DHCP配置参数说明DHCP配置参数说明】
实验拓扑搭建
从DHCP⾃动获取IP地址的⽅法：
1、创建DHCP地址池
2、在端⼝下创建接⼝DHCP
在端⼝下创建接⼝DHCP：
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[SW1]vlan batch 10 20
[SW1]interface Ethernet0/0/1 [SW1-Ethernet0/0/1]display this
#
interface Ethernet0/0/1
port link-type access
port default vlan 10
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#
return
[SW1-Ethernet0/0/1]quit
[SW1]interface Ethernet0/0/2 [SW1-Ethernet0/0/2]dis thi
#
interface Ethernet0/0/2
port link-type access
port default vlan 20
#
return
[SW1-Ethernet0/0/2]quit
[SW1]interface GigabitEthernet 0/0/1 [SW1-GigabitEthernet0/0/1]dis thi
#
interface GigabitEthernet0/0/1
port link-type trunk
undo port trunk allow-pass vlan 1 port trunk allow-pass vlan 10 20
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return
[SW1-GigabitEthernet0/0/1]
AR1参数配置
[AR1]dhcp enable //全局开启DHCP服务
[AR1]interface GigabitEthernet 0/0/0.1
男孩英语名字[AR1-GigabitEthernet0/0/0.1]display this
[V200R003C00]
#
interface GigabitEthernet0/0/0.1
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dot1q termination vid 10
ip address 10.1.1.254 255.255.255.0
arp broadcast enable
dhcp lect interface //开启接⼝DHCP服务功能
dhcp rver excluded-ip-address 10.1.1.1 //排除DHCP⾃动获取的IP地址（排除服务器IP地址、⽹关IP地址） dhcp rver lea day 2 hour 2 minute 2 //设置DHCP最少租⽤时间（租约时间）
dhcp rver dns-list 202.99.192.68 （获取DNS，⽹关，⽹段）
#
return
[AR1-GigabitEthernet0/0/0.1]quit
[AR1]interface GigabitEthernet 0/0/0.2
[AR1-GigabitEthernet0/0/0.2]display this
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[V200R003C00]
#
interface GigabitEthernet0/0/0.2
dot1q termination vid 20
ip address 20.1.1.254 255.255.255.0
arp broadcast enable
dhcp lect interface
dhcp rver excluded-ip-address 20.1.1.1
dhcp rver lea day 2 hour 2 minute 2
dhcp rver dns-list 202.99.192.68
#
return
[AR1-GigabitEthernet0/0/0.2]
Pc1从接⼝DHCP⾃动获取IP地址的数据报⽂过程
公布英文创建全局DHCP（创建DHCP地址池）AR1参数配置及说明
phdcandidate[AR1]dhcp enable //使能DHCP功能，在配置DHCP服务器时必须先执⾏该命令，才能配置DHCP的其他功能并⽣效[AR1]ip pool IT //设置⼀个名为IT的全局地址池
Info: It's successful to create an IP address pool.
[AR1-ip-pool-IT]gateway-list 10.1.1.254 //设置分配的⽹关IP
[AR1-ip-pool-IT]network 10.1.1.0 mask 255.255.255.0 //设置分配的地址⽹段
[AR1-ip-pool-IT]excluded-ip-address 10.1.1.253 //设置不参与⾃动分配的IP地址范围
[AR1-ip-pool-IT]lea day 2 hour 2 minute 2 //设置地址池中的租⽤有效期限，默认为1天lastyear
[AR1-ip-pool-IT]dns-list 202.99.99.99 //设置分配的DNS服务器地址
[AR1-ip-pool-IT]display this
[V200R003C00]
#
ip pool IT
gateway-list 10.1.1.254
network 10.1.1.0 mask 255.255.255.0
excluded-ip-address 10.1.1.253
lea day 2 hour 2 minute 2
dns-list 202.99.99.99
#
return
[AR1-ip-pool-IT]quit
[AR1]ip pool HR
[AR1-ip-pool-HR]dis thi
[V200R003C00]
#
ip pool HR
gateway-list 20.1.1.254
network 20.1.1.0 mask 255.255.255.0
excluded-ip-address 20.1.1.253
lea day 2 hour 2 minute 2
dns-list 202.99.99.99
#
return
[AR1-ip-pool-HR]quit
[AR1]interface GigabitEthernet 0/0/0.1
[AR1-GigabitEthernet0/0/0.1]dhcp lect global //接⼝下使能全局⽅式分配地址
Warning: There are IP address allocated in the pool. Are you sure to delete the pool?[Y/N]:y
[AR1-GigabitEthernet0/0/0.1]dis thi
[V200R003C00]
#
interface GigabitEthernet0/0/0.1
dot1q termination vid 10
ip address 10.1.1.254 255.255.255.0curity什么意思
arp broadcast enable
dhcp lect global
#
return
[AR1-GigabitEthernet0/0/0.1]quit
[AR1]interface GigabitEthernet 0/0/0.2
[AR1-GigabitEthernet0/0/0.2]dhcp lect global //接⼝下使能全局⽅式分配地址
Warning: There are IP address allocated in the pool. Are you sure to delete the pool?[Y/N]:y
[AR1-GigabitEthernet0/0/0.2]display this
[V200R003C00]
#
interface GigabitEthernet0/0/0.2
dot1q termination vid 20
ip address 20.1.1.254 255.255.255.0
arp broadcast enable
dhcp lect global
#
return
[AR1-GigabitEthernet0/0/0.2]quit
