DHCP的详细步骤

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DHCP的详细步骤

1、首先在SWA上分配vlan

SWA(config)#vlan 10

SWA(config-vlan)#exit

SWA(config)#vlan 20

SWA(config-vlan)#exit

SWA(config)#vlan 30

SWA(config-vlan)#exit

2、将F0/1-5加入vlan10 F0/6-10加入vlan20 F0/11-15加入vlan 30

SWA(config)#interface range fastethernet 0/1-5

SWA(config-if)#switchport access vlan 10

SWA(config)#interface range fastethernet 0/6-10

SWA(config-if)#switchport access vlan 20

SWA(config)#interface range fastethernet 0/11-15

SWA(config-if)#switchport access vlan 30

3、将F0/24端口设置为Trunk

SWA(config)#interface fastethernet 0/24

SWA(config-if)#switchport mode trunk

4、设置vlan10的ip为10.0.0.1 255.255.255.0 vlan20的ip为20.0.0.1

255.255.255.0

Vlan30的ip为30.0.0.1 255.255.255.0

SWA(config)#interface vlan 10

SWA(config-if)#ip address 10.0.0.1 255.255.255.0 SWA(config)#interface vlan 20

SWA(config-if)#ip address 20.0.0.1 255.255.255.0

SWA(config)#interface vlan 30

SWA(config-if)#ip address 30.0.0.1 255.255.255.0

5、进入路由器RB,开启dhcp服务器

RB(config)#service dhcp

6、设置地址池10、20、30并且设置动态Rip 2以及默认网关和建立dns

RB (config)#ip dhcp pool 10

RB (dhcp-config)#network 10.0.0.0 255.255.255.0

RB (dhcp-config)#default-router 10.0.0.1

RB (dhcp-config)#dns-server 222.222.222.222

RB (config)#ip dhcp pool 20

RB (dhcp-config)#network 20.0.0.0 255.255.255.0

RB (dhcp-config)#default-router 20.0.0.1

RB (dhcp-config)#dns-server 221.221.221.221

RB (config)#ip dhcp pool 30

RB (dhcp-config)#network 30.0.0.0 255.255.255.0

RB (dhcp-config)#default-router 30.0.0.1

RB (dhcp-config)#dns-server 220.220.220.220

7、从路由器上的F0/0端口开启3个虚拟端口并设置IP

RB (config)#interface fastethernet 0/0.10

RB(config-subif)#encapsulation dot1Q 10

RB(config-subif)#ip address 10.0.0.1 255.255.255.0

RB (config)#interface fastethernet 0/0.20 RB(config-subif)#encapsulation dot1Q 20

RB(config-subif)#ip address 20.0.0.1 255.255.255.0

RB (config)#interface fastethernet 0/0.30

RB(config-subif)#encapsulation dot1Q 30

RB(config-subif)#ip address 30.0.0.1 255.255.255.0