DHCP综合实战命令

6.1 问题
在复杂的网络环境中，如何配置DHCP服务器？

配置思路：
1.配置二层交换机 acces 和 trunk模式
2.DHCP服务器单臂路由
-开启dhcp，开启接口模式dhcp，
-0/0/1设置ip 并且接口开启dhcp全局
3.DHCP中继代理
-创建vlan 交换连接端口设置trunk
-进vlan设置IP地址开启中继 指定服务器接口地址
-g0/0/3 设置acce 加入vlan300
4.R2设置IP地址设置路由器和三层交换直接静态路由

DHCP综合实战命令_第1张图片

[DHCP]dhcp enable

interface GigabitEthernet0/0/0.2
dot1q termination vid 20
ip address 192.168.20.1 255.255.255.0
arp broadcast enable
dhcp select interface

g0/0/0.1同上

[DHCP]ip route-static 192.168.30.0 24 192.168.1.2
[DHCP]ip route-static 192.168.00.0 24 192.168.1.2
[DHCP]ip route-static 192.168.40.0 24 192.168.1.2
ip pool p3
[DHCP-ip-pool-p3]network 192.168.30.0 mask 24
[DHCP-ip-pool-p3]gateway-list 192.168.30.1
[DHCP-ip-pool-p3]lease day 3
[DHCP-ip-pool-p3]dns-list 3.3.3.3
[DHCP-ip-pool-p3]q

[DHCP]int g0/0/1
[DHCP-GigabitEthernet0/0/1]dhcp select global

[DHCP ZHONGJI]vlan batch 30 40
Info: This operation may take a few seconds. Please wait for a moment...done.
[DHCP ZHONGJI]port-group 1
[DHCP ZHONGJI-port-group-1]group-member g0/0/1 g0/0/2
[DHCP ZHONGJI-port-group-1]port link-type trunk
[DHCP ZHONGJI-GigabitEthernet0/0/1]port link-type trunk
[DHCP ZHONGJI-GigabitEthernet0/0/2]port link-type trunk
[DHCP ZHONGJI-port-group-1]port trunk allow-pas vlan all
[DHCP ZHONGJI-GigabitEthernet0/0/1]port trunk allow-pas vlan all
[DHCP ZHONGJI-GigabitEthernet0/0/2]port trunk allow-pas vlan all
[DHCP ZHONGJI-port-group-1]q
[DHCP ZHONGJI]vlan 300
[DHCP ZHONGJI]int vlanif 30
[DHCP ZHONGJI-Vlanif30]ip add 192.168.30.1 24
[DHCP ZHONGJI-Vlanif30]q
[DHCP ZHONGJI]dhcp enable
Info: The operation may take a few seconds. Please wait for a moment.done.
[DHCP ZHONGJI-Vlanif40]ip add 192.168.40.1 24
[DHCP ZHONGJI-Vlanif40]q
[DHCP ZHONGJI]int vlanif 300
[DHCP ZHONGJI-Vlanif300]ip add 192.168.2.1 24
[DHCP ZHONGJI-Vlanif300]q
[DHCP ZHONGJI]int g0/0/3
[DHCP ZHONGJI-GigabitEthernet0/0/3]port link-type access
[DHCP ZHONGJI-GigabitEthernet0/0/3]port default vlan 300
[DHCP ZHONGJI-GigabitEthernet0/0/3]q
[DHCP ZHONGJI]ip route-static 192.168.1.0 24 192.168.2.2
[DHCP ZHONGJI]ip route-static 192.168.10.0 24 192.168.2.2
[DHCP ZHONGJI]ip route-static 192.168.20.0 24 192.168.2.2
[DHCP ZHONGJI] User interface con0 is available
[DHCP ZHONGJI]int v30
[DHCP ZHONGJI-Vlanif30]dhcp select relay
[DHCP ZHONGJI-Vlanif30]dhcp relay server-ip 192.168.1.1
[DHCP ZHONGJI-Vlanif30]int v40
[DHCP ZHONGJI-Vlanif40]dhcp select relay
[DHCP ZHONGJI-Vlanif40]dhcp relay server-ip 192.168.1.1