然后该数据帧会被网络驱动程序分解,IP报文将通过网络协议栈,最后传送到应用程序那里。 从这里我们可以看出以太数据帧头包含了MAC地址与帧类型,这正是我们需要的,所以我们便要开始对以太帧头进行解析,这就涉及另一个重要的数据类型struct ether_header; 其中重要的数据信息有: u_charether_dhost[ETHER_ADDR_LEN];/...
以太网MAC帧格式在Linux中,以太网帧头部的结构体如下:/10Mb/sethernetheader/structether_header{u_int8_tether_dhost[ETH_ALEN];/destinationethaddr/u_int8_tether_shost[ETH_ALEN];/sourceetheraddr/u_int16_tether_type;/packettypeIDfield/}__attribute__((__packed__));其中的ETH_ALEN为6,因为地址为...
#definehcons(A)(((WORD)(A)&0xFF00)>>8)|(((WORD)(A)&0x00FF)<<8)// 输出 数据链路层voidPrintEtherHeader(constu_char*packetData){typedef struct ether_header{u_char ether_dhost[6];// 目标地址u_char ether_shost[6];// 源地址u_short ether_type;// 以太网类型}ether_header;struct ...
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pyconfig.h.in pythongh-95389: expose popular ETHERTYPE_* constants in the socket mo… Nov 7, 2022 Repository files navigation README License Security This is Python version 3.12.0 alpha 2Copyright © 2001-2022 Python Software Foundation. All rights reserved.See...
Use this command in situations where the peer device is not capable of receiving SGT over Ethernet packets (that is, when a peer device does not support Cisco Ethertype CMD 0x8909 frame format). Step 6 policy static sgt tag [trusted] Ex...
The SVIs may be Layer 3 interfaces to VLANs, physical Layer 3 interfaces, or Layer 3 EtherChannel interfaces. (LAN Base image for Catalyst 2960-C and 2960-S switches; IP Base image for Catalyst 3560-C switch) Support for configuring static IPv6 routes in the routing ta...
cpio: Bad magic number/header. Cause Acpio(1)archive has either become corrupted or was written out with an incompatible version ofcpio(1). Action Use the-koption tocpio(1)to skip I/O errors and corrupted file headers. This might permit you to extract other files from thecpio(1)archive...