。(3)默认网关:192.168.1.254(4)DNS服务器:192.168.1.12)地址池lanpool2(1)地址范围:192.168.2.1-192.168.2.254 。(2)排除地址:192.168.2.254,192.168.2.1-192.168.2.20 。(3)默认网关:192.168.2.254(4)DNS服务器:192.168.2.12R1的配置RouterenableRouter#configure terminalRout
5、er(config)#hostname R1R1(config)#service dhcpR1(config)#interface f0/0R1(config-if)#ip address 192.168.1.254 255.255.255.0R1(config-if)#no shutdownR1(config-if)#exitR1(config)#interface f0/1R1(config-if)#ip address 192.168.12.1 255.255.255.0R1(config-if)#no shutdownR1(config-if)#exitR1(config)#ip dh
6、cp excluded-address 192.168.1.1 192.168.1.10R1(config)#ip dhcp excluded-address 192.168.1.254R1(config)#ip dhcp pool lanpool1 /地址池1R1(dhcp-config)#network 192.168.1.0 255.255.255.0R1(dhcp-config)#default-router 192.168.1.254 /配置默认网关R1(dhcp-config)#dns-server 192.168.1.1 /配置默认dns地址R1(dhcp-config)#exi
7、tR1(config)#ip dhcp excluded-address 192.168.2.1 192.168.2.20R1(config)#ip dhcp excluded-address 192.168.2.254R1(config)#ip dhcp pool lanpool2 /地址池2R1(dhcp-config)#network 192.168.2.0 255.255.255.0R1(dhcp-config)#default-router 192.168.2.254 /配置默认网关R1(dhcp-config)#dns-server 192.168.2.1 /配置默认dns地址R1
8、(dhcp-config)#exitR1(config)#router rip /配置路由实现相互通信R1(config-router)#network 192.168.1.0R1(config-router)#network 192.168.12.0R1(config-router)#endR1#3R2的配置RouterenableRouter#configure terminalRouter(config)#hostname R2R2(config)#service dhcpR2(config)#interface fa0/0R2(config-if)#ip address 192.168
9、.2.254 255.255.255.0R2(config-if)#ip helper-address 192.168.12.1 (把接收到的DHCP请求包发送到192.168.12.1)R2(config-if)#no shutdownR2(config-if)#exitR2(config)#interface f0/1R2(config-if)#ip address 192.168.12.2 255.255.255.0R2(config-if)#no shutdownR2(config-if)#exitR2(config)#router ripR2(config-router)#network 192.168.2.0R2(config-router)#network 192.168.12.0R2(config-router)#endR2#:END注意事项配置排除地址是在全局配置模式下配置的。R1(config)#ip dhcp excluded-address 192.168.1.1 192.168.1.10-