S .. . ..

. . . 资 料. . 目 录

1 序、 ................................................................................................................................................................................................... 2

1.1 协议的概念 ................................................................................................................................................................................... 2

1.2 TCP/IP体系结构 ......................................................................................................................................................................... 2

2 链路层协议报文格式................................................................................................................................................................... 2

2.1 Ethernet报文格式 ...................................................................................................................................................................... 2

2.2 802.1q VLAN数据帧(4字节）............................................................................................................................................... 2

2.3 QinQ帧格式 ................................................................................................................................................................................. 2

2.4 PPP帧格式 .................................................................................................................................................................................... 2

2.5 STP协议格式 ............................................................................................................................................................................... 2

2.5.1 语法 .................................................................................................................................................................................... 2

2.5.2 语义 .................................................................................................................................................................................... 2

2.5.3 时序 .................................................................................................................................................................................... 2

2.6 RSTP消息格式 ............................................................................................................................................................................. 2

2.6.1 语法 .................................................................................................................................................................................... 2

2.6.2 语义 .................................................................................................................................................................................... 2

2.6.3 时序 .................................................................................................................................................................................... 2

3 网络层协议报文 ............................................................................................................................................................................ 2

3.1 IP报文头 ........................................................................................................................................................................................ 2

3.2 ARP协议报文 ............................................................................................................................................................................... 2

3.2.1 语法 .................................................................................................................................................................................... 2

3.2.2 语义 .................................................................................................................................................................................... 2

3.2.3 时序 .................................................................................................................................................................................... 2

3.3 VRRP协议报文 ............................................................................................................................................................................ 2

3.3.1 语法 .................................................................................................................................................................................... 2

3.4 BGP协议报文 .............................................................................................................................................................................. 2

3.4.1 语法 .................................................................................................................................................................................... 2

3.4.2 语义 .................................................................................................................................................................................... 2