做细分行业信息网站,改革开放40周年网站发展建设,windows 2008 wordpress,网站集约化建设规范DHCP: 动态主机配置协议 -- 同一分发管理ip地址 基于UDP 67/68端口工作 网络中存在DHCP的服务器为需要自动生成ip地址的设备分配ip地址#xff1b;--C/S模型 成为DHCP服务器的条件#xff1a; 该设备存在接口或网卡连接到所要分发ip地址的广播域内该接口或网卡必须已经配置…DHCP: 动态主机配置协议 -- 同一分发管理ip地址 基于UDP 67/68端口工作 网络中存在DHCP的服务器为需要自动生成ip地址的设备分配ip地址--C/S模型 成为DHCP服务器的条件 该设备存在接口或网卡连接到所要分发ip地址的广播域内该接口或网卡必须已经配置合法ip地址且可以正常通讯 第一步[Huawei]dhcp enable 先开启设备的dhcp服务一台设备上可以创建多个池塘但一个池塘只能服务一个广播域第二步[Huawei]ip pool wangcai 创建名为wangcai的dhcp池塘第三步[Huawei-ip-pool-wangcai]network 192.168.1.0 mask 24 绑定接口第四步[Huawei-ip-pool-wangcai]gateway-list 192.168.1.1 该网段网关地址第五步[Huawei-ip-pool-wangcai]dns-list 192.168.2.11 114.114.114.114 DNS服务器地址第六步[Huawei]interface Eth0/0/0[Huawei-Ethernet0/0/0]dhcp select global 切记最后还需要在路由器进行地址分配的接口上再单独开启dhcp服务 客户端基于UDP源端口68目标端口67进行广播请求 -- 源ip-0.0.0.0无效地址代表本地无地址目255.255.255.255 服务器在收到客户端的请求后回复提议-- 源端口67目标68源ip-本地地址目标ip255.255.255.255华为设备的目标ip为计划分配给客户端的ip --- 主要还是靠目标的MAC地址来将提议发送给客户 客户端在收到提议后若确定使用该ip将应答服务端服务端最终ack确认后该ip地址才可以被真正的使用 注过程中服务端与客户端均会使用ARP来进行地址冲突检测确认该地址唯一时才进行分配和使用 dhcp抓包过程; [Huawei-ip-pool-a]excluded-ip-address 192.168.1.10 192.168.1.20 排除地址 -- 该池塘不能分配的ip地址
[Huawei-ip-pool-a]lease day 0 hour 0 minute 30 修改租期默认24小时 实验部分 [Huawei-ip-pool-a]display current-configuration
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sysname Huawei
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dhcp enable
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ip pool bgateway-list 192.168.2.1network 192.168.2.0 mask 255.255.255.0dns-list 192.168.1.2
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ip pool agateway-list 192.168.1.1network 192.168.1.0 mask 255.255.255.0dns-list 192.168.1.2
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aaaauthentication-scheme defaultauthorization-scheme defaultaccounting-scheme defaultdomain defaultdomain default_adminlocal-user admin password cipher OOCM4m($F4ajUn1vMEIBNUw#local-user admin service-type http
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firewall zone Localpriority 16
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interface Ethernet0/0/0ip address 192.168.1.1 255.255.255.0dhcp select global
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interface Ethernet0/0/1ip address 192.168.2.1 255.255.255.0dhcp select global[Huawei-ip-pool-a]dis ip interface brief
*down: administratively down
!down: FIB overload down
^down: standby
(l): loopback
(s): spoofing
(d): Dampening Suppressed
The number of interface that is UP in Physical is 3
The number of interface that is DOWN in Physical is 8
The number of interface that is UP in Protocol is 3
The number of interface that is DOWN in Protocol is 8Interface IP Address/Mask Physical Protocol
Ethernet0/0/0 192.168.1.1/24 up up
Ethernet0/0/1 192.168.2.1/24 up up
GigabitEthernet0/0/0 unassigned down down
GigabitEthernet0/0/1 unassigned down down
GigabitEthernet0/0/2 unassigned down down
GigabitEthernet0/0/3 unassigned down down
NULL0 unassigned up up(s)
Serial0/0/0 unassigned down down
Serial0/0/1 unassigned down down
Serial0/0/2 unassigned down down
Serial0/0/3 unassigned down down
[Huawei-ip-pool-a]
PCipconfigLink local IPv6 address...........: fe80::5689:98ff:fe4a:742d
IPv6 address......................: :: / 128
IPv6 gateway......................: ::
IPv4 address......................: 192.168.1.254
Subnet mask.......................: 255.255.255.0
Gateway...........................: 192.168.1.1
Physical address..................: 54-89-98-4A-74-2D
DNS server........................: 192.168.1.2
Link local IPv6 address...........: fe80::5689:98ff:fe97:2d3f
IPv6 address......................: :: / 128
IPv6 gateway......................: ::
IPv4 address......................: 192.168.2.254
Subnet mask.......................: 255.255.255.0
Gateway...........................: 192.168.2.1
Physical address..................: 54-89-98-97-2D-3F
DNS server........................: 192.168.1.2
