### 1、IPv6数据报格式

- 省略了首部校验和字段，路由器不在计算校验和，提高了转发效率

![image-20230709154838006](https://blog-heysq-1255479807.cos.ap-beijing.myqcloud.com/blog/note/image-20230709154838006.png)

### 2、特殊IPv6地址

![image-20230716172648406](https://blog-heysq-1255479807.cos.ap-beijing.myqcloud.com/blog/note/image-20230716172648406.png)