網絡知識梳理(第二節)

時間 2020-05-11

原文原文鏈接

IP地址及網絡層協議
1.ip地址網絡

IP地址標識一臺網絡設備,32爲二進制組成,點分十進制表示.

子網掩碼
·```
使用掩碼來區分網絡部分和主機部分
掩碼使用IP地址同樣ide

![](https://s4.51cto.com/images/blog/202004/19/c5828668a5d96c2a35c68701f3497f35.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

***進制轉換***
![](https://s4.51cto.com/images/blog/202004/19/934abe47b4a7e8ce5b89b97516d5ed9c.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

![](https://s4.51cto.com/images/blog/202004/19/a4c7519f731f64ab64f48151f7d1a3c9.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

***子網劃分***
![](https://s4.51cto.com/images/blog/202004/19/194118f5953a9241bbdfd3ea80f90dad.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

![](https://s4.51cto.com/images/blog/202004/19/9d9b83b0ef575869eab9eea53159825f.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

***數據鏈路層通訊***
![ARP](https://s4.51cto.com/images/blog/202004/19/fc40b662769787b896eda57267bbf229.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

![RARP](https://s4.51cto.com/images/blog/202004/19/d8ef757be18c35110958242452877efe.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

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