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Questions tagged [ethernet]

Ethernet is a set of networking technologies widely used to interconnect computers.

Ethernet is a set of networking technologies widely used to interconnect computers at the physical (layer 1) and link (layer 2) levels. The capability of Ethernet has matured to the point where it is used for both basic desktop computer networking and for carrier-grade networks where operators must guarantee quality of service.

More information at http://en.wikipedia.org/wiki/Ethernet

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Communicationg with NDIS on WinXP/7

There is device connected to PC via 1Gbit Ethernet. WinXP/7 I want to capture data in the following way: PC sends command to devices (initiate data acquisition) Device is sending data to PC User application waits for acquisition Driver saves data…
zulunation
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Send/retrive RAW ethernet frames (ARP request) in objective-C on OSX

is it possible to send/retrive ARP frames in Objective-C ? I want to check avaiability of several devices in the local network from the code by ARP requests. I think that it is only way to do that because the ICMP may be diabled, and not all of the…
maseth
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Receiving an Ethernet packet in sk_buff

I'm writing a kernel module that receives Ethernet packets for Linux 2.6.31 and I'd like to extract contents of Ethernet packets from a pointer to struct sk_buff that is passed to func function of struct packet_type, which is registered by…
Pteromys
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Embedded Linux Ethernet over USB RNDIS works fine for WinXP but not Win7

I am using the Linux driver g_ether to communicate Ethernet over USB for an embedded Linux device. The package dnsmasq is running on the embedded device and is configured to provide DHCP service to whatever PC is connected to the board via USB.…
PhilBot
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Adobe AIR Interface Name Format

Using this code: results = NetworkInfo.networkInfo.findInterfaces(); for (var i:int =0; i
Frank
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How identify the next layer protocol after Ethernet

How will you identify the next layer protocol after Ethernet ? IS there any provision for same in Ethernet frame ?
Amit Singh Tomar
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What is the minimum and maximum size of an Ethernet frame with split up

How do I calculated the minimum and maximum size of an Ethernet frame with split up.We all know maximum size for Ehternet frame is 1518bytes but would be the with split up?
Amit Singh Tomar
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Get an Arduino and Android phone to communicate over the web

I am writing an Android application to communicate with my Arduino over the web. The Arduino is running a web server through an Ethernet shield. I am attaching my code, but I will explain it here so you will understand what I am trying to do. The…
Saleem
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Check feed for updates

I created a thingspeak channel (feed) which monitors Twitter streaming API. My feed gets updated once a new tweet is sent out with matching criteria I've set. I working on writing an Arduino sketch which sets pin 13 high for one second when my feed…
Justjoe
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Determine which adapter caused NetworkChange events to fire

I'm trying to write a service that will report back what adapter changed, when the events NetworkChange.NetworkAvailabilityChanged or NetworkChange.NetworkAddressChanged fire. Every example I've found so far, show how to enumerate the nics, but not…
CosmicFreddy
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Multiple Protocols for the same Interface

Is it possible to have several sockets linked to one interface (i.e. ethernet port) with different protocols, UDP, TCP, RAW etc, so if a packet is sent via ethernet it is picked up by the correct socket only.
Steven Fisher
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Arduino Ethernet

I want to send data collected by a sensor to a web server created by me with Java. For example, I want to send a simple integer, 1 for example when the temperature of a sensor exceeds a threshold as the first test, but I can not know how. I managed…
user1480832
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How can I speed up packet capturing and packet send with jpcap

DSP send raw ethernet packets to PC than PC capturing these packets and send ack response. They are messaging MAC to MAC so there are no ip layer. I want to make real-time messaging in every 1ms. DSP send message every 1 milisecond but PC can not…
Leo Eroz
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issues in Cisco 2960

I can get the switch status by using oid : .1.3.6.1.2.1.2.2.1.8 This displays all the ports with status up or down. However, I want an oid to check the particular port, e.g. to check whether the 5th port is up or down. Also, I want an oid to get…
Rohith
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Using python to send a single int over ethernet

I need to make a server that recieves and sends single integers using tcp. Socketserver gives me a TypeError if i try to do this. Is there an alternative or do i need to write a server from scratch?
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