[Huawei] dhcp enable
1. 开启DHCP功能
[Huawei-Gigabitthernet0/0/0]dhcp select interface
2. 开启接口采用接口地址池的DHCP服务器端功能
[Huawei-Gigabitthernet0/0/0]dhcp server dns-list ip-address
3. 指定接口地址池下的DNS服务器地址
[Huawei-Gigabitthernet0/0/0]dhcp server excluded-ip-address start-ip-address [ end-ip-address ]
4. 配置接口地址池中不参与自动分配的IP地址范围
[Huawei-Gigabitthernet0/0/0]dhcp server lease { day day [ hour hour [ minute minute ] ] | unlimited }
5. 配置DHCP服务器接口地址池中IP地址的租用有效期限功能
缺省情况下，IP地址的租期为1天。
[Huawei]ip pool ip-pool-name
6. 创建全局地址池
[Huawei-ip-pool-2]network ip-address [ mask { mask | mask-length } ]
7. 配置全局地址池可动态分配的IP地址范围
[Huawei-ip-pool-2]gateway-list ip-address
8. 配置DHCP客户端的网关地址
[Huawei-ip-pool-2]dns-list ip-address
9. 配置DHCP客户端使用的DNS服务器的IP地址
[Huawei-ip-pool-2] lease { day day [ hour hour [ minute minute ] ] | unlimited }
10. 配置IP地址租期
11. 使能接口的DHCP服务器功能
[Huawei-Gigabitthernet0/0/0]dhcp select global
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以下是DHCP的大部分命令
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[Huawei]dhcp enable //开启DHCP功能
[Huawei]dhcp speed-limit auto //开启DHCP报文动态限速功能
[Huawei-GigabitEthernet0/0/1]dhcp select interface //开启接口采用接口地址池的DHCP服务器功能
[Huawei-GigabitEthernet0/0/1]dhcp select global //使能接口采用全局地址池的DHCP服务器功能
[Huawei]display dhcp server database //查看DHCP数据的存放信息
[Huawei]dhcp server database enable // 开启设备分配地址的数据保存功能
[Huawei]dhcp server database write-delay 7200 //配置数据保存的时间间隔,缺省每隔7200秒保存一次,并覆盖之前的数据文件
[Huawei]dhcp server database recover //开启DHCP数据恢复功能
[Huawei]dhcp server ping packet 2 //配置设备分配IP地址时的冲突探测的次数,缺省为2
[Huawei]dhcp server ping timeout 500 //配置设备分配IP地址时每次冲突探测的最长等待时间,缺省为500毫秒
[Huawei]dhcp server bootp //开启DHCP Server应答BOOTP请求的功能
[Huawei]dhcp server bootp automatic //开启DHCP服务器为BOOTP客户端动态分配地址的功能
[Huawei]ip pool a1 //创建全局地址池，进入全局地址池视图
[Huawei-ip-pool-a1]network 10.1.1.0 mask 24 //配置全局地址池可动态分配的IP地址范围
[Huawei-ip-pool-a1]vpn-instance b1 //配置地址池下的VPN实例, 使用同一个地址池为不同VPN网络中的客户端分配相同网段的IP地址
[Huawei-GigabitEthernet0/0/1]dhcp server excluded-ip-address 10.1.1.1 10.1.1.10 //配置地址池中不参与自动分配的IP地址
[Huawei-ip-pool-a1]excluded-ip-address 10.1.1.1 10.1.1.10 //配置地址池中不参与自动分配的IP地址
[Huawei-GigabitEthernet0/0/1]dhcp server static-bind ip-address 10.1.1.11 mac-address 1-2-3 //配置为指定DHCP Client分配固定IP地址
[Huawei-ip-pool-a1]static-bind ip-address 10.1.1.11 mac-address 1-2-3 //为指定DHCP Client分配固定IP地址
[Huawei-GigabitEthernet0/0/1]dhcp server lease day 1 hour 10 minute 50 //配置IP地址租期,缺省为1天
[Huawei-ip-pool-a1]lease day 1 hour 10 minute 50 //配置IP地址租期
[Huawei]display ip pool //可以查看租约相关信息
[Huawei-ip-pool-a1]gateway-list 10.1.1.20 //配置DHCP Client的网关地址
[Huawei-GigabitEthernet0/0/1]dhcp server next-server 10.1.1.254 //指定客户端获取IP地址后下一步使用的文件服务器IP地址
[Huawei-ip-pool-a1]next-server 10.1.1.254 //配置客户端自动获取IP地址后下一步使用的文件服务器地址
[Huawei-GigabitEthernet0/0/1]dhcp server dns-list 8.8.8.8 114.114.114.114 //为DHCP Client指定DNS Server的IP地址
[Huawei-GigabitEthernet0/0/1]dhcp server domain-name a1 //配置分配给DHCP Client的DNS域名后缀
[Huawei-ip-pool-a1]dns-list 8.8.8.8 114.114.114.114
[Huawei-ip-pool-a1]domain-name a1
[Huawei-GigabitEthernet0/0/1]dhcp server nbns-list 10.1.1.15 //配置DHCP Client的NetBIOS Server的IP地址
[Huawei-GigabitEthernet0/0/1]dhcp server netbios-type b-node //配置DHCP Client的NetBIOS节点类型
[Huawei-ip-pool-a1]nbns-list 10.1.1.15
[Huawei-ip-pool-a1]netbios-type b-node
[Huawei-GigabitEthernet0/0/2]dhcp select relay //使能接口的DHCP中继功能
