华为、Cisco中的DHCP配置

华为的dhcp配置

top图：

这个top图比较简单基本上去去在路由器上配置，华为与Cisco不同的地方就在华为要到端口上去开启dhcp服务

路由器
system-view
int g0/0/0
ip add 192.168.1.1 24
int g0/0/1
ip add 192.168.2.1 24
quit

dhcp enable
ip pool a
network 192.168.1.0 mask 24
gateway-list 192.168.1.1
dns-list 8.8.8.8
quit

ip pool b
network 192.168.2.0 mask 24
gateway-list 192.168.2.1
dns-list 8.8.8.8
quit

int g0/0/0
dhcp select global
int g0/0/1
dhcp select global

然后在各个pc开启dhcp就可以了

Cisco的dhcp配置

top图;

路由器:
enable
conf t
int g0/0
ip add 192.168.1.1 255.255.255.0
no shutdown
int g0/1
ip add 192.168.2.1 255.255.255.0
no shutdown

ip dhcp pool a
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 8.8.8.8
exit

ip dhcp pool b
network 192.168.2.0 255.255.255.0
default 192.168.2.1 
dns-server 8.8.8.8
exit

pc开启dhcp

由server发放dhcp地址（这里由三层交换机作为路由）
top图：

三层交换机
enable
conf t
ip routing

vlan 10
exit
vlan 20
exit
vlan 30
exit

int vlan 10
ip add 192.168.1.1 255.255.255.0
int vlan 20 
ip add 192.168.2.1 255.255.255.0
int vlan 30 
ip add 192.168.3.1 255.255.255.0
exit

int vlan 10 
ip helper-address 192.168.3.2
int vlan 20
ip helper-address 192.168.3.2

在写ip helper-address前记住给server进行配置
在server添加两个地址池并开启dhcp服务

pc开启dhcp