文章目錄

• 前言
• 一：實(shí)驗(yàn)環(huán)境
• 1.1:基本原理
• 1.2：實(shí)驗(yàn)?zāi)康?/li>
• 1.3 華為DHCP實(shí)驗(yàn)拓?fù)鋱D
• 二：實(shí)驗(yàn)過程
• 2.1：交換機(jī)sw1設(shè)置
• 2.2路由器R1
• 2.3 路由器R3
• 2.4路由器R2
• 三：實(shí)驗(yàn)結(jié)果

前言

DHCP(Dynamic Host Configuration Protocol，動(dòng)態(tài)主機(jī)配置協(xié)議)是一個(gè)局域網(wǎng)的網(wǎng)絡(luò)協(xié)議，使用UDP協(xié)議工作， 主要有兩個(gè)用途:給內(nèi)部網(wǎng)絡(luò)或網(wǎng)絡(luò)服務(wù)供應(yīng)商自動(dòng)分配IP地址，給用戶或者內(nèi)部網(wǎng)絡(luò)管理員作為對(duì)所有計(jì)算機(jī)作中央管理的手段

一：實(shí)驗(yàn)環(huán)境

1.1:基本原理

? # 第一步：客戶端通過廣播發(fā)送DHCP Discover 報(bào)文尋找服務(wù)器端

? # 第二步：服務(wù)器通過單播發(fā)送dhcp向客戶端提供ip地址

? # 第三步：客戶端通過廣播DHCP Request 報(bào)文告知服務(wù)器端本地選擇IP

? # 第四步 ：服務(wù)器通過DHCP Ack報(bào)文告知客戶端IP地址是合法可用的

1.2：實(shí)驗(yàn)?zāi)康?/h1>

? 通過路由器DHCP自動(dòng)分配地址

? 實(shí)現(xiàn)不同vlan 主機(jī)之間互聯(lián)互通

1.3 華為DHCP實(shí)驗(yàn)拓?fù)鋱D

二：實(shí)驗(yàn)過程

2.1：交換機(jī)sw1設(shè)置

<Huawei>sys Enter system view, return user view with Ctrl+Z.[Huawei]sysname SW1[SW1]V B 10 20 Info: This operation may take a few seconds. Please wait for a moment...done. [SW1]int e0/0/1 [SW1-Ethernet0/0/1]p l a [SW1-Ethernet0/0/1]p d v 10 [SW1-Ethernet0/0/1]un sh Info: Interface Ethernet0/0/1 is not shutdown. [SW1]int e0/0/2 [SW1-Ethernet0/0/2]p l a [SW1-Ethernet0/0/2]p d v 20 [SW1-Ethernet0/0/2]un sh Info: Interface Ethernet0/0/2 is not shutdown. [SW1]int e0/0/3 [SW1-Ethernet0/0/3]p l a [SW1-Ethernet0/0/3]p d v 10 [SW1-Ethernet0/0/3]un sh Info: Interface Ethernet0/0/3 is not shutdown. [SW1]int e0/0/4 [SW1-Ethernet0/0/4]p l a [SW1-Ethernet0/0/4]p d v 20 [SW1-Ethernet0/0/4]un sh Info: Interface Ethernet0/0/4 is not shutdown. [SW1]int g0/0/1 [SW1-GigabitEthernet0/0/1]p l t [SW1-GigabitEthernet0/0/1]p t a v a [SW1-GigabitEthernet0/0/1]un sh Info: Interface GigabitEthernet0/0/1 is not shutdown.

2.2路由器R1

[R1]dhcp enable Info: The operation may take a few seconds. Please wait for a moment.done. <Huawei>sys Enter system view, return user view with Ctrl+Z. [Huawei]sysname R1 [R1]int g0/0/1.1 [R1-GigabitEthernet0/0/1.1]dot1q termination vid 10 [R1-GigabitEthernet0/0/1.1]ip add 192.168.10.1 24 [R1-GigabitEthernet0/0/1.1]a b e [R1-GigabitEthernet0/0/1.1]dhcp select relay [R1-GigabitEthernet0/0/1.1]dhcp relay server-ip 13.0.0.2 [R1-GigabitEthernet0/0/1.1]un sh Info: Interface GigabitEthernet0/0/1.1 is not shutdown. [R1]int g0/0/1.2 [R1-GigabitEthernet0/0/1.2] [R1-GigabitEthernet0/0/1.2]dot1q termination vid 20 [R1-GigabitEthernet0/0/1.2]ip add 192.168.20.1 24 [R1-GigabitEthernet0/0/1.2]arp broadcast enable [R1-GigabitEthernet0/0/1.2]dhcp select relay [R1-GigabitEthernet0/0/1.2]dhcp relay server-ip 13.0.0.2 [R1-GigabitEthernet0/0/1.2]un sh Info: Interface GigabitEthernet0/0/1.2 is not shutdown. R1]ip route-static 15.0.0.1 24 12.0.0.2

2.3 路由器R3

<Huawei>sys Enter system view, return user view with Ctrl+Z. [Huawei]sysn [Huawei]sysname R3 [R3]int g0/0/2 [R3-GigabitEthernet0/0/2]ip add 13.0.0.2 24 [R3-GigabitEthernet0/0/2]un sh Info: Interface GigabitEthernet0/0/2 is not shutdown. [R3]ip pool 15 [R3-ip-pool-15]gateway-list 15.0.0.1 [R3-ip-pool-15]network 15.0.0.0 mask 24 [R3-ip-pool-15]dns-list 8.8.8.8 2.2.2.2 [R3]ip pool v10 [R3-ip-pool-v10]network 192.168.10.0 mask 24 [R3-ip-pool-v10]gateway-list 192.168.10.1 [R3-ip-pool-v10]dns-list 8.8.8.8 2.2.2.2 [R3]ip pool v20 [R3-ip-pool-v20]network 192.168.20.0 mask 24 [R3-ip-pool-v20]gateway-list 192.168.20.1 [R3-GigabitEthernet0/0/2]dhcp select global [R3-GigabitEthernet0/0/2]un sh Info: Interface GigabitEthernet0/0/2 is not shutdown. [R3]ip route-static 0.0.0.0 0.0.0.0 14.0.0.1

2.4路由器R2

<Huawei>sys [Huawei]sysname R2 [R2-GigabitEthernet0/0/0]ip add 12.0.0.2 24 [R2-GigabitEthernet0/0/0]UN SH Info: Interface GigabitEthernet0/0/0 is not shutdown. R2-GigabitEthernet0/0/0]int g0/0/1 [R2-GigabitEthernet0/0/1]ip add 15.0.0.1 24 [R2-GigabitEthernet0/0/1]un sh [R2-GigabitEthernet0/0/1]dhcp select global [R2-GigabitEthernet0/0/1]dhcp relay server-ip 14.0.0.2 [R2]ip route-static 14.0.0.0 255.255.255.0 12.0.0.1 [R2]ip route-static 192.168.10.0 255.255.255.0 12.0.0.1 [R2]ip route-static 192.168.20.0 255.255.255.0 12.0.0.1

三：實(shí)驗(yàn)結(jié)果

dhcp分配給每人客戶機(jī)地址并全網(wǎng)通

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