渣渣兔 发表于 2022-12-5 03:53:12

HCIA学习笔记四十七:HDLC&PPP原理及配置

一、串行链路的数据传输方式

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008171845959-1567182949.png
二、HDLC

2.1、HDLC协议应用

• High-level Data Link Control,高级数据链路控制,简称HDLC,是一种面向比特的链路层协议。
 
https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172108489-953408818.png
2.2、HDLC基本配置

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172152429-868872792.png
三、PPP

3.1、PPP协议应用

• PPP协议是一种点到点链路层协议,主要用于在全双工的同异步链路上进行点到点的数据传输。
https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172243728-1362295496.png
3.2、PPP组件

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172318919-438122783.png
3.3、PPP链路建立过程

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172429171-1524897623.png
3.4、PPP帧格式

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172539347-1195228635.png
四、LCP

4.1、LCP报文

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172613921-281754738.png
4.2、LCP协商参数

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172652045-1236581066.png
4.3、LCP链路参数协商

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172747105-1049920909.png
4.4、LCP链路参数协商

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172849711-1556274541.png
https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008172940243-2042724973.png
五、PPP-PAP配置

5.1、PPP基本配置

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008173101843-1298811666.png
5.2、PPP认证模式-PAP

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008173158320-506007452.png
5.3、PAP认证

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008173252690-1745769598.png
5.4、配置验证

https://img2022.cnblogs.com/blog/1227623/202210/1227623-20221008173330359-1291857527.png
六、PPP-PAP实验

6.1、拓扑图

• 分别在路由器中拖出2台AR2220。
https://img2023.cnblogs.com/blog/1227623/202212/1227623-20221204220513859-71423140.png
• 分别对着路由器AR1和AR2右键,点击设置,在eNSP支持的接口卡中找到2SA,并将其拖至第1个接口插槽中。
https://img2023.cnblogs.com/blog/1227623/202212/1227623-20221204215649108-557105520.png
• 选择设备连线,点击Serial进行设备接线,接口都选择Serial 1/0/0,完成后开启设备。
6.2、配置

AR1:
<Huawei>system-view
sysname AR1
int s1/0/0
ip add 12.1.1.1 24

display this

q
aaa
local-user huawei password cipher huawei
local-user huawei service-type ppp
int s1/0/0

link-protocol ?

ppp authentication-mode pap
q
   
display ip int briefAR2:
<Huawei>system-view
sysname AR2
int s1/0/0
ip add 12.1.1.2 24

dis ip int bri

ppp pap local-user huawei password cipher huawei
q

display ip interface brief<br>display int s1/0/0<br> 

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