[Huawei-GigabitEthernet0/0/2]dhcp relay server-ip 10.1.1.100 //配置DHCP服务器的IP地址
[Huawei]ip relay address cycle //配置DHCP中继的轮询功能
[Huawei]dhcp server group a1
[Huawei-dhcp-server-group-a1]dhcp-server 10.1.1.100
[Huawei-dhcp-server-group-a1]gateway 10.1.1.10
[Huawei-dhcp-server-group-a1]vpn-instance b1
[Huawei-GigabitEthernet0/0/2]dhcp relay server-select a1 //配置接口应用的DHCP服务器组
[Huawei]dhcp relay trust option82 //使能DHCP中继信任Option82选项功能
[Huawei-GigabitEthernet0/0/2]dhcp option82 insert enable //配置在DHCP报文中添加Option82选项功能, DHCP报文中如果没有携带Option82选项，则插入Option82选项；如果携带了Option82选项，则判断Option82选项中是否包含remote-id，如果包含，则保持Option82选项不变，如果不包含，则插入remote-id
[Huawei-GigabitEthernet0/0/2]dhcp option8 rebuild enable //配置在DHCP报文中添加Option82选项功能, DHCP报文中如果没有携带Option82选项，则插入Option82选项；如果携带了Option82选项，则删除该Option82选项并插入已经配置的Option82选项
[Huawei-vlan10]dhcp option82 insert enable
[Huawei-vlan10]dhcp option82 rebuild enable
[Huawei]display dhcp relay all //查看中继接口配置的DHCP服务器组或服务器信息
[Huawei]display dhcp server group a1 //查看DHCP服务器组的配置信息
[Huawei-GigabitEthernet0/0/1]ip add dhcp-alloc //开启DHCP Client功能
[Huawei]dhcp client class-id 12 //配置DHCP客户端发送DHCP请求报文中的Option60字段
[Huawei-GigabitEthernet0/0/1]dhcp client hostname c1 //配置DHCP客户端的主机名
[Huawei-GigabitEthernet0/0/1]dhcp client client-id 1-2-3 //配置DHCP客户端的标识,缺省是客户端的MAC地址
[Huawei-GigabitEthernet0/0/1]dhcp client expected-lease 60 //，配置DHCP客户端的期望租期,缺省未配置
[Huawei-GigabitEthernet0/0/1]dhcp client gateway-detect period 1 retransmit 1 timeout 1 //配置DHCP客户端网关探测功能,缺省未配置
[Huawei]ip route 10.1.1.10 24 GigabitEthernet 0/0/1 dhcp //配置DHCP客户端通过DHCP方式获取路由表项
[Huawei-GigabitEthernet0/0/1]dhcp client default-route preference 60 //配置DHCP客户端通过DHCP服务器获取的缺省路由优先级,缺省为60
[Huawei]display dhcp client //查看DHCP客户端的状态信息
[Huawei-GigabitEthernet0/0/2]ip address bootp-alloc //使能BOOTP客户端功能
[Huawei-GigabitEthernet0/0/2]dhcp client hostname b1 //配置BOOTP客户端的主机名
[Huawei-GigabitEthernet0/0/2]dhcp client client-id 10.1.1.1 //配置客户端的标识,缺省是客户端的MAC地址
[Huawei-GigabitEthernet0/0/2]dhcp client gateway-detect period 1 retransmit 1 timeout 1 //配置BOOTP客户端网关探测功能
[Huawei]ip route 10.1.1.10 24 g0/0/1 dhcp //配置BOOTP客户端通过DHCP方式获取路由表项
[Huawei-GigabitEthernet0/0/2]dhcp client default-route preference 60 //配置DHCP客户端通过DHCP服务器获取的缺省路由优先级,缺省为60
[Huawei]display dhcp client //查看DHCP客户端的状态信息
[Huawei]display dhcp server statistics //查看设备作为DHCP Server接收和发送DHCP报文的统计信息
[Huawei]display dhcp relay statistics //查看设备作为DHCP Relay接收和发送DHCP报文的统计信息
[Huawei]display dhcp client statistics //查看设备作为DHCP Client接收和发送DHCP报文的统计信息
[Huawei]display dhcp statistics //查看设备接收和发送DHCP报文的统计信息
reset dhcp server statistics //清除设备作为DHCP服务器接收和发送DHCP报文的统计信息
reset dhcp relay statistics //清除设备作为DHCP中继接收和发送DHCP报文的统计信息
reset dhcp client statistics //清除设备作为DHCP客户端接收和发送DHCP报文的统计信息
reset dhcp statistics //清除设备接收和发送DHCP报文的统计信息
reset ip pool interface g0/0/1 all //复位接口上已经配置的DHCP地址池
reset ip pool name a1 all //复位全局配置的DHCP地址池
[Huawei-GigabitEthernet0/0/1]dhcp relay release 10.1.1.10 1234-2345-5678 //向DHCP服务器申请释放DHCP客户端已经获取到的IP地址
[Huawei-ip-pool-a1]lock //锁定DHCP地址池
[Huawei-vlan10]dhcp policy-vlan mac-address 1-2-3 //配置基于MAC地址的DHCP策略VLAN
[Huawei-vlan10]dhcp policy-vlan port GigabitEthernet 0/0/1 //配置基于接口的DHCP策略VLAN
[Huawei-vlan10]dhcp policy-vlan generic //配置普通DHCP策略VLAN
[Huawei]display current-configuration | include dhcp policy-vlan //查看DHCP策略VLAN的相关配置
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