ethernet

问题 I'm currently working on Arduino. I'm working for Lamp using Atmega1284. I saw an example code, ModbusIP_ENC28J60 -> Lamp. I first compiled it without adding anything, it compiled properly. Now, I'm adding WebSocketServer, since I want this to work on websocket too. I added few necessary lines, but I ended up with this error: error: 'EthernetClass Ethernet' redeclared as different kind of symbol I don't understand what's wrong with the code or what I should change. Can someone help me with

问题 I was learning about spoofing attacks and now confused on IP and MAC addreses. I learned that every packets(TCP, ICMP, etc..) send from a computer have an Ethernet header which contain mac address of source and destination (Hope I'm right). Is mac address have anything to do with a computer to accept or reject a packet coming over internet? For example consider a situation: I'm sending a spoofed packet (an HTTP GET request) with my target's ip address as IP source and port 12345, to google

问题 Is it possible to get sensor output from Arduino via Ethernet connection and to send data to Arduino via Ethernet? So basically can "replace" serial port with Ethernet port? 回答1: The typical way to do this is with an Arduino Ethernet shield, a small hardware module that plugs into your Arduino board: http://arduino.cc/en/Main/ArduinoEthernetShield Updated: One very common approach for client to server communication would be to use HTTP over TCP/IP. See this example on the Ardunio site of a

问题 I've got two PCs connected by LAN. When the user alters the time (via my application) on one, I'd like the time on the second to be updated too (or the second machine could poll the first). There's no server, no internet. What's the best way to do this? OS: XP embedded. Framework: .Net 3.5 回答1: If you can't use NTP server you have to write it by yourself. The two application both implements a WCF service and are one client of the other; The application that have its local time modified

问题 For an academic network application, I'd like to set up an RSA key exchange between 2 virtual machines. I am using Crypto++ to generate the RSA::PublicKey , and I must now send it within a custom layer-2 frame (the packet will be crafted with libcrafter). The thing is, I have no idea of how write the key in the network , such as the receiver, sniffing the packet, is able to re-build, somehow, the RSA::PublicKey . I tried to save it raw in a string, but as they say here, the PublicKey class

问题 i have looked at many places, tried a ton of things but nothing to seem to work for me somehow. Can anyone please help me here. I have a simple url that i want to hit without opening the browser in mobile phones. I am clicking a button and that url needs to get hit, without the browser getting opened. I am not concerned with what is on that page i just want to load it. I basically need it for my arduino cum ethernet shield IOT project, wherein i am controlling my appliances with my android

问题 I was wondering what would be the best choice and way to build an ethernet bridge using NDIS 6.x. Where should I start and which one should I use for this, Miniport, IM, protocol or filter driver? Tried to customize the protocol driver sample available in WDK and successfully got attached to the ethernet adapters. What next? Any help is much appreciated. Using Windows 7x64 回答1: Let's look at the NDIS driver types that are available: miniports, lightweight filters, and protocols. An NDIS

问题 Using ioctl interface various info can be fetched. How do you get extra info like product name, class, vendor name, subsystem name etc? There are couple of command line tools available such as: 1. lshw -C network 2. detecting nic and ports on systems loaded with linux You can start a process and get the result but Is there any raw c/c++ method to get above mentioned information? Cheers Prashant 回答1: All the information you seek is in /sys/bus/pci/devices/*/* : class device driver modalias

问题 I'm trying to create a TCP/IP connection with a device that is running embedded linux, I'm using from android the USB tethering to have a ethernet connection between the Android device and the Embedded Linux device, I modified the embedded linux device to support RNDIS device driver. The Android and the embedded linux device are working correctly, a ethernet conection was established succesfully, I can ping from embedded linux to android device and viceversa. On my android application I

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I've been scouring the web to see how I can program to utilize two separate ethernet ports (such as eth0 and eth1) in linux using C/C++ I understand how to use socket() and inet_pton but this seems to be only for