路由器/三层交换机DHCP服务器配置详述要点及实例

发布于：2021-08-03 22:32:56

??????? DHCP采样UDP链接方式，服务器端口为67，客户机端口为68.


??????? 实验环境（H3C ENSP）


一、配置要点
?a：在路由器上配置DHCPserver
?第一步：（系统视图）开启DHCP ：DHCP enable
?第二步：（进入接口视图）为与客户端相连的端口配置ip地址
?第三步：（系统视图）建立DHCP地址池 :ip pool aaa
?第四步：（pool模式下）配置network网段、Gateway-list网关、
dns-list DNS服务器地址、excluded-ip-address需要排除的ip地址
?第五步：进入接口模式，在接口中启动DHCP动态分配：dhcp select globle
?第六步：将客户端的dhcp启动即可




实例：





路由器配置：


#
sysname Huawei
#
dhcp enable
#
ip pool aaa
?gateway-list 192.168.1.1
?network 192.168.1.0 mask 255.255.255.0
?excluded-ip-address 192.168.1.10
?dns-list 192.168.1.10 192.168.10.10
#
aaa
?authentication-scheme default
?authorization-scheme default
?accounting-scheme default
?domain default
?domain default_admin
?local-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#
?local-user admin service-type http
#
firewall zone Local
?priority 16
#
interface Ethernet0/0/0
?ip address 192.168.1.1 255.255.255.0
?dhcp select global
#
interface Ethernet0/0/1
#
interface Serial0/0/0
?link-protocol ppp
#
interface Serial0/0/1
?link-protocol ppp
#
interface Serial0/0/2
?link-protocol ppp
#
interface Serial0/0/3
?link-protocol ppp
#
interface GigabitEthernet0/0/0
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
wlan
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
user-interface vty 16 20
#
return




?b：在三层交换机中为不同vlan配置不同DHCPserver
?第一步：在三层交换机上建好vlan并分配好端口
?第二步：（系统视图）开启DHCP ：DHCP enable
?第三步：为每一个vlan都建立一个相应的DHCP地址池（命名可以随意）
?第四步：为每一个地址池配置好自己相应vlan的network网段、Gateway-list网关、
dns-list DNS服务器地址、excluded-ip-address需要排除的ip地址
?第五步：进入每一个vlan接口，先配置好各自的ip地址，然后在启动DHCP动态分配：dhcp select globle
?第六步：将客户端的dhcp启动即可




实例：



三层交换机配置：


[Huawei]display current-configuration
#
sysname Huawei
#
vlan batch 2 to 3
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
dhcp enable
#
diffserv domain default
#
drop-profile default
#
ip pool aaa
?network 192.168.1.0 mask 255.255.255.0
?excluded-ip-address 192.168.1.1
?dns-list 192.168.10.10
#
ip pool bbb
?network 192.168.2.0 mask 255.255.255.0
?excluded-ip-address 192.168.2.1
?dns-list 192.168.10.10
#
aaa
?authentication-scheme default
?authorization-scheme default
?accounting-scheme default
?domain default
?domain default_admin
?local-user admin password simple admin
?local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif2
?ip address 192.168.1.1 255.255.255.0
?dhcp select global
#
interface Vlanif3
?ip address 192.168.2.1 255.255.255.0
?dhcp select global
#
interface MEth0/0/1
#
interface Ethernet0/0/1
?port link-type access
?port default vlan 2
#
interface Ethernet0/0/2
#
interface Ethernet0/0/3
#
interface Ethernet0/0/4
?port link-type access
?port default vlan 3
#
interface Ethernet0/0/5
#
interface Ethernet0/0/6
#
interface Ethernet0/0/7
#
interface Ethernet0/0/8
#
interface Ethernet0/0/9
#
interface Ethernet0/0/10
#
interface Ethernet0/0/11
#
interface Ethernet0/0/12
#
interface Ethernet0/0/13
#
interface Ethernet0/0/14
#
interface Ethernet0/0/15
#
interface Ethernet0/0/16
#
interface Ethernet0/0/17
#
interface Ethernet0/0/18
#
interface Ethernet0/0/19
#
interface Ethernet0/0/20
#
interface Ethernet0/0/21
#
interface Ethernet0/0/22
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
return

